July 2024 - Linux-stable-mirror

FAILED: patch "[PATCH] mmc: sdhci-brcmstb: check R1_STATUS for erase/trim/discard" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x d77dc388cd61dfdafe30b98025fa827498378199 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024070123-nephew-swept-da0d@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: d77dc388cd61 ("mmc: sdhci-brcmstb: check R1_STATUS for erase/trim/discard") 97904a59855c ("mmc: sdhci-brcmstb: Add ability to increase max clock rate for 72116b0") 6bcc55fe648b ("mmc: sdhci-brcmstb: Enable Clock Gating to save power") f3a70f991dd0 ("mmc: sdhci-brcmstb: Re-organize flags") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From d77dc388cd61dfdafe30b98025fa827498378199 Mon Sep 17 00:00:00 2001 From: Kamal Dasu <kamal.dasu(a)broadcom.com> Date: Mon, 3 Jun 2024 18:08:34 -0400 Subject: [PATCH] mmc: sdhci-brcmstb: check R1_STATUS for erase/trim/discard When erase/trim/discard completion was converted to mmc_poll_for_busy(), optional support to poll with the host_ops->card_busy() callback was also added. The common sdhci's ->card_busy() turns out not to be working as expected for the sdhci-brcmstb variant, as it keeps returning busy beyond the card's busy period. In particular, this leads to the below splat for mmc_do_erase() when running a discard (BLKSECDISCARD) operation during mkfs.f2fs: Info: [/dev/mmcblk1p9] Discarding device [ 39.597258] sysrq: Show Blocked State [ 39.601183] task:mkfs.f2fs state:D stack:0 pid:1561 tgid:1561 ppid:1542 flags:0x0000000d [ 39.610609] Call trace: [ 39.613098] __switch_to+0xd8/0xf4 [ 39.616582] __schedule+0x440/0x4f4 [ 39.620137] schedule+0x2c/0x48 [ 39.623341] schedule_hrtimeout_range_clock+0xe0/0x114 [ 39.628562] schedule_hrtimeout_range+0x10/0x18 [ 39.633169] usleep_range_state+0x5c/0x90 [ 39.637253] __mmc_poll_for_busy+0xec/0x128 [ 39.641514] mmc_poll_for_busy+0x48/0x70 [ 39.645511] mmc_do_erase+0x1ec/0x210 [ 39.649237] mmc_erase+0x1b4/0x1d4 [ 39.652701] mmc_blk_mq_issue_rq+0x35c/0x6ac [ 39.657037] mmc_mq_queue_rq+0x18c/0x214 [ 39.661022] blk_mq_dispatch_rq_list+0x3a8/0x528 [ 39.665722] __blk_mq_sched_dispatch_requests+0x3a0/0x4ac [ 39.671198] blk_mq_sched_dispatch_requests+0x28/0x5c [ 39.676322] blk_mq_run_hw_queue+0x11c/0x12c [ 39.680668] blk_mq_flush_plug_list+0x200/0x33c [ 39.685278] blk_add_rq_to_plug+0x68/0xd8 [ 39.689365] blk_mq_submit_bio+0x3a4/0x458 [ 39.693539] __submit_bio+0x1c/0x80 [ 39.697096] submit_bio_noacct_nocheck+0x94/0x174 [ 39.701875] submit_bio_noacct+0x1b0/0x22c [ 39.706042] submit_bio+0xac/0xe8 [ 39.709424] blk_next_bio+0x4c/0x5c [ 39.712973] blkdev_issue_secure_erase+0x118/0x170 [ 39.717835] blkdev_common_ioctl+0x374/0x728 [ 39.722175] blkdev_ioctl+0x8c/0x2b0 [ 39.725816] vfs_ioctl+0x24/0x40 [ 39.729117] __arm64_sys_ioctl+0x5c/0x8c [ 39.733114] invoke_syscall+0x68/0xec [ 39.736839] el0_svc_common.constprop.0+0x70/0xd8 [ 39.741609] do_el0_svc+0x18/0x20 [ 39.744981] el0_svc+0x68/0x94 [ 39.748107] el0t_64_sync_handler+0x88/0x124 [ 39.752455] el0t_64_sync+0x168/0x16c To fix the problem let's override the host_ops->card_busy() callback by setting it to NULL, which forces the mmc core to poll with a CMD13 and checking the R1_STATUS in the mmc_busy_cb() function. Signed-off-by: Kamal Dasu <kamal.dasu(a)broadcom.com> Fixes: 0d84c3e6a5b2 ("mmc: core: Convert to mmc_poll_for_busy() for erase/trim/discard") Cc: stable(a)vger.kernel.org Link: https://lore.kernel.org/r/20240603220834.21989-2-kamal.dasu@broadcom.com [Ulf: Clarified the commit message] Signed-off-by: Ulf Hansson <ulf.hansson(a)linaro.org> diff --git a/drivers/mmc/host/sdhci-brcmstb.c b/drivers/mmc/host/sdhci-brcmstb.c index 9053526fa212..150fb477b7cc 100644 --- a/drivers/mmc/host/sdhci-brcmstb.c +++ b/drivers/mmc/host/sdhci-brcmstb.c @@ -24,6 +24,7 @@ #define BRCMSTB_MATCH_FLAGS_NO_64BIT BIT(0) #define BRCMSTB_MATCH_FLAGS_BROKEN_TIMEOUT BIT(1) #define BRCMSTB_MATCH_FLAGS_HAS_CLOCK_GATE BIT(2) +#define BRCMSTB_MATCH_FLAGS_USE_CARD_BUSY BIT(4) #define BRCMSTB_PRIV_FLAGS_HAS_CQE BIT(0) #define BRCMSTB_PRIV_FLAGS_GATE_CLOCK BIT(1) @@ -384,6 +385,9 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) if (match_priv->flags & BRCMSTB_MATCH_FLAGS_BROKEN_TIMEOUT) host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL; + if (!(match_priv->flags & BRCMSTB_MATCH_FLAGS_USE_CARD_BUSY)) + host->mmc_host_ops.card_busy = NULL; + /* Change the base clock frequency if the DT property exists */ if (device_property_read_u32(&pdev->dev, "clock-frequency", &priv->base_freq_hz) != 0)

1 year, 4 months

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FAILED: patch "[PATCH] selftests/mm:fix test_prctl_fork_exec return failure" failed to apply to 5.4-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y git checkout FETCH_HEAD git cherry-pick -x 8b8546d298dc9ce9d5d01a06c822e255d2159ca7 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024070138-smell-polygraph-37ef@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^.. Possible dependencies: 8b8546d298dc ("selftests/mm:fix test_prctl_fork_exec return failure") 6c47de3be3a0 ("selftest/mm: ksm_functional_tests: extend test case for ksm fork/exec") 0374af1da077 ("mm/ksm: test case for prctl fork/exec workflow") e5013f11c6c9 ("selftest/mm: ksm_functional_tests: Add PROT_NONE test") 42096aa24b82 ("selftest/mm: ksm_functional_tests: test in mmap_and_merge_range() if anything got merged") 3d0745e59c84 ("selftest: add a testcase of ksm zero pages") 1150ea933855 ("selftests/ksm: ksm_functional_tests: add prctl unmerge test") 07115fcc15b4 ("selftests/mm: add new selftests for KSM") 3822a7c40997 ("Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 8b8546d298dc9ce9d5d01a06c822e255d2159ca7 Mon Sep 17 00:00:00 2001 From: aigourensheng <shechenglong001(a)gmail.com> Date: Mon, 17 Jun 2024 01:29:34 -0400 Subject: [PATCH] selftests/mm:fix test_prctl_fork_exec return failure After calling fork() in test_prctl_fork_exec(), the global variable ksm_full_scans_fd is initialized to 0 in the child process upon entering the main function of ./ksm_functional_tests. In the function call chain test_child_ksm() -> __mmap_and_merge_range -> ksm_merge-> ksm_get_full_scans, start_scans = ksm_get_full_scans() will return an error. Therefore, the value of ksm_full_scans_fd needs to be initialized before calling test_child_ksm in the child process. Link: https://lkml.kernel.org/r/20240617052934.5834-1-shechenglong001@gmail.com Signed-off-by: aigourensheng <shechenglong001(a)gmail.com> Acked-by: David Hildenbrand <david(a)redhat.com> Cc: Shuah Khan <shuah(a)kernel.org> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/tools/testing/selftests/mm/ksm_functional_tests.c b/tools/testing/selftests/mm/ksm_functional_tests.c index 37de82da9be7..b61803e36d1c 100644 --- a/tools/testing/selftests/mm/ksm_functional_tests.c +++ b/tools/testing/selftests/mm/ksm_functional_tests.c @@ -656,24 +656,8 @@ static void test_prot_none(void) munmap(map, size); } -int main(int argc, char **argv) +static void init_global_file_handles(void) { - unsigned int tests = 8; - int err; - - if (argc > 1 && !strcmp(argv[1], FORK_EXEC_CHILD_PRG_NAME)) { - exit(test_child_ksm()); - } - -#ifdef __NR_userfaultfd - tests++; -#endif - - ksft_print_header(); - ksft_set_plan(tests); - - pagesize = getpagesize(); - mem_fd = open("/proc/self/mem", O_RDWR); if (mem_fd < 0) ksft_exit_fail_msg("opening /proc/self/mem failed\n"); @@ -688,8 +672,30 @@ int main(int argc, char **argv) ksft_exit_skip("open(\"/proc/self/pagemap\") failed\n"); proc_self_ksm_stat_fd = open("/proc/self/ksm_stat", O_RDONLY); proc_self_ksm_merging_pages_fd = open("/proc/self/ksm_merging_pages", - O_RDONLY); + O_RDONLY); ksm_use_zero_pages_fd = open("/sys/kernel/mm/ksm/use_zero_pages", O_RDWR); +} + +int main(int argc, char **argv) +{ + unsigned int tests = 8; + int err; + + if (argc > 1 && !strcmp(argv[1], FORK_EXEC_CHILD_PRG_NAME)) { + init_global_file_handles(); + exit(test_child_ksm()); + } + +#ifdef __NR_userfaultfd + tests++; +#endif + + ksft_print_header(); + ksft_set_plan(tests); + + pagesize = getpagesize(); + + init_global_file_handles(); test_unmerge(); test_unmerge_zero_pages();

1 year, 4 months

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FAILED: patch "[PATCH] selftests/mm:fix test_prctl_fork_exec return failure" failed to apply to 4.19-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 4.19-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-4.19.y git checkout FETCH_HEAD git cherry-pick -x 8b8546d298dc9ce9d5d01a06c822e255d2159ca7 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024070139-dupe-mandate-96fb@gregkh' --subject-prefix 'PATCH 4.19.y' HEAD^.. Possible dependencies: 8b8546d298dc ("selftests/mm:fix test_prctl_fork_exec return failure") 6c47de3be3a0 ("selftest/mm: ksm_functional_tests: extend test case for ksm fork/exec") 0374af1da077 ("mm/ksm: test case for prctl fork/exec workflow") e5013f11c6c9 ("selftest/mm: ksm_functional_tests: Add PROT_NONE test") 42096aa24b82 ("selftest/mm: ksm_functional_tests: test in mmap_and_merge_range() if anything got merged") 3d0745e59c84 ("selftest: add a testcase of ksm zero pages") 1150ea933855 ("selftests/ksm: ksm_functional_tests: add prctl unmerge test") 07115fcc15b4 ("selftests/mm: add new selftests for KSM") 3822a7c40997 ("Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 8b8546d298dc9ce9d5d01a06c822e255d2159ca7 Mon Sep 17 00:00:00 2001 From: aigourensheng <shechenglong001(a)gmail.com> Date: Mon, 17 Jun 2024 01:29:34 -0400 Subject: [PATCH] selftests/mm:fix test_prctl_fork_exec return failure After calling fork() in test_prctl_fork_exec(), the global variable ksm_full_scans_fd is initialized to 0 in the child process upon entering the main function of ./ksm_functional_tests. In the function call chain test_child_ksm() -> __mmap_and_merge_range -> ksm_merge-> ksm_get_full_scans, start_scans = ksm_get_full_scans() will return an error. Therefore, the value of ksm_full_scans_fd needs to be initialized before calling test_child_ksm in the child process. Link: https://lkml.kernel.org/r/20240617052934.5834-1-shechenglong001@gmail.com Signed-off-by: aigourensheng <shechenglong001(a)gmail.com> Acked-by: David Hildenbrand <david(a)redhat.com> Cc: Shuah Khan <shuah(a)kernel.org> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/tools/testing/selftests/mm/ksm_functional_tests.c b/tools/testing/selftests/mm/ksm_functional_tests.c index 37de82da9be7..b61803e36d1c 100644 --- a/tools/testing/selftests/mm/ksm_functional_tests.c +++ b/tools/testing/selftests/mm/ksm_functional_tests.c @@ -656,24 +656,8 @@ static void test_prot_none(void) munmap(map, size); } -int main(int argc, char **argv) +static void init_global_file_handles(void) { - unsigned int tests = 8; - int err; - - if (argc > 1 && !strcmp(argv[1], FORK_EXEC_CHILD_PRG_NAME)) { - exit(test_child_ksm()); - } - -#ifdef __NR_userfaultfd - tests++; -#endif - - ksft_print_header(); - ksft_set_plan(tests); - - pagesize = getpagesize(); - mem_fd = open("/proc/self/mem", O_RDWR); if (mem_fd < 0) ksft_exit_fail_msg("opening /proc/self/mem failed\n"); @@ -688,8 +672,30 @@ int main(int argc, char **argv) ksft_exit_skip("open(\"/proc/self/pagemap\") failed\n"); proc_self_ksm_stat_fd = open("/proc/self/ksm_stat", O_RDONLY); proc_self_ksm_merging_pages_fd = open("/proc/self/ksm_merging_pages", - O_RDONLY); + O_RDONLY); ksm_use_zero_pages_fd = open("/sys/kernel/mm/ksm/use_zero_pages", O_RDWR); +} + +int main(int argc, char **argv) +{ + unsigned int tests = 8; + int err; + + if (argc > 1 && !strcmp(argv[1], FORK_EXEC_CHILD_PRG_NAME)) { + init_global_file_handles(); + exit(test_child_ksm()); + } + +#ifdef __NR_userfaultfd + tests++; +#endif + + ksft_print_header(); + ksft_set_plan(tests); + + pagesize = getpagesize(); + + init_global_file_handles(); test_unmerge(); test_unmerge_zero_pages();

1 year, 4 months

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FAILED: patch "[PATCH] selftests/mm:fix test_prctl_fork_exec return failure" failed to apply to 5.10-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x 8b8546d298dc9ce9d5d01a06c822e255d2159ca7 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024070138-maximum-booting-2a24@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^.. Possible dependencies: 8b8546d298dc ("selftests/mm:fix test_prctl_fork_exec return failure") 6c47de3be3a0 ("selftest/mm: ksm_functional_tests: extend test case for ksm fork/exec") 0374af1da077 ("mm/ksm: test case for prctl fork/exec workflow") e5013f11c6c9 ("selftest/mm: ksm_functional_tests: Add PROT_NONE test") 42096aa24b82 ("selftest/mm: ksm_functional_tests: test in mmap_and_merge_range() if anything got merged") 3d0745e59c84 ("selftest: add a testcase of ksm zero pages") 1150ea933855 ("selftests/ksm: ksm_functional_tests: add prctl unmerge test") 07115fcc15b4 ("selftests/mm: add new selftests for KSM") 3822a7c40997 ("Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 8b8546d298dc9ce9d5d01a06c822e255d2159ca7 Mon Sep 17 00:00:00 2001 From: aigourensheng <shechenglong001(a)gmail.com> Date: Mon, 17 Jun 2024 01:29:34 -0400 Subject: [PATCH] selftests/mm:fix test_prctl_fork_exec return failure After calling fork() in test_prctl_fork_exec(), the global variable ksm_full_scans_fd is initialized to 0 in the child process upon entering the main function of ./ksm_functional_tests. In the function call chain test_child_ksm() -> __mmap_and_merge_range -> ksm_merge-> ksm_get_full_scans, start_scans = ksm_get_full_scans() will return an error. Therefore, the value of ksm_full_scans_fd needs to be initialized before calling test_child_ksm in the child process. Link: https://lkml.kernel.org/r/20240617052934.5834-1-shechenglong001@gmail.com Signed-off-by: aigourensheng <shechenglong001(a)gmail.com> Acked-by: David Hildenbrand <david(a)redhat.com> Cc: Shuah Khan <shuah(a)kernel.org> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/tools/testing/selftests/mm/ksm_functional_tests.c b/tools/testing/selftests/mm/ksm_functional_tests.c index 37de82da9be7..b61803e36d1c 100644 --- a/tools/testing/selftests/mm/ksm_functional_tests.c +++ b/tools/testing/selftests/mm/ksm_functional_tests.c @@ -656,24 +656,8 @@ static void test_prot_none(void) munmap(map, size); } -int main(int argc, char **argv) +static void init_global_file_handles(void) { - unsigned int tests = 8; - int err; - - if (argc > 1 && !strcmp(argv[1], FORK_EXEC_CHILD_PRG_NAME)) { - exit(test_child_ksm()); - } - -#ifdef __NR_userfaultfd - tests++; -#endif - - ksft_print_header(); - ksft_set_plan(tests); - - pagesize = getpagesize(); - mem_fd = open("/proc/self/mem", O_RDWR); if (mem_fd < 0) ksft_exit_fail_msg("opening /proc/self/mem failed\n"); @@ -688,8 +672,30 @@ int main(int argc, char **argv) ksft_exit_skip("open(\"/proc/self/pagemap\") failed\n"); proc_self_ksm_stat_fd = open("/proc/self/ksm_stat", O_RDONLY); proc_self_ksm_merging_pages_fd = open("/proc/self/ksm_merging_pages", - O_RDONLY); + O_RDONLY); ksm_use_zero_pages_fd = open("/sys/kernel/mm/ksm/use_zero_pages", O_RDWR); +} + +int main(int argc, char **argv) +{ + unsigned int tests = 8; + int err; + + if (argc > 1 && !strcmp(argv[1], FORK_EXEC_CHILD_PRG_NAME)) { + init_global_file_handles(); + exit(test_child_ksm()); + } + +#ifdef __NR_userfaultfd + tests++; +#endif + + ksft_print_header(); + ksft_set_plan(tests); + + pagesize = getpagesize(); + + init_global_file_handles(); test_unmerge(); test_unmerge_zero_pages();

1 year, 4 months

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FAILED: patch "[PATCH] selftests/mm:fix test_prctl_fork_exec return failure" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 8b8546d298dc9ce9d5d01a06c822e255d2159ca7 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024070137-bolster-virtual-0e64@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: 8b8546d298dc ("selftests/mm:fix test_prctl_fork_exec return failure") 6c47de3be3a0 ("selftest/mm: ksm_functional_tests: extend test case for ksm fork/exec") 0374af1da077 ("mm/ksm: test case for prctl fork/exec workflow") e5013f11c6c9 ("selftest/mm: ksm_functional_tests: Add PROT_NONE test") 42096aa24b82 ("selftest/mm: ksm_functional_tests: test in mmap_and_merge_range() if anything got merged") 3d0745e59c84 ("selftest: add a testcase of ksm zero pages") 1150ea933855 ("selftests/ksm: ksm_functional_tests: add prctl unmerge test") 07115fcc15b4 ("selftests/mm: add new selftests for KSM") 3822a7c40997 ("Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 8b8546d298dc9ce9d5d01a06c822e255d2159ca7 Mon Sep 17 00:00:00 2001 From: aigourensheng <shechenglong001(a)gmail.com> Date: Mon, 17 Jun 2024 01:29:34 -0400 Subject: [PATCH] selftests/mm:fix test_prctl_fork_exec return failure After calling fork() in test_prctl_fork_exec(), the global variable ksm_full_scans_fd is initialized to 0 in the child process upon entering the main function of ./ksm_functional_tests. In the function call chain test_child_ksm() -> __mmap_and_merge_range -> ksm_merge-> ksm_get_full_scans, start_scans = ksm_get_full_scans() will return an error. Therefore, the value of ksm_full_scans_fd needs to be initialized before calling test_child_ksm in the child process. Link: https://lkml.kernel.org/r/20240617052934.5834-1-shechenglong001@gmail.com Signed-off-by: aigourensheng <shechenglong001(a)gmail.com> Acked-by: David Hildenbrand <david(a)redhat.com> Cc: Shuah Khan <shuah(a)kernel.org> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/tools/testing/selftests/mm/ksm_functional_tests.c b/tools/testing/selftests/mm/ksm_functional_tests.c index 37de82da9be7..b61803e36d1c 100644 --- a/tools/testing/selftests/mm/ksm_functional_tests.c +++ b/tools/testing/selftests/mm/ksm_functional_tests.c @@ -656,24 +656,8 @@ static void test_prot_none(void) munmap(map, size); } -int main(int argc, char **argv) +static void init_global_file_handles(void) { - unsigned int tests = 8; - int err; - - if (argc > 1 && !strcmp(argv[1], FORK_EXEC_CHILD_PRG_NAME)) { - exit(test_child_ksm()); - } - -#ifdef __NR_userfaultfd - tests++; -#endif - - ksft_print_header(); - ksft_set_plan(tests); - - pagesize = getpagesize(); - mem_fd = open("/proc/self/mem", O_RDWR); if (mem_fd < 0) ksft_exit_fail_msg("opening /proc/self/mem failed\n"); @@ -688,8 +672,30 @@ int main(int argc, char **argv) ksft_exit_skip("open(\"/proc/self/pagemap\") failed\n"); proc_self_ksm_stat_fd = open("/proc/self/ksm_stat", O_RDONLY); proc_self_ksm_merging_pages_fd = open("/proc/self/ksm_merging_pages", - O_RDONLY); + O_RDONLY); ksm_use_zero_pages_fd = open("/sys/kernel/mm/ksm/use_zero_pages", O_RDWR); +} + +int main(int argc, char **argv) +{ + unsigned int tests = 8; + int err; + + if (argc > 1 && !strcmp(argv[1], FORK_EXEC_CHILD_PRG_NAME)) { + init_global_file_handles(); + exit(test_child_ksm()); + } + +#ifdef __NR_userfaultfd + tests++; +#endif + + ksft_print_header(); + ksft_set_plan(tests); + + pagesize = getpagesize(); + + init_global_file_handles(); test_unmerge(); test_unmerge_zero_pages();

1 year, 4 months

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FAILED: patch "[PATCH] selftests/mm:fix test_prctl_fork_exec return failure" failed to apply to 6.6-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.6-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x 8b8546d298dc9ce9d5d01a06c822e255d2159ca7 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024070135-gave-hatchback-24d5@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^.. Possible dependencies: 8b8546d298dc ("selftests/mm:fix test_prctl_fork_exec return failure") 6c47de3be3a0 ("selftest/mm: ksm_functional_tests: extend test case for ksm fork/exec") 0374af1da077 ("mm/ksm: test case for prctl fork/exec workflow") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 8b8546d298dc9ce9d5d01a06c822e255d2159ca7 Mon Sep 17 00:00:00 2001 From: aigourensheng <shechenglong001(a)gmail.com> Date: Mon, 17 Jun 2024 01:29:34 -0400 Subject: [PATCH] selftests/mm:fix test_prctl_fork_exec return failure After calling fork() in test_prctl_fork_exec(), the global variable ksm_full_scans_fd is initialized to 0 in the child process upon entering the main function of ./ksm_functional_tests. In the function call chain test_child_ksm() -> __mmap_and_merge_range -> ksm_merge-> ksm_get_full_scans, start_scans = ksm_get_full_scans() will return an error. Therefore, the value of ksm_full_scans_fd needs to be initialized before calling test_child_ksm in the child process. Link: https://lkml.kernel.org/r/20240617052934.5834-1-shechenglong001@gmail.com Signed-off-by: aigourensheng <shechenglong001(a)gmail.com> Acked-by: David Hildenbrand <david(a)redhat.com> Cc: Shuah Khan <shuah(a)kernel.org> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/tools/testing/selftests/mm/ksm_functional_tests.c b/tools/testing/selftests/mm/ksm_functional_tests.c index 37de82da9be7..b61803e36d1c 100644 --- a/tools/testing/selftests/mm/ksm_functional_tests.c +++ b/tools/testing/selftests/mm/ksm_functional_tests.c @@ -656,24 +656,8 @@ static void test_prot_none(void) munmap(map, size); } -int main(int argc, char **argv) +static void init_global_file_handles(void) { - unsigned int tests = 8; - int err; - - if (argc > 1 && !strcmp(argv[1], FORK_EXEC_CHILD_PRG_NAME)) { - exit(test_child_ksm()); - } - -#ifdef __NR_userfaultfd - tests++; -#endif - - ksft_print_header(); - ksft_set_plan(tests); - - pagesize = getpagesize(); - mem_fd = open("/proc/self/mem", O_RDWR); if (mem_fd < 0) ksft_exit_fail_msg("opening /proc/self/mem failed\n"); @@ -688,8 +672,30 @@ int main(int argc, char **argv) ksft_exit_skip("open(\"/proc/self/pagemap\") failed\n"); proc_self_ksm_stat_fd = open("/proc/self/ksm_stat", O_RDONLY); proc_self_ksm_merging_pages_fd = open("/proc/self/ksm_merging_pages", - O_RDONLY); + O_RDONLY); ksm_use_zero_pages_fd = open("/sys/kernel/mm/ksm/use_zero_pages", O_RDWR); +} + +int main(int argc, char **argv) +{ + unsigned int tests = 8; + int err; + + if (argc > 1 && !strcmp(argv[1], FORK_EXEC_CHILD_PRG_NAME)) { + init_global_file_handles(); + exit(test_child_ksm()); + } + +#ifdef __NR_userfaultfd + tests++; +#endif + + ksft_print_header(); + ksft_set_plan(tests); + + pagesize = getpagesize(); + + init_global_file_handles(); test_unmerge(); test_unmerge_zero_pages();

1 year, 4 months

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FAILED: patch "[PATCH] selftests/mm:fix test_prctl_fork_exec return failure" failed to apply to 6.1-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x 8b8546d298dc9ce9d5d01a06c822e255d2159ca7 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024070136-gravity-exorcism-b086@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. Possible dependencies: 8b8546d298dc ("selftests/mm:fix test_prctl_fork_exec return failure") 6c47de3be3a0 ("selftest/mm: ksm_functional_tests: extend test case for ksm fork/exec") 0374af1da077 ("mm/ksm: test case for prctl fork/exec workflow") e5013f11c6c9 ("selftest/mm: ksm_functional_tests: Add PROT_NONE test") 42096aa24b82 ("selftest/mm: ksm_functional_tests: test in mmap_and_merge_range() if anything got merged") 3d0745e59c84 ("selftest: add a testcase of ksm zero pages") 1150ea933855 ("selftests/ksm: ksm_functional_tests: add prctl unmerge test") 07115fcc15b4 ("selftests/mm: add new selftests for KSM") 3822a7c40997 ("Merge tag 'mm-stable-2023-02-20-13-37' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 8b8546d298dc9ce9d5d01a06c822e255d2159ca7 Mon Sep 17 00:00:00 2001 From: aigourensheng <shechenglong001(a)gmail.com> Date: Mon, 17 Jun 2024 01:29:34 -0400 Subject: [PATCH] selftests/mm:fix test_prctl_fork_exec return failure After calling fork() in test_prctl_fork_exec(), the global variable ksm_full_scans_fd is initialized to 0 in the child process upon entering the main function of ./ksm_functional_tests. In the function call chain test_child_ksm() -> __mmap_and_merge_range -> ksm_merge-> ksm_get_full_scans, start_scans = ksm_get_full_scans() will return an error. Therefore, the value of ksm_full_scans_fd needs to be initialized before calling test_child_ksm in the child process. Link: https://lkml.kernel.org/r/20240617052934.5834-1-shechenglong001@gmail.com Signed-off-by: aigourensheng <shechenglong001(a)gmail.com> Acked-by: David Hildenbrand <david(a)redhat.com> Cc: Shuah Khan <shuah(a)kernel.org> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/tools/testing/selftests/mm/ksm_functional_tests.c b/tools/testing/selftests/mm/ksm_functional_tests.c index 37de82da9be7..b61803e36d1c 100644 --- a/tools/testing/selftests/mm/ksm_functional_tests.c +++ b/tools/testing/selftests/mm/ksm_functional_tests.c @@ -656,24 +656,8 @@ static void test_prot_none(void) munmap(map, size); } -int main(int argc, char **argv) +static void init_global_file_handles(void) { - unsigned int tests = 8; - int err; - - if (argc > 1 && !strcmp(argv[1], FORK_EXEC_CHILD_PRG_NAME)) { - exit(test_child_ksm()); - } - -#ifdef __NR_userfaultfd - tests++; -#endif - - ksft_print_header(); - ksft_set_plan(tests); - - pagesize = getpagesize(); - mem_fd = open("/proc/self/mem", O_RDWR); if (mem_fd < 0) ksft_exit_fail_msg("opening /proc/self/mem failed\n"); @@ -688,8 +672,30 @@ int main(int argc, char **argv) ksft_exit_skip("open(\"/proc/self/pagemap\") failed\n"); proc_self_ksm_stat_fd = open("/proc/self/ksm_stat", O_RDONLY); proc_self_ksm_merging_pages_fd = open("/proc/self/ksm_merging_pages", - O_RDONLY); + O_RDONLY); ksm_use_zero_pages_fd = open("/sys/kernel/mm/ksm/use_zero_pages", O_RDWR); +} + +int main(int argc, char **argv) +{ + unsigned int tests = 8; + int err; + + if (argc > 1 && !strcmp(argv[1], FORK_EXEC_CHILD_PRG_NAME)) { + init_global_file_handles(); + exit(test_child_ksm()); + } + +#ifdef __NR_userfaultfd + tests++; +#endif + + ksft_print_header(); + ksft_set_plan(tests); + + pagesize = getpagesize(); + + init_global_file_handles(); test_unmerge(); test_unmerge_zero_pages();

1 year, 4 months

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FAILED: patch "[PATCH] selftests/mm:fix test_prctl_fork_exec return failure" failed to apply to 6.9-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.9-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.9.y git checkout FETCH_HEAD git cherry-pick -x 8b8546d298dc9ce9d5d01a06c822e255d2159ca7 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024070135-poster-twirl-bd75@gregkh' --subject-prefix 'PATCH 6.9.y' HEAD^.. Possible dependencies: 8b8546d298dc ("selftests/mm:fix test_prctl_fork_exec return failure") 6c47de3be3a0 ("selftest/mm: ksm_functional_tests: extend test case for ksm fork/exec") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 8b8546d298dc9ce9d5d01a06c822e255d2159ca7 Mon Sep 17 00:00:00 2001 From: aigourensheng <shechenglong001(a)gmail.com> Date: Mon, 17 Jun 2024 01:29:34 -0400 Subject: [PATCH] selftests/mm:fix test_prctl_fork_exec return failure After calling fork() in test_prctl_fork_exec(), the global variable ksm_full_scans_fd is initialized to 0 in the child process upon entering the main function of ./ksm_functional_tests. In the function call chain test_child_ksm() -> __mmap_and_merge_range -> ksm_merge-> ksm_get_full_scans, start_scans = ksm_get_full_scans() will return an error. Therefore, the value of ksm_full_scans_fd needs to be initialized before calling test_child_ksm in the child process. Link: https://lkml.kernel.org/r/20240617052934.5834-1-shechenglong001@gmail.com Signed-off-by: aigourensheng <shechenglong001(a)gmail.com> Acked-by: David Hildenbrand <david(a)redhat.com> Cc: Shuah Khan <shuah(a)kernel.org> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> diff --git a/tools/testing/selftests/mm/ksm_functional_tests.c b/tools/testing/selftests/mm/ksm_functional_tests.c index 37de82da9be7..b61803e36d1c 100644 --- a/tools/testing/selftests/mm/ksm_functional_tests.c +++ b/tools/testing/selftests/mm/ksm_functional_tests.c @@ -656,24 +656,8 @@ static void test_prot_none(void) munmap(map, size); } -int main(int argc, char **argv) +static void init_global_file_handles(void) { - unsigned int tests = 8; - int err; - - if (argc > 1 && !strcmp(argv[1], FORK_EXEC_CHILD_PRG_NAME)) { - exit(test_child_ksm()); - } - -#ifdef __NR_userfaultfd - tests++; -#endif - - ksft_print_header(); - ksft_set_plan(tests); - - pagesize = getpagesize(); - mem_fd = open("/proc/self/mem", O_RDWR); if (mem_fd < 0) ksft_exit_fail_msg("opening /proc/self/mem failed\n"); @@ -688,8 +672,30 @@ int main(int argc, char **argv) ksft_exit_skip("open(\"/proc/self/pagemap\") failed\n"); proc_self_ksm_stat_fd = open("/proc/self/ksm_stat", O_RDONLY); proc_self_ksm_merging_pages_fd = open("/proc/self/ksm_merging_pages", - O_RDONLY); + O_RDONLY); ksm_use_zero_pages_fd = open("/sys/kernel/mm/ksm/use_zero_pages", O_RDWR); +} + +int main(int argc, char **argv) +{ + unsigned int tests = 8; + int err; + + if (argc > 1 && !strcmp(argv[1], FORK_EXEC_CHILD_PRG_NAME)) { + init_global_file_handles(); + exit(test_child_ksm()); + } + +#ifdef __NR_userfaultfd + tests++; +#endif + + ksft_print_header(); + ksft_set_plan(tests); + + pagesize = getpagesize(); + + init_global_file_handles(); test_unmerge(); test_unmerge_zero_pages();

1 year, 4 months

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FAILED: patch "[PATCH] pinctrl: qcom: spmi-gpio: drop broken pm8008 support" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 8da86499d4cd125a9561f9cd1de7fba99b0aecbf # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2024070103-sitter-headscarf-8dcb@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: 8da86499d4cd ("pinctrl: qcom: spmi-gpio: drop broken pm8008 support") f347438356e1 ("pinctrl: qcom-pmic-gpio: Add support for pm8019") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 8da86499d4cd125a9561f9cd1de7fba99b0aecbf Mon Sep 17 00:00:00 2001 From: Johan Hovold <johan+linaro(a)kernel.org> Date: Wed, 29 May 2024 18:29:52 +0200 Subject: [PATCH] pinctrl: qcom: spmi-gpio: drop broken pm8008 support The SPMI GPIO driver assumes that the parent device is an SPMI device and accesses random data when backcasting the parent struct device pointer for non-SPMI devices. Fortunately this does not seem to cause any issues currently when the parent device is an I2C client like the PM8008, but this could change if the structures are reorganised (e.g. using structure randomisation). Notably the interrupt implementation is also broken for non-SPMI devices. Also note that the two GPIO pins on PM8008 are used for interrupts and reset so their practical use should be limited. Drop the broken GPIO support for PM8008 for now. Fixes: ea119e5a482a ("pinctrl: qcom-pmic-gpio: Add support for pm8008") Cc: stable(a)vger.kernel.org # 5.13 Reviewed-by: Bryan O'Donoghue <bryan.odonoghue(a)linaro.org> Reviewed-by: Stephen Boyd <swboyd(a)chromium.org> Signed-off-by: Johan Hovold <johan+linaro(a)kernel.org> Link: https://lore.kernel.org/r/20240529162958.18081-9-johan+linaro@kernel.org Signed-off-by: Linus Walleij <linus.walleij(a)linaro.org> diff --git a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c index 4e80c7204e5f..4abd6f18bbef 100644 --- a/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c +++ b/drivers/pinctrl/qcom/pinctrl-spmi-gpio.c @@ -1207,7 +1207,6 @@ static const struct of_device_id pmic_gpio_of_match[] = { { .compatible = "qcom,pm7325-gpio", .data = (void *) 10 }, { .compatible = "qcom,pm7550ba-gpio", .data = (void *) 8}, { .compatible = "qcom,pm8005-gpio", .data = (void *) 4 }, - { .compatible = "qcom,pm8008-gpio", .data = (void *) 2 }, { .compatible = "qcom,pm8019-gpio", .data = (void *) 6 }, /* pm8150 has 10 GPIOs with holes on 2, 5, 7 and 8 */ { .compatible = "qcom,pm8150-gpio", .data = (void *) 10 },

1 year, 4 months

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Please backport 2ae5c9248e06 ("wifi: mac80211: Use flexible array in struct ieee80211_tim_ie")

by Jeff Johnson

Refer to: https://lore.kernel.org/all/CAPh3n83zb1PwFBFijJKChBqY95zzpYh=2iPf8tmh=YTS6e… Looks like this should be backported to all LTS kernels where FORTIFY_SOURCE is expected to be enabled. /jeff

1 year, 4 months

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