June 2019 - Linux-stable-mirror

[patch 06/16] fs/ocfs2: fix race in ocfs2_dentry_attach_lock()

by akpm＠linux-foundation.org

From: Wengang Wang <wen.gang.wang(a)oracle.com> Subject: fs/ocfs2: fix race in ocfs2_dentry_attach_lock() ocfs2_dentry_attach_lock() can be executed in parallel threads against the same dentry. Make that race safe. The race is like this: thread A thread B (A1) enter ocfs2_dentry_attach_lock, seeing dentry->d_fsdata is NULL, and no alias found by ocfs2_find_local_alias, so kmalloc a new ocfs2_dentry_lock structure to local variable "dl", dl1 ..... (B1) enter ocfs2_dentry_attach_lock, seeing dentry->d_fsdata is NULL, and no alias found by ocfs2_find_local_alias so kmalloc a new ocfs2_dentry_lock structure to local variable "dl", dl2. ...... (A2) set dentry->d_fsdata with dl1, call ocfs2_dentry_lock() and increase dl1->dl_lockres.l_ro_holders to 1 on success. ...... (B2) set dentry->d_fsdata with dl2 call ocfs2_dentry_lock() and increase dl2->dl_lockres.l_ro_holders to 1 on success. ...... (A3) call ocfs2_dentry_unlock() and decrease dl2->dl_lockres.l_ro_holders to 0 on success. .... (B3) call ocfs2_dentry_unlock(), decreasing dl2->dl_lockres.l_ro_holders, but see it's zero now, panic Link: http://lkml.kernel.org/r/20190529174636.22364-1-wen.gang.wang@oracle.com Signed-off-by: Wengang Wang <wen.gang.wang(a)oracle.com> Reported-by: Daniel Sobe <daniel.sobe(a)nxp.com> Tested-by: Daniel Sobe <daniel.sobe(a)nxp.com> Reviewed-by: Changwei Ge <gechangwei(a)live.cn> Reviewed-by: Joseph Qi <joseph.qi(a)linux.alibaba.com> Cc: Mark Fasheh <mark(a)fasheh.com> Cc: Joel Becker <jlbec(a)evilplan.org> Cc: Junxiao Bi <junxiao.bi(a)oracle.com> Cc: Gang He <ghe(a)suse.com> Cc: Jun Piao <piaojun(a)huawei.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- fs/ocfs2/dcache.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) --- a/fs/ocfs2/dcache.c~fs-ocfs2-fix-race-in-ocfs2_dentry_attach_lock +++ a/fs/ocfs2/dcache.c @@ -296,6 +296,18 @@ int ocfs2_dentry_attach_lock(struct dent out_attach: spin_lock(&dentry_attach_lock); + if (unlikely(dentry->d_fsdata && !alias)) { + /* d_fsdata is set by a racing thread which is doing + * the same thing as this thread is doing. Leave the racing + * thread going ahead and we return here. + */ + spin_unlock(&dentry_attach_lock); + iput(dl->dl_inode); + ocfs2_lock_res_free(&dl->dl_lockres); + kfree(dl); + return 0; + } + dentry->d_fsdata = dl; dl->dl_count++; spin_unlock(&dentry_attach_lock); _

5 years, 12 months

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[patch 02/16] mm/list_lru.c: fix memory leak in __memcg_init_list_lru_node

by akpm＠linux-foundation.org

From: Shakeel Butt <shakeelb(a)google.com> Subject: mm/list_lru.c: fix memory leak in __memcg_init_list_lru_node Syzbot reported following memory leak: ffffffffda RBX: 0000000000000003 RCX: 0000000000441f79 BUG: memory leak unreferenced object 0xffff888114f26040 (size 32): comm "syz-executor626", pid 7056, jiffies 4294948701 (age 39.410s) hex dump (first 32 bytes): 40 60 f2 14 81 88 ff ff 40 60 f2 14 81 88 ff ff @`......@`...... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000018f36b56>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<0000000018f36b56>] slab_post_alloc_hook mm/slab.h:439 [inline] [<0000000018f36b56>] slab_alloc mm/slab.c:3326 [inline] [<0000000018f36b56>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<0000000055b9a1a5>] kmalloc include/linux/slab.h:547 [inline] [<0000000055b9a1a5>] __memcg_init_list_lru_node+0x58/0xf0 mm/list_lru.c:352 [<000000001356631d>] memcg_init_list_lru_node mm/list_lru.c:375 [inline] [<000000001356631d>] memcg_init_list_lru mm/list_lru.c:459 [inline] [<000000001356631d>] __list_lru_init+0x193/0x2a0 mm/list_lru.c:626 [<00000000ce062da3>] alloc_super+0x2e0/0x310 fs/super.c:269 [<000000009023adcf>] sget_userns+0x94/0x2a0 fs/super.c:609 [<0000000052182cd8>] sget+0x8d/0xb0 fs/super.c:660 [<0000000006c24238>] mount_nodev+0x31/0xb0 fs/super.c:1387 [<0000000006016a76>] fuse_mount+0x2d/0x40 fs/fuse/inode.c:1236 [<000000009a61ec1d>] legacy_get_tree+0x27/0x80 fs/fs_context.c:661 [<0000000096cd9ef8>] vfs_get_tree+0x2e/0x120 fs/super.c:1476 [<000000005b8f472d>] do_new_mount fs/namespace.c:2790 [inline] [<000000005b8f472d>] do_mount+0x932/0xc50 fs/namespace.c:3110 [<00000000afb009b4>] ksys_mount+0xab/0x120 fs/namespace.c:3319 [<0000000018f8c8ee>] __do_sys_mount fs/namespace.c:3333 [inline] [<0000000018f8c8ee>] __se_sys_mount fs/namespace.c:3330 [inline] [<0000000018f8c8ee>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3330 [<00000000f42066da>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<0000000043d74ca0>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 This is a simple off by one bug on the error path. Link: http://lkml.kernel.org/r/20190528043202.99980-1-shakeelb@google.com Fixes: 60d3fd32a7a9 ("list_lru: introduce per-memcg lists") Reported-by: syzbot+f90a420dfe2b1b03cb2c(a)syzkaller.appspotmail.com Signed-off-by: Shakeel Butt <shakeelb(a)google.com> Acked-by: Michal Hocko <mhocko(a)suse.com> Reviewed-by: Kirill Tkhai <ktkhai(a)virtuozzo.com> Cc: <stable(a)vger.kernel.org> [4.0+] Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- mm/list_lru.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/list_lru.c~list_lru-fix-memory-leak-in-__memcg_init_list_lru_node +++ a/mm/list_lru.c @@ -354,7 +354,7 @@ static int __memcg_init_list_lru_node(st } return 0; fail: - __memcg_destroy_list_lru_node(memcg_lrus, begin, i - 1); + __memcg_destroy_list_lru_node(memcg_lrus, begin, i); return -ENOMEM; } _

5 years, 12 months

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stable-rc/linux-4.14.y boot: 116 boots: 0 failed, 116 passed (v4.14.125-81-g743300ca6410)

by kernelci.org bot

stable-rc/linux-4.14.y boot: 116 boots: 0 failed, 116 passed (v4.14.125-81-g743300ca6410) Full Boot Summary: https://kernelci.org/boot/all/job/stable-rc/branch/linux-4.14.y/kernel/v4.1… Full Build Summary: https://kernelci.org/build/stable-rc/branch/linux-4.14.y/kernel/v4.14.125-8… Tree: stable-rc Branch: linux-4.14.y Git Describe: v4.14.125-81-g743300ca6410 Git Commit: 743300ca6410e30133ce3d09a668fe6477d3a67f Git URL: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git Tested: 63 unique boards, 24 SoC families, 15 builds out of 201 --- For more info write to <info(a)kernelci.org>

5 years, 12 months

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[PATCH 2/5] blkcg: update blkcg_print_stat() to handle larger outputs

by Tejun Heo

Depending on the number of devices, blkcg stats can go over the default seqfile buf size. seqfile normally retries with a larger buffer but since the ->pd_stat() addition, blkcg_print_stat() doesn't tell seqfile that overflow has happened and the output gets printed truncated. Fix it by calling seq_commit() w/ -1 on possible overflows. Signed-off-by: Tejun Heo <tj(a)kernel.org> Fixes: 903d23f0a354 ("blk-cgroup: allow controllers to output their own stats") Cc: stable(a)vger.kernel.org # v4.19+ Cc: Josef Bacik <jbacik(a)fb.com> --- block/blk-cgroup.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 1f7127b03490..e4715b35d42c 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1006,8 +1006,12 @@ static int blkcg_print_stat(struct seq_file *sf, void *v) } next: if (has_stats) { - off += scnprintf(buf+off, size-off, "\n"); - seq_commit(sf, off); + if (off < size - 1) { + off += scnprintf(buf+off, size-off, "\n"); + seq_commit(sf, off); + } else { + seq_commit(sf, -1); + } } } -- 2.17.1

5 years, 12 months

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[PATCH 1/5] blk-iolatency: clear use_delay when io.latency is set to zero

by Tejun Heo

If use_delay was non-zero when the latency target of a cgroup was set to zero, it will stay stuck until io.latency is enabled on the cgroup again. This keeps readahead disabled for the cgroup impacting performance negatively. Signed-off-by: Tejun Heo <tj(a)kernel.org> Cc: Josef Bacik <jbacik(a)fb.com> Fixes: d70675121546 ("block: introduce blk-iolatency io controller") Cc: stable(a)vger.kernel.org # v4.19+ --- block/blk-iolatency.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c index d22e61bced86..17896bb3aaf2 100644 --- a/block/blk-iolatency.c +++ b/block/blk-iolatency.c @@ -778,8 +778,10 @@ static int iolatency_set_min_lat_nsec(struct blkcg_gq *blkg, u64 val) if (!oldval && val) return 1; - if (oldval && !val) + if (oldval && !val) { + blkcg_clear_delay(blkg); return -1; + } return 0; } -- 2.17.1

5 years, 12 months

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RFQ Material INF18002(non-ARAMCO)

by Malik Sajja

Dear Sir, Pls quote the attached RFQ ASAP. Mention the make of each item and MTC 3.1 also. Pipe required welded only Outokumpu make. Thx,/Sajjad Malik

5 years, 12 months

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✅ PASS: Stable queue: queue-5.1

by CKI Project

Hello, We ran automated tests on a patchset that was proposed for merging into this kernel tree. The patches were applied to: Kernel repo: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Commit: 2df16141a2c4 - Linux 5.1.9 The results of these automated tests are provided below. Overall result: PASSED Merge: OK Compile: OK Tests: OK We hope that these logs can help you find the problem quickly. For the full detail on our testing procedures, please scroll to the bottom of this message. Please reply to this email if you have any questions about the tests that we ran or if you have any suggestions on how to make future tests more effective. ,-. ,-. ( C ) ( K ) Continuous `-',-.`-' Kernel ( I ) Integration `-' ______________________________________________________________________________ Merge testing ------------- We cloned this repository and checked out the following commit: Repo: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Commit: 2df16141a2c4 - Linux 5.1.9 We then merged the patchset with `git am`: revert-drm-allow-render-capable-master-with-drm_auth.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed media-rockchip-vpu-fix-re-order-probe-error-remove-p.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed media-rockchip-vpu-add-missing-dont_use_autosuspend-.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed rapidio-fix-a-null-pointer-dereference-when-create_w.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed fs-fat-file.c-issue-flush-after-the-writeback-of-fat.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed sysctl-return-einval-if-val-violates-minmax.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed ipc-prevent-lockup-on-alloc_msg-and-free_msg.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed drm-msm-correct-attempted-null-pointer-dereference-i.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed drm-pl111-initialize-clock-spinlock-early.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed mm-mprotect.c-fix-compilation-warning-because-of-unu.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed arm-prevent-tracing-ipi_cpu_backtrace.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed mm-hmm-select-mmu-notifier-when-selecting-hmm.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed hugetlbfs-on-restore-reserve-error-path-retain-subpo.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed mm-memory_hotplug-release-memory-resource-after-arch.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed mem-hotplug-fix-node-spanned-pages-when-we-have-a-no.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed mm-cma.c-fix-crash-on-cma-allocation-if-bitmap-alloc.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed initramfs-free-initrd-memory-if-opening-initrd.image.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed mm-compaction.c-fix-an-undefined-behaviour.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed mm-memory_hotplug.c-fix-the-wrong-usage-of-n_high_me.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed mm-cma.c-fix-the-bitmap-status-to-show-failed-alloca.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed mm-page_mkclean-vs-madv_dontneed-race.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed mm-cma_debug.c-fix-the-break-condition-in-cma_maxchu.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed mm-slab.c-fix-an-infinite-loop-in-leaks_show.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed kernel-sys.c-prctl-fix-false-positive-in-validate_pr.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed thermal-rcar_gen3_thermal-disable-interrupt-in-.remo.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed drivers-thermal-tsens-don-t-print-error-message-on-e.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed mfd-tps65912-spi-add-missing-of-table-registration.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed mfd-intel-lpss-set-the-device-in-reset-state-when-in.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed drm-nouveau-disp-dp-respect-sink-limits-when-selecti.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed mfd-twl6040-fix-device-init-errors-for-accctl-regist.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed perf-x86-intel-allow-pebs-multi-entry-in-watermark-m.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed drm-nouveau-kms-gf119-gp10x-push-headsetcontroloutpu.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed drm-nouveau-fix-duplication-of-nv50_head_atom-struct.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed drm-bridge-adv7511-fix-low-refresh-rate-selection.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed objtool-don-t-use-ignore-flag-for-fake-jumps.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed drm-nouveau-kms-gv100-fix-spurious-window-immediate-.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed bpf-fix-undefined-behavior-in-narrow-load-handling.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed edac-mpc85xx-prevent-building-as-a-module.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed pwm-meson-use-the-spin-lock-only-to-protect-register.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed mailbox-stm32-ipcc-check-invalid-irq.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed ntp-allow-tai-utc-offset-to-be-set-to-zero.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed f2fs-fix-to-avoid-panic-in-do_recover_data.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed f2fs-fix-to-avoid-panic-in-f2fs_inplace_write_data.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed f2fs-fix-error-path-of-recovery.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed f2fs-fix-to-avoid-panic-in-f2fs_remove_inode_page.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed f2fs-fix-to-do-sanity-check-on-free-nid.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed f2fs-fix-to-clear-dirty-inode-in-error-path-of-f2fs_.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed f2fs-fix-to-avoid-panic-in-dec_valid_block_count.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed f2fs-fix-to-use-inline-space-only-if-inline_xattr-is.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed f2fs-fix-to-avoid-panic-in-dec_valid_node_count.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed f2fs-fix-to-do-sanity-check-on-valid-block-count-of-.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed f2fs-fix-to-avoid-deadloop-in-foreground-gc.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed f2fs-fix-to-retrieve-inline-xattr-space.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed f2fs-fix-to-do-checksum-even-if-inode-page-is-uptoda.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed media-atmel-atmel-isc-fix-asd-memory-allocation.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed percpu-remove-spurious-lock-dependency-between-percp.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed configfs-fix-possible-use-after-free-in-configfs_reg.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed uml-fix-a-boot-splat-wrt-use-of-cpu_all_mask.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed pci-dwc-free-msi-in-dw_pcie_host_init-error-path.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed pci-dwc-free-msi-irq-page-in-dw_pcie_free_msi.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed fbcon-don-t-reset-logo_shown-when-logo-is-currently-.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed ovl-do-not-generate-duplicate-fsnotify-events-for-fa.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed mmc-mmci-prevent-polling-for-busy-detection-in-irq-c.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed netfilter-nf_flow_table-fix-missing-error-check-for-.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed 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revert-bluetooth-align-minimum-encryption-key-size-for-le-and-br-edr-connections.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed revert-drm-nouveau-add-kconfig-option-to-turn-off-nouveau-legacy-contexts.-v3.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed ovl-check-the-capability-before-cred-overridden.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed ovl-support-stacked-seek_hole-seek_data.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed alsa-seq-cover-unsubscribe_port-in-list_mutex.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed io_uring-fix-failure-to-verify-sq_aff-cpu.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed Compile testing --------------- We compiled the kernel for 4 architectures: aarch64: build options: -j20 INSTALL_MOD_STRIP=1 targz-pkg configuration: https://artifacts.cki-project.org/builds/aarch64/kernel-stable_queue_5.1-aa… kernel build: https://artifacts.cki-project.org/builds/aarch64/kernel-stable_queue_5.1-aa… ppc64le: build options: -j20 INSTALL_MOD_STRIP=1 targz-pkg configuration: https://artifacts.cki-project.org/builds/ppc64le/kernel-stable_queue_5.1-pp… kernel build: https://artifacts.cki-project.org/builds/ppc64le/kernel-stable_queue_5.1-pp… s390x: build options: -j20 INSTALL_MOD_STRIP=1 targz-pkg configuration: https://artifacts.cki-project.org/builds/s390x/kernel-stable_queue_5.1-s390… kernel build: https://artifacts.cki-project.org/builds/s390x/kernel-stable_queue_5.1-s390… x86_64: build options: -j20 INSTALL_MOD_STRIP=1 targz-pkg configuration: https://artifacts.cki-project.org/builds/x86_64/kernel-stable_queue_5.1-x86… kernel build: https://artifacts.cki-project.org/builds/x86_64/kernel-stable_queue_5.1-x86… Hardware testing ---------------- We booted each kernel and ran the following tests: aarch64: Host 1: ✅ Boot test [0] ✅ xfstests: xfs [1] ✅ selinux-policy: serge-testsuite [2] Host 2: ✅ Boot test [0] ✅ LTP lite [3] ✅ Loopdev Sanity [4] ✅ AMTU (Abstract Machine Test Utility) [5] ✅ Ethernet drivers sanity [6] ✅ audit: audit testsuite test [7] ✅ httpd: mod_ssl smoke sanity [8] ✅ iotop: sanity [9] ✅ tuned: tune-processes-through-perf [10] ✅ Usex - version 1.9-29 [11] ✅ lvm thinp sanity [12] 🚧 ✅ Networking socket: fuzz [13] 🚧 ✅ storage: SCSI VPD [14] 🚧 ✅ storage: software RAID testing [15] 🚧 ✅ Libhugetlbfs - version 2.2.1 [16] ppc64le: ⚡ Internal infrastructure issues prevented one or more tests from running on this architecture. This is not the fault of the kernel that was tested. s390x: ⚡ Internal infrastructure issues prevented one or more tests from running on this architecture. This is not the fault of the kernel that was tested. x86_64: ⚡ Internal infrastructure issues prevented one or more tests from running on this architecture. This is not the fault of the kernel that was tested. Test source: 💚 Pull requests are welcome for new tests or improvements to existing tests! [0]: https://github.com/CKI-project/tests-beaker/archive/master.zip#distribution… [1]: https://github.com/CKI-project/tests-beaker/archive/master.zip#/filesystems… [2]: https://github.com/CKI-project/tests-beaker/archive/master.zip#/packages/se… [3]: https://github.com/CKI-project/tests-beaker/archive/master.zip#distribution… [4]: https://github.com/CKI-project/tests-beaker/archive/master.zip#filesystems/… [5]: https://github.com/CKI-project/tests-beaker/archive/master.zip#misc/amtu [6]: https://github.com/CKI-project/tests-beaker/archive/master.zip#/networking/… [7]: https://github.com/CKI-project/tests-beaker/archive/master.zip#packages/aud… [8]: https://github.com/CKI-project/tests-beaker/archive/master.zip#packages/htt… [9]: https://github.com/CKI-project/tests-beaker/archive/master.zip#packages/iot… [10]: https://github.com/CKI-project/tests-beaker/archive/master.zip#packages/tun… [11]: https://github.com/CKI-project/tests-beaker/archive/master.zip#standards/us… [12]: https://github.com/CKI-project/tests-beaker/archive/master.zip#storage/lvm/… [13]: https://github.com/CKI-project/tests-beaker/archive/master.zip#/networking/… [14]: https://github.com/CKI-project/tests-beaker/archive/master.zip#storage/scsi… [15]: https://github.com/CKI-project/tests-beaker/archive/master.zip#storage/swra… [16]: https://github.com/CKI-project/tests-beaker/archive/master.zip#vm/hugepage/… Waived tests (marked with 🚧) ----------------------------- This test run included waived tests. Such tests are executed but their results are not taken into account. Tests are waived when their results are not reliable enough, e.g. when they're just introduced or are being fixed.

5 years, 12 months

1
0
0 0

Re: CFQ idling kills I/O performance on ext4 with blkio cgroup controller

by Srivatsa S. Bhat

[ Adding Greg to CC ] On 6/12/19 6:04 AM, Jan Kara wrote: > On Tue 11-06-19 15:34:48, Srivatsa S. Bhat wrote: >> On 6/2/19 12:04 AM, Srivatsa S. Bhat wrote: >>> On 5/30/19 3:45 AM, Paolo Valente wrote: >>>> >> [...] >>>> At any rate, since you pointed out that you are interested in >>>> out-of-the-box performance, let me complete the context: in case >>>> low_latency is left set, one gets, in return for this 12% loss, >>>> a) at least 1000% higher responsiveness, e.g., 1000% lower start-up >>>> times of applications under load [1]; >>>> b) 500-1000% higher throughput in multi-client server workloads, as I >>>> already pointed out [2]. >>>> >>> >>> I'm very happy that you could solve the problem without having to >>> compromise on any of the performance characteristics/features of BFQ! >>> >>> >>>> I'm going to prepare complete patches. In addition, if ok for you, >>>> I'll report these results on the bug you created. Then I guess we can >>>> close it. >>>> >>> >>> Sounds great! >>> >> >> Hi Paolo, >> >> Hope you are doing great! >> >> I was wondering if you got a chance to post these patches to LKML for >> review and inclusion... (No hurry, of course!) >> >> Also, since your fixes address the performance issues in BFQ, do you >> have any thoughts on whether they can be adapted to CFQ as well, to >> benefit the older stable kernels that still support CFQ? > > Since CFQ doesn't exist in current upstream kernel anymore, I seriously > doubt you'll be able to get any performance improvements for it in the > stable kernels... > I suspected as much, but that seems unfortunate though. The latest LTS kernel is based on 4.19, which still supports CFQ. It would have been great to have a process to address significant issues on older kernels too. Greg, do you have any thoughts on this? The context is that both CFQ and BFQ I/O schedulers have issues that cause I/O throughput to suffer upto 10x - 30x on certain workloads and system configurations, as reported in [1]. In this thread, Paolo posted patches to fix BFQ performance on mainline. However CFQ suffers from the same performance collapse, but CFQ was removed from the kernel in v5.0. So obviously the usual stable backporting path won't work here for several reasons: 1. There won't be a mainline commit to backport from, as CFQ no longer exists in mainline. 2. This is not a security/stability fix, and is likely to involve invasive changes. I was wondering if there was a way to address the performance issues in CFQ in the older stable kernels (including the latest LTS 4.19), despite the above constraints, since the performance drop is much too significant. I guess not, but thought I'd ask :-) [1]. https://lore.kernel.org/lkml/8d72fcf7-bbb4-2965-1a06-e9fc177a8938@csail.mit… Regards, Srivatsa VMware Photon OS

5 years, 12 months

4
5
0 0

✅ PASS: Stable queue: queue-4.19

by CKI Project

Hello, We ran automated tests on a patchset that was proposed for merging into this kernel tree. The patches were applied to: Kernel repo: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Commit: 768292d05361 - Linux 4.19.50 The results of these automated tests are provided below. Overall result: PASSED Merge: OK Compile: OK Tests: OK We hope that these logs can help you find the problem quickly. For the full detail on our testing procedures, please scroll to the bottom of this message. Please reply to this email if you have any questions about the tests that we ran or if you have any suggestions on how to make future tests more effective. ,-. ,-. ( C ) ( K ) Continuous `-',-.`-' Kernel ( I ) Integration `-' ______________________________________________________________________________ Merge testing ------------- We cloned this repository and checked out the following commit: Repo: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git Commit: 768292d05361 - Linux 4.19.50 We then merged the patchset with `git am`: rapidio-fix-a-null-pointer-dereference-when-create_w.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed fs-fat-file.c-issue-flush-after-the-writeback-of-fat.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed sysctl-return-einval-if-val-violates-minmax.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed ipc-prevent-lockup-on-alloc_msg-and-free_msg.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed drm-pl111-initialize-clock-spinlock-early.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed arm-prevent-tracing-ipi_cpu_backtrace.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed 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percpu-do-not-search-past-bitmap-when-allocating-an-.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed revert-bluetooth-align-minimum-encryption-key-size-for-le-and-br-edr-connections.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed revert-drm-nouveau-add-kconfig-option-to-turn-off-nouveau-legacy-contexts.-v3.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed ovl-check-the-capability-before-cred-overridden.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed ovl-support-stacked-seek_hole-seek_data.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed drm-vc4-fix-fb-references-in-async-update.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed alsa-seq-cover-unsubscribe_port-in-list_mutex.patch?id=b36b0b9b3b389910273cfd665dc33954b0144fed Compile testing --------------- We compiled the kernel for 4 architectures: aarch64: build options: -j20 INSTALL_MOD_STRIP=1 targz-pkg configuration: https://artifacts.cki-project.org/builds/aarch64/kernel-stable_queue_4.19-a… kernel build: https://artifacts.cki-project.org/builds/aarch64/kernel-stable_queue_4.19-a… ppc64le: build options: -j20 INSTALL_MOD_STRIP=1 targz-pkg configuration: https://artifacts.cki-project.org/builds/ppc64le/kernel-stable_queue_4.19-p… kernel build: https://artifacts.cki-project.org/builds/ppc64le/kernel-stable_queue_4.19-p… s390x: build options: -j20 INSTALL_MOD_STRIP=1 targz-pkg configuration: https://artifacts.cki-project.org/builds/s390x/kernel-stable_queue_4.19-s39… kernel build: https://artifacts.cki-project.org/builds/s390x/kernel-stable_queue_4.19-s39… x86_64: build options: -j20 INSTALL_MOD_STRIP=1 targz-pkg configuration: https://artifacts.cki-project.org/builds/x86_64/kernel-stable_queue_4.19-x8… kernel build: https://artifacts.cki-project.org/builds/x86_64/kernel-stable_queue_4.19-x8… Hardware testing ---------------- We booted each kernel and ran the following tests: aarch64: Host 1: ✅ Boot test [0] ✅ LTP lite [1] ✅ Loopdev Sanity [2] ✅ AMTU (Abstract Machine Test Utility) [3] ✅ Ethernet drivers sanity [4] ✅ audit: audit testsuite test [5] ✅ httpd: mod_ssl smoke sanity [6] ✅ iotop: sanity [7] ✅ tuned: tune-processes-through-perf [8] ✅ Usex - version 1.9-29 [9] ✅ lvm thinp sanity [10] 🚧 ✅ Networking socket: fuzz [11] 🚧 ✅ storage: SCSI VPD [12] 🚧 ✅ storage: software RAID testing [13] 🚧 ✅ Libhugetlbfs - version 2.2.1 [14] Host 2: ✅ Boot test [0] ✅ xfstests: xfs [15] ✅ selinux-policy: serge-testsuite [16] ppc64le: ⚡ Internal infrastructure issues prevented one or more tests from running on this architecture. This is not the fault of the kernel that was tested. s390x: ⚡ Internal infrastructure issues prevented one or more tests from running on this architecture. This is not the fault of the kernel that was tested. x86_64: ⚡ Internal infrastructure issues prevented one or more tests from running on this architecture. This is not the fault of the kernel that was tested. Test source: 💚 Pull requests are welcome for new tests or improvements to existing tests! [0]: https://github.com/CKI-project/tests-beaker/archive/master.zip#distribution… [1]: https://github.com/CKI-project/tests-beaker/archive/master.zip#distribution… [2]: https://github.com/CKI-project/tests-beaker/archive/master.zip#filesystems/… [3]: https://github.com/CKI-project/tests-beaker/archive/master.zip#misc/amtu [4]: https://github.com/CKI-project/tests-beaker/archive/master.zip#/networking/… [5]: https://github.com/CKI-project/tests-beaker/archive/master.zip#packages/aud… [6]: https://github.com/CKI-project/tests-beaker/archive/master.zip#packages/htt… [7]: https://github.com/CKI-project/tests-beaker/archive/master.zip#packages/iot… [8]: https://github.com/CKI-project/tests-beaker/archive/master.zip#packages/tun… [9]: https://github.com/CKI-project/tests-beaker/archive/master.zip#standards/us… [10]: https://github.com/CKI-project/tests-beaker/archive/master.zip#storage/lvm/… [11]: https://github.com/CKI-project/tests-beaker/archive/master.zip#/networking/… [12]: https://github.com/CKI-project/tests-beaker/archive/master.zip#storage/scsi… [13]: https://github.com/CKI-project/tests-beaker/archive/master.zip#storage/swra… [14]: https://github.com/CKI-project/tests-beaker/archive/master.zip#vm/hugepage/… [15]: https://github.com/CKI-project/tests-beaker/archive/master.zip#/filesystems… [16]: https://github.com/CKI-project/tests-beaker/archive/master.zip#/packages/se… Waived tests (marked with 🚧) ----------------------------- This test run included waived tests. Such tests are executed but their results are not taken into account. Tests are waived when their results are not reliable enough, e.g. when they're just introduced or are being fixed.

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stable-rc/linux-4.14.y build: 201 builds: 5 failed, 196 passed, 5 errors, 125 warnings (v4.14.125-81-g743300ca6410)

by kernelci.org bot

stable-rc/linux-4.14.y build: 201 builds: 5 failed, 196 passed, 5 errors, 125 warnings (v4.14.125-81-g743300ca6410) Full Build Summary: https://kernelci.org/build/stable-rc/branch/linux-4.14.y/kernel/v4.14.125-8… Tree: stable-rc Branch: linux-4.14.y Git Describe: v4.14.125-81-g743300ca6410 Git Commit: 743300ca6410e30133ce3d09a668fe6477d3a67f Git URL: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git Built: 6 unique architectures Build Failures Detected: mips: bigsur_defconfig: (gcc-8) FAIL decstation_defconfig: (gcc-8) FAIL jmr3927_defconfig: (gcc-8) FAIL nlm_xlr_defconfig: (gcc-8) FAIL sb1250_swarm_defconfig: (gcc-8) FAIL Errors and Warnings Detected: arc: axs103_defconfig (gcc-8): 2 warnings axs103_smp_defconfig (gcc-8): 2 warnings hsdk_defconfig (gcc-8): 2 warnings nsimosci_hs_defconfig (gcc-8): 2 warnings nsimosci_hs_smp_defconfig (gcc-8): 2 warnings vdk_hs38_defconfig (gcc-8): 3 warnings vdk_hs38_smp_defconfig (gcc-8): 3 warnings arm64: defconfig (gcc-8): 1 warning arm: acs5k_defconfig (gcc-8): 1 warning acs5k_tiny_defconfig (gcc-8): 1 warning aspeed_g4_defconfig (gcc-8): 1 warning aspeed_g5_defconfig (gcc-8): 1 warning assabet_defconfig (gcc-8): 1 warning axm55xx_defconfig (gcc-8): 1 warning badge4_defconfig (gcc-8): 1 warning cerfcube_defconfig (gcc-8): 1 warning clps711x_defconfig (gcc-8): 1 warning cm_x300_defconfig (gcc-8): 1 warning cns3420vb_defconfig (gcc-8): 1 warning colibri_pxa270_defconfig (gcc-8): 1 warning colibri_pxa300_defconfig (gcc-8): 1 warning collie_defconfig (gcc-8): 1 warning corgi_defconfig (gcc-8): 1 warning davinci_all_defconfig (gcc-8): 1 warning dove_defconfig (gcc-8): 1 warning ebsa110_defconfig (gcc-8): 1 warning ep93xx_defconfig (gcc-8): 1 warning eseries_pxa_defconfig (gcc-8): 1 warning exynos_defconfig (gcc-8): 1 warning ezx_defconfig (gcc-8): 1 warning footbridge_defconfig (gcc-8): 1 warning gemini_defconfig (gcc-8): 1 warning h3600_defconfig (gcc-8): 1 warning hackkit_defconfig (gcc-8): 1 warning hisi_defconfig (gcc-8): 1 warning imote2_defconfig (gcc-8): 1 warning imx_v6_v7_defconfig (gcc-8): 1 warning integrator_defconfig (gcc-8): 1 warning iop13xx_defconfig (gcc-8): 1 warning iop32x_defconfig (gcc-8): 1 warning iop33x_defconfig (gcc-8): 1 warning ixp4xx_defconfig (gcc-8): 1 warning jornada720_defconfig (gcc-8): 1 warning keystone_defconfig (gcc-8): 1 warning ks8695_defconfig (gcc-8): 1 warning lart_defconfig (gcc-8): 1 warning lpd270_defconfig (gcc-8): 1 warning lubbock_defconfig (gcc-8): 1 warning magician_defconfig (gcc-8): 1 warning mainstone_defconfig (gcc-8): 1 warning mini2440_defconfig (gcc-8): 1 warning mmp2_defconfig (gcc-8): 1 warning moxart_defconfig (gcc-8): 1 warning multi_v4t_defconfig (gcc-8): 1 warning multi_v5_defconfig (gcc-8): 1 warning multi_v7_defconfig (gcc-8): 1 warning mv78xx0_defconfig (gcc-8): 1 warning mvebu_v5_defconfig (gcc-8): 1 warning mvebu_v7_defconfig (gcc-8): 1 warning mxs_defconfig (gcc-8): 1 warning neponset_defconfig (gcc-8): 1 warning netwinder_defconfig (gcc-8): 1 warning netx_defconfig (gcc-8): 1 warning nhk8815_defconfig (gcc-8): 1 warning nuc910_defconfig (gcc-8): 1 warning nuc950_defconfig (gcc-8): 1 warning nuc960_defconfig (gcc-8): 1 warning omap2plus_defconfig (gcc-8): 1 warning orion5x_defconfig (gcc-8): 1 warning palmz72_defconfig (gcc-8): 1 warning pcm027_defconfig (gcc-8): 1 warning prima2_defconfig (gcc-8): 1 warning pxa168_defconfig (gcc-8): 1 warning pxa255-idp_defconfig (gcc-8): 1 warning pxa3xx_defconfig (gcc-8): 1 warning pxa910_defconfig (gcc-8): 1 warning pxa_defconfig (gcc-8): 1 warning qcom_defconfig (gcc-8): 1 warning raumfeld_defconfig (gcc-8): 1 warning realview_defconfig (gcc-8): 1 warning rpc_defconfig (gcc-8): 1 warning s3c2410_defconfig (gcc-8): 1 warning s3c6400_defconfig (gcc-8): 1 warning s5pv210_defconfig (gcc-8): 1 warning sama5_defconfig (gcc-8): 1 warning shannon_defconfig (gcc-8): 1 warning simpad_defconfig (gcc-8): 1 warning socfpga_defconfig (gcc-8): 1 warning spear13xx_defconfig (gcc-8): 1 warning spear3xx_defconfig (gcc-8): 1 warning spear6xx_defconfig (gcc-8): 1 warning spitz_defconfig (gcc-8): 1 warning sunxi_defconfig (gcc-8): 1 warning tango4_defconfig (gcc-8): 1 warning tegra_defconfig (gcc-8): 1 warning trizeps4_defconfig (gcc-8): 1 warning u300_defconfig (gcc-8): 1 warning u8500_defconfig (gcc-8): 1 warning versatile_defconfig (gcc-8): 1 warning vexpress_defconfig (gcc-8): 1 warning vt8500_v6_v7_defconfig (gcc-8): 1 warning zeus_defconfig (gcc-8): 1 warning zx_defconfig (gcc-8): 1 warning i386: i386_defconfig (gcc-8): 1 warning mips: bigsur_defconfig (gcc-8): 1 error, 4 warnings decstation_defconfig (gcc-8): 1 error jmr3927_defconfig (gcc-8): 1 error malta_qemu_32r6_defconfig (gcc-8): 1 warning nlm_xlr_defconfig (gcc-8): 1 error, 1 warning sb1250_swarm_defconfig (gcc-8): 1 error, 4 warnings x86_64: tinyconfig (gcc-8): 1 warning x86_64_defconfig (gcc-8): 1 warning Errors summary: 2 (.text+0x1c8): undefined reference to `iommu_is_span_boundary' 1 cc1: error: '-march=r3900' requires '-mfp32' 1 cc1: error: '-march=r3000' requires '-mfp32' 1 arch/mips/include/asm/netlogic/xlr/fmn.h:304:22: error: bitwise comparison always evaluates to false [-Werror=tautological-compare] Warnings summary: 98 fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] 14 arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] 8 warning: (SIBYTE_SWARM && SIBYTE_SENTOSA && SIBYTE_BIGSUR && SWIOTLB_XEN && AMD_IOMMU) selects SWIOTLB which has unmet direct dependencies (CAVIUM_OCTEON_SOC || MACH_LOONGSON64 && CPU_LOONGSON3 || NLM_XLP_BOARD || NLM_XLR_BOARD) 2 arch/arc/kernel/unwind.c:188:14: warning: 'unw_hdr_alloc' defined but not used [-Wunused-function] 1 {standard input}:29: Warning: macro instruction expanded into multiple instructions 1 cc1: all warnings being treated as errors 1 .config:1023:warning: override: UNWINDER_GUESS changes choice state ================================================================================ Detailed per-defconfig build reports: -------------------------------------------------------------------------------- 32r2el_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- acs5k_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- acs5k_tiny_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- allnoconfig (arc, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- allnoconfig (arm64, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- allnoconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- allnoconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- allnoconfig (i386, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- allnoconfig (x86_64, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- am200epdkit_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- ar7_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- aspeed_g4_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- aspeed_g5_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- assabet_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- at91_dt_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- ath25_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- ath79_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- axm55xx_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- axs103_defconfig (arc, gcc-8) — PASS, 0 errors, 2 warnings, 0 section mismatches Warnings: arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] -------------------------------------------------------------------------------- axs103_smp_defconfig (arc, gcc-8) — PASS, 0 errors, 2 warnings, 0 section mismatches Warnings: arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] -------------------------------------------------------------------------------- badge4_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- bcm2835_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- bcm47xx_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- bcm63xx_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- bigsur_defconfig (mips, gcc-8) — FAIL, 1 error, 4 warnings, 0 section mismatches Errors: (.text+0x1c8): undefined reference to `iommu_is_span_boundary' Warnings: warning: (SIBYTE_SWARM && SIBYTE_SENTOSA && SIBYTE_BIGSUR && SWIOTLB_XEN && AMD_IOMMU) selects SWIOTLB which has unmet direct dependencies (CAVIUM_OCTEON_SOC || MACH_LOONGSON64 && CPU_LOONGSON3 || NLM_XLP_BOARD || NLM_XLR_BOARD) warning: (SIBYTE_SWARM && SIBYTE_SENTOSA && SIBYTE_BIGSUR && SWIOTLB_XEN && AMD_IOMMU) selects SWIOTLB which has unmet direct dependencies (CAVIUM_OCTEON_SOC || MACH_LOONGSON64 && CPU_LOONGSON3 || NLM_XLP_BOARD || NLM_XLR_BOARD) warning: (SIBYTE_SWARM && SIBYTE_SENTOSA && SIBYTE_BIGSUR && SWIOTLB_XEN && AMD_IOMMU) selects SWIOTLB which has unmet direct dependencies (CAVIUM_OCTEON_SOC || MACH_LOONGSON64 && CPU_LOONGSON3 || NLM_XLP_BOARD || NLM_XLR_BOARD) warning: (SIBYTE_SWARM && SIBYTE_SENTOSA && SIBYTE_BIGSUR && SWIOTLB_XEN && AMD_IOMMU) selects SWIOTLB which has unmet direct dependencies (CAVIUM_OCTEON_SOC || MACH_LOONGSON64 && CPU_LOONGSON3 || NLM_XLP_BOARD || NLM_XLR_BOARD) -------------------------------------------------------------------------------- bmips_be_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- bmips_stb_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- capcella_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- cavium_octeon_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- cerfcube_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- ci20_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- clps711x_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- cm_x2xx_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- cm_x300_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- cns3420vb_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- cobalt_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- colibri_pxa270_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- colibri_pxa300_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- collie_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- corgi_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- davinci_all_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- db1xxx_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- decstation_defconfig (mips, gcc-8) — FAIL, 1 error, 0 warnings, 0 section mismatches Errors: cc1: error: '-march=r3000' requires '-mfp32' -------------------------------------------------------------------------------- defconfig (arm64, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- dove_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- e55_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- ebsa110_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- efm32_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- em_x270_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- ep93xx_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- eseries_pxa_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- exynos_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- ezx_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- footbridge_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- fuloong2e_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- gemini_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- gpr_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- h3600_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- h5000_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- hackkit_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- haps_hs_defconfig (arc, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- haps_hs_smp_defconfig (arc, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- hisi_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- hsdk_defconfig (arc, gcc-8) — PASS, 0 errors, 2 warnings, 0 section mismatches Warnings: arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] -------------------------------------------------------------------------------- i386_defconfig (i386, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- imote2_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- imx_v4_v5_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- imx_v6_v7_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- integrator_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- iop13xx_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- iop32x_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- iop33x_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- ip22_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- ip27_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- ip28_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- ip32_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- ixp4xx_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- jazz_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- jmr3927_defconfig (mips, gcc-8) — FAIL, 1 error, 0 warnings, 0 section mismatches Errors: cc1: error: '-march=r3900' requires '-mfp32' -------------------------------------------------------------------------------- jornada720_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- keystone_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- ks8695_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- lart_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- lasat_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- lemote2f_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- loongson1b_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- loongson1c_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- loongson3_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- lpc18xx_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- lpc32xx_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- lpd270_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- lubbock_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- magician_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- mainstone_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- malta_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- malta_kvm_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- malta_kvm_guest_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- malta_qemu_32r6_defconfig (mips, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: {standard input}:29: Warning: macro instruction expanded into multiple instructions -------------------------------------------------------------------------------- maltaaprp_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- maltasmvp_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- maltasmvp_eva_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- maltaup_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- maltaup_xpa_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- markeins_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- mini2440_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- mips_paravirt_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- mmp2_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- moxart_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- mpc30x_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- mps2_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- msp71xx_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- mtx1_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- multi_v4t_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- multi_v5_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- multi_v7_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- mv78xx0_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- mvebu_v5_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- mvebu_v7_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- mxs_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- neponset_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- netwinder_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- netx_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- nhk8815_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- nlm_xlp_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- nlm_xlr_defconfig (mips, gcc-8) — FAIL, 1 error, 1 warning, 0 section mismatches Errors: arch/mips/include/asm/netlogic/xlr/fmn.h:304:22: error: bitwise comparison always evaluates to false [-Werror=tautological-compare] Warnings: cc1: all warnings being treated as errors -------------------------------------------------------------------------------- nsim_hs_defconfig (arc, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- nsim_hs_smp_defconfig (arc, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- nsimosci_hs_defconfig (arc, gcc-8) — PASS, 0 errors, 2 warnings, 0 section mismatches Warnings: arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] -------------------------------------------------------------------------------- nsimosci_hs_smp_defconfig (arc, gcc-8) — PASS, 0 errors, 2 warnings, 0 section mismatches Warnings: arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] -------------------------------------------------------------------------------- nuc910_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- nuc950_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- nuc960_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- omap1_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- omap2plus_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- omega2p_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- orion5x_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- palmz72_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- pcm027_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- pic32mzda_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- pistachio_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- pleb_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- pnx8335_stb225_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- prima2_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- pxa168_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- pxa255-idp_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- pxa3xx_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- pxa910_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- pxa_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- qcom_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- qi_lb60_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- raumfeld_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- rb532_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- rbtx49xx_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- realview_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- rm200_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- rpc_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- rt305x_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- s3c2410_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- s3c6400_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- s5pv210_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- sama5_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- sb1250_swarm_defconfig (mips, gcc-8) — FAIL, 1 error, 4 warnings, 0 section mismatches Errors: (.text+0x1c8): undefined reference to `iommu_is_span_boundary' Warnings: warning: (SIBYTE_SWARM && SIBYTE_SENTOSA && SIBYTE_BIGSUR && SWIOTLB_XEN && AMD_IOMMU) selects SWIOTLB which has unmet direct dependencies (CAVIUM_OCTEON_SOC || MACH_LOONGSON64 && CPU_LOONGSON3 || NLM_XLP_BOARD || NLM_XLR_BOARD) warning: (SIBYTE_SWARM && SIBYTE_SENTOSA && SIBYTE_BIGSUR && SWIOTLB_XEN && AMD_IOMMU) selects SWIOTLB which has unmet direct dependencies (CAVIUM_OCTEON_SOC || MACH_LOONGSON64 && CPU_LOONGSON3 || NLM_XLP_BOARD || NLM_XLR_BOARD) warning: (SIBYTE_SWARM && SIBYTE_SENTOSA && SIBYTE_BIGSUR && SWIOTLB_XEN && AMD_IOMMU) selects SWIOTLB which has unmet direct dependencies (CAVIUM_OCTEON_SOC || MACH_LOONGSON64 && CPU_LOONGSON3 || NLM_XLP_BOARD || NLM_XLR_BOARD) warning: (SIBYTE_SWARM && SIBYTE_SENTOSA && SIBYTE_BIGSUR && SWIOTLB_XEN && AMD_IOMMU) selects SWIOTLB which has unmet direct dependencies (CAVIUM_OCTEON_SOC || MACH_LOONGSON64 && CPU_LOONGSON3 || NLM_XLP_BOARD || NLM_XLR_BOARD) -------------------------------------------------------------------------------- shannon_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- shmobile_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- simpad_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- socfpga_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- spear13xx_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- spear3xx_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- spear6xx_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- spitz_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- stm32_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- sunxi_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- tango4_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- tb0219_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- tb0226_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- tb0287_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- tct_hammer_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- tegra_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- tinyconfig (i386, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- tinyconfig (x86_64, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: .config:1023:warning: override: UNWINDER_GUESS changes choice state -------------------------------------------------------------------------------- tinyconfig (arm64, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- tinyconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- tinyconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- tinyconfig (arc, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- trizeps4_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- u300_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- u8500_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- vdk_hs38_defconfig (arc, gcc-8) — PASS, 0 errors, 3 warnings, 0 section mismatches Warnings: arch/arc/kernel/unwind.c:188:14: warning: 'unw_hdr_alloc' defined but not used [-Wunused-function] arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] -------------------------------------------------------------------------------- vdk_hs38_smp_defconfig (arc, gcc-8) — PASS, 0 errors, 3 warnings, 0 section mismatches Warnings: arch/arc/kernel/unwind.c:188:14: warning: 'unw_hdr_alloc' defined but not used [-Wunused-function] arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] arch/arc/include/asm/cmpxchg.h:95:29: warning: value computed is not used [-Wunused-value] -------------------------------------------------------------------------------- versatile_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- vexpress_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- viper_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- vocore2_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- vt8500_v6_v7_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- workpad_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- x86_64_defconfig (x86_64, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- xcep_defconfig (arm, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- xilfpga_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- xway_defconfig (mips, gcc-8) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- zeus_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] -------------------------------------------------------------------------------- zx_defconfig (arm, gcc-8) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: fs/proc/task_mmu.c:761:7: warning: 'last_vma' may be used uninitialized in this function [-Wmaybe-uninitialized] --- For more info write to <info(a)kernelci.org>

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Linux-stable-mirror June 2019