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[PATCH net-next v2 0/2] net: visibility of memory limits in netns

by technoboy85＠gmail.com

From: Matteo Croce <teknoraver(a)meta.com> Some programs need to know the size of the network buffers to operate correctly, export the following sysctls read-only in network namespaces: - net.core.rmem_default - net.core.rmem_max - net.core.wmem_default - net.core.wmem_max Matteo Croce (2): net: make net.core.{r,w}mem_{default,max} namespaced selftests: net: tests net.core.{r,w}mem_{default,max} sysctls in a netns changes from v1: - added SPDX header to test - rewrite test with more detailed error messages net/core/sysctl_net_core.c | 75 ++++++++++++--------- tools/testing/selftests/net/Makefile | 1 + tools/testing/selftests/net/netns-sysctl.sh | 40 +++++++++++ 3 files changed, 83 insertions(+), 33 deletions(-) create mode 100755 tools/testing/selftests/net/netns-sysctl.sh -- 2.45.1

11 months

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[PATCH V2] rcutorture: Add CFcommon.arch for the various arch's need

by Zhouyi Zhou

Add CFcommon.arch for the various arch's need for rcutorture. According to [1] and [2], this patch Fixes: a6fda6dab93c ("rcutorture: Tweak kvm options") by moving x86 specific kernel option CONFIG_HYPERVISOR_GUEST to CFcommon.x86 [1] https://lore.kernel.org/all/20240427005626.1365935-1-zhouzhouyi@gmail.com/ [2] https://lore.kernel.org/all/059d36ce-6453-42be-a31e-895abd35d590@paulmck-la… Tested in x86_64 and PPC VM of Open Source Lab of Oregon State University. Signed-off-by: Zhouyi Zhou <zhouzhouyi(a)gmail.com> --- Hi Paul, I tried very hard to find in Linux kernel on how to dig out the x86 specific kernel option CONFIG_HYPERVISOR_GUEST before configcheck.sh generates ConfigFragment.diags. I can only find this functionality in scripts/kconfig/conf which travels the Kconfig hierarchy. But the output of scripts/kconfig/conf, which is .config is also one of the input of configcheck.sh: ``` kvm-recheck.sh: configcheck.sh $i/.config $i/ConfigFragment > $i/ConfigFragment.diags 2>&1 ``` I feel some logic paradox in it ;-) So, I pick the simplest way. One more thing, recent change in include/linux/bitmap.h cause the make of allmodconfig fail because of warning on both x86 platforms, I am going to do research on it. Thank your for your guidance Zhouyi -- tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh | 9 +++++++++ tools/testing/selftests/rcutorture/configs/rcu/CFcommon | 1 - .../selftests/rcutorture/configs/rcu/CFcommon.x86 | 1 + 3 files changed, 10 insertions(+), 1 deletion(-) create mode 100644 tools/testing/selftests/rcutorture/configs/rcu/CFcommon.x86 diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh index b33cd8753689..5332224238ba 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh @@ -62,6 +62,15 @@ config_override_param () { } echo > $T/KcList +if uname -m | grep -q 86 +# TODO: add other architecture-specific common configuration when needed +then + if test -f $config_dir/CFcommon.x86 + then + config_override_param "$config_dir/CFcommon.x86" KcList\ + "`cat $config_dir/CFcommon.x86 2> /dev/null`" + fi +fi config_override_param "$config_dir/CFcommon" KcList "`cat $config_dir/CFcommon 2> /dev/null`" config_override_param "$config_template" KcList "`cat $config_template 2> /dev/null`" config_override_param "--gdb options" KcList "$TORTURE_KCONFIG_GDB_ARG" diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFcommon b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon index 0e92d85313aa..cf0387ae5358 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/CFcommon +++ b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon @@ -1,6 +1,5 @@ CONFIG_RCU_TORTURE_TEST=y CONFIG_PRINTK_TIME=y -CONFIG_HYPERVISOR_GUEST=y CONFIG_PARAVIRT=y CONFIG_KVM_GUEST=y CONFIG_KCSAN_ASSUME_PLAIN_WRITES_ATOMIC=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFcommon.x86 b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon.x86 new file mode 100644 index 000000000000..2770560d56a0 --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon.x86 @@ -0,0 +1 @@ +CONFIG_HYPERVISOR_GUEST=y -- 2.25.1

11 months

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[PATCH] list: test: remove unused struct 'klist_test_struct'

by linux＠treblig.org

From: "Dr. David Alan Gilbert" <linux(a)treblig.org> 'klist_test_struct' has been unused since the original commit 57b4f760f94d ("list: test: Test the klist structure"). Remove it. Signed-off-by: Dr. David Alan Gilbert <linux(a)treblig.org> --- lib/list-test.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/lib/list-test.c b/lib/list-test.c index 0cc27de9cec8..383ee0ad582e 100644 --- a/lib/list-test.c +++ b/lib/list-test.c @@ -1201,12 +1201,6 @@ static struct kunit_suite hlist_test_module = { }; -struct klist_test_struct { - int data; - struct klist klist; - struct klist_node klist_node; -}; - static int node_count; static struct klist_node *last_node; -- 2.45.1

11 months

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kselftest/fixes kselftest-seccomp: 5 runs, 1 regressions (v6.10-rc1-11-g4bf15b1c657d2)

by kernelci.org bot

kselftest/fixes kselftest-seccomp: 5 runs, 1 regressions (v6.10-rc1-11-g4bf15b1c657d2) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+-------------+----------+---------------------+------------ meson-gxl-s905x-libretech-cc | arm64 | lab-broonie | gcc-10 | defconfig+kselftest | 1 Details: https://kernelci.org/test/job/kselftest/branch/fixes/kernel/v6.10-rc1-11-g4… Test: kselftest-seccomp Tree: kselftest Branch: fixes Describe: v6.10-rc1-11-g4bf15b1c657d2 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: 4bf15b1c657d22d1d70173e43264e4606dfe75ff Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+-------------+----------+---------------------+------------ meson-gxl-s905x-libretech-cc | arm64 | lab-broonie | gcc-10 | defconfig+kselftest | 1 Details: https://kernelci.org/test/plan/id/665a7398431722871e7e7074 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest Compiler: gcc-10 (aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110) Plain log: https://storage.kernelci.org//kselftest/fixes/v6.10-rc1-11-g4bf15b1c657d2/a… HTML log: https://storage.kernelci.org//kselftest/fixes/v6.10-rc1-11-g4bf15b1c657d2/a… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bookworm-kselftest/2024031… * kselftest-seccomp.login: https://kernelci.org/test/case/id/665a7398431722871e7e7075 new failure (last pass: v6.10-rc1-9-g0f42bdf59b4e4)

11 months

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kselftest/fixes kselftest-livepatch: 2 runs, 1 regressions (v6.10-rc1-11-g4bf15b1c657d2)

by kernelci.org bot

kselftest/fixes kselftest-livepatch: 2 runs, 1 regressions (v6.10-rc1-11-g4bf15b1c657d2) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions ----------------+------+---------------+----------+------------------------------+------------ imx6q-sabrelite | arm | lab-collabora | gcc-10 | multi_v7_defconfig+kselftest | 1 Details: https://kernelci.org/test/job/kselftest/branch/fixes/kernel/v6.10-rc1-11-g4… Test: kselftest-livepatch Tree: kselftest Branch: fixes Describe: v6.10-rc1-11-g4bf15b1c657d2 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: 4bf15b1c657d22d1d70173e43264e4606dfe75ff Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions ----------------+------+---------------+----------+------------------------------+------------ imx6q-sabrelite | arm | lab-collabora | gcc-10 | multi_v7_defconfig+kselftest | 1 Details: https://kernelci.org/test/plan/id/665a6b892d801e28807e706d Results: 1 PASS, 1 FAIL, 0 SKIP Full config: multi_v7_defconfig+kselftest Compiler: gcc-10 (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110) Plain log: https://storage.kernelci.org//kselftest/fixes/v6.10-rc1-11-g4bf15b1c657d2/a… HTML log: https://storage.kernelci.org//kselftest/fixes/v6.10-rc1-11-g4bf15b1c657d2/a… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bookworm-kselftest/2024031… * kselftest-livepatch.shardfile-livepatch: https://kernelci.org/test/case/id/665a6b892d801e28807e706f failing since 59 days (last pass: v6.8-rc1-4-gb54761f6e9773, first fail: linux_kselftest-fixes-6.9-rc2) 2024-06-01T00:39:18.168845 / # 2024-06-01T00:39:18.178718 2024-06-01T00:39:23.322490 / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/14114904/extract-nfsrootfs-x238udv9' 2024-06-01T00:39:23.338757 export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/14114904/extract-nfsrootfs-x238udv9' 2024-06-01T00:39:25.565503 / # export NFS_SERVER_IP='192.168.201.1' 2024-06-01T00:39:25.576358 export NFS_SERVER_IP='192.168.201.1' 2024-06-01T00:39:25.695059 / # # 2024-06-01T00:39:25.703518 # 2024-06-01T00:39:25.821124 / # export SHELL=/bin/bash 2024-06-01T00:39:25.831491 export SHELL=/bin/bash ... (86 line(s) more)

11 months

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kselftest/fixes kselftest-lkdtm: 6 runs, 1 regressions (v6.10-rc1-11-g4bf15b1c657d2)

by kernelci.org bot

kselftest/fixes kselftest-lkdtm: 6 runs, 1 regressions (v6.10-rc1-11-g4bf15b1c657d2) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions ----------------+-------+---------------+----------+------------------------------+------------ mt8173-elm-hana | arm64 | lab-collabora | gcc-10 | defconfig+kse...4-chromebook | 1 Details: https://kernelci.org/test/job/kselftest/branch/fixes/kernel/v6.10-rc1-11-g4… Test: kselftest-lkdtm Tree: kselftest Branch: fixes Describe: v6.10-rc1-11-g4bf15b1c657d2 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: 4bf15b1c657d22d1d70173e43264e4606dfe75ff Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions ----------------+-------+---------------+----------+------------------------------+------------ mt8173-elm-hana | arm64 | lab-collabora | gcc-10 | defconfig+kse...4-chromebook | 1 Details: https://kernelci.org/test/plan/id/665a6e1c29beed0e797e706d Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest+arm64-chromebook Compiler: gcc-10 (aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110) Plain log: https://storage.kernelci.org//kselftest/fixes/v6.10-rc1-11-g4bf15b1c657d2/a… HTML log: https://storage.kernelci.org//kselftest/fixes/v6.10-rc1-11-g4bf15b1c657d2/a… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bookworm-kselftest/2024031… * kselftest-lkdtm.login: https://kernelci.org/test/case/id/665a6e1c29beed0e797e706e new failure (last pass: v6.10-rc1-9-g0f42bdf59b4e4)

11 months

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kselftest/fixes kselftest-lib: 4 runs, 1 regressions (v6.10-rc1-11-g4bf15b1c657d2)

by kernelci.org bot

kselftest/fixes kselftest-lib: 4 runs, 1 regressions (v6.10-rc1-11-g4bf15b1c657d2) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+-------------+----------+---------------------+------------ meson-gxl-s905x-libretech-cc | arm64 | lab-broonie | gcc-10 | defconfig+kselftest | 1 Details: https://kernelci.org/test/job/kselftest/branch/fixes/kernel/v6.10-rc1-11-g4… Test: kselftest-lib Tree: kselftest Branch: fixes Describe: v6.10-rc1-11-g4bf15b1c657d2 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: 4bf15b1c657d22d1d70173e43264e4606dfe75ff Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+-------------+----------+---------------------+------------ meson-gxl-s905x-libretech-cc | arm64 | lab-broonie | gcc-10 | defconfig+kselftest | 1 Details: https://kernelci.org/test/plan/id/665a769156859895ef7e7080 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest Compiler: gcc-10 (aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110) Plain log: https://storage.kernelci.org//kselftest/fixes/v6.10-rc1-11-g4bf15b1c657d2/a… HTML log: https://storage.kernelci.org//kselftest/fixes/v6.10-rc1-11-g4bf15b1c657d2/a… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bookworm-kselftest/2024031… * kselftest-lib.login: https://kernelci.org/test/case/id/665a769156859895ef7e7081 new failure (last pass: v6.10-rc1-9-g0f42bdf59b4e4)

11 months

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kselftest/fixes kselftest-cpufreq: 9 runs, 1 regressions (v6.10-rc1-11-g4bf15b1c657d2)

by kernelci.org bot

kselftest/fixes kselftest-cpufreq: 9 runs, 1 regressions (v6.10-rc1-11-g4bf15b1c657d2) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+-------------+----------+---------------------+------------ meson-gxl-s905x-libretech-cc | arm64 | lab-broonie | gcc-10 | defconfig+kselftest | 1 Details: https://kernelci.org/test/job/kselftest/branch/fixes/kernel/v6.10-rc1-11-g4… Test: kselftest-cpufreq Tree: kselftest Branch: fixes Describe: v6.10-rc1-11-g4bf15b1c657d2 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: 4bf15b1c657d22d1d70173e43264e4606dfe75ff Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions -----------------------------+-------+-------------+----------+---------------------+------------ meson-gxl-s905x-libretech-cc | arm64 | lab-broonie | gcc-10 | defconfig+kselftest | 1 Details: https://kernelci.org/test/plan/id/665a7911e0ab3de6777e7073 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest Compiler: gcc-10 (aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110) Plain log: https://storage.kernelci.org//kselftest/fixes/v6.10-rc1-11-g4bf15b1c657d2/a… HTML log: https://storage.kernelci.org//kselftest/fixes/v6.10-rc1-11-g4bf15b1c657d2/a… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bookworm-kselftest/2024031… * kselftest-cpufreq.login: https://kernelci.org/test/case/id/665a7911e0ab3de6777e7074 failing since 0 day (last pass: v6.10-rc1, first fail: v6.10-rc1-9-g0f42bdf59b4e4)

11 months

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kselftest/fixes build: 6 builds: 0 failed, 6 passed, 1 warning (v6.10-rc1-11-g4bf15b1c657d2)

by kernelci.org bot

kselftest/fixes build: 6 builds: 0 failed, 6 passed, 1 warning (v6.10-rc1-11-g4bf15b1c657d2) Full Build Summary: https://kernelci.org/build/kselftest/branch/fixes/kernel/v6.10-rc1-11-g4bf1… Tree: kselftest Branch: fixes Git Describe: v6.10-rc1-11-g4bf15b1c657d2 Git Commit: 4bf15b1c657d22d1d70173e43264e4606dfe75ff Git URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git Built: 4 unique architectures Warnings Detected: arm64: arm: i386: x86_64: x86_64_defconfig+kselftest (clang-16): 1 warning Warnings summary: 1 vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x39: relocation to !ENDBR: .text+0x14cf94 ================================================================================ Detailed per-defconfig build reports: -------------------------------------------------------------------------------- defconfig+kselftest (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- defconfig+kselftest+arm64-chromebook (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- i386_defconfig+kselftest (i386, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- multi_v7_defconfig+kselftest (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- x86_64_defconfig+kselftest (x86_64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- x86_64_defconfig+kselftest (x86_64, clang-16) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x39: relocation to !ENDBR: .text+0x14cf94 --- For more info write to <info(a)kernelci.org>

11 months

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[PATCH v3 0/3] selftests/futex: clang-inspired fixes

by John Hubbard

Hi, Here's a few fixes that are part of my effort to get all selftests building cleanly under clang. Plus one that I noticed by inspection. Changes since v2: 1) Added a sentence to the .PHONY patch, to show that it is removing duplicate code. 2) Added the actual clang warning output to the commit description. Changes since the first version: 1) Rebased onto Linux 6.10-rc1 2) Added Reviewed-by's. ...and it turns out that all three patches are still required, on -rc1, in order to get a clean clang build. Enjoy! thanks, John Hubbard John Hubbard (3): selftests/futex: don't redefine .PHONY targets (all, clean) selftests/futex: don't pass a const char* to asprintf(3) selftests/futex: pass _GNU_SOURCE without a value to the compiler tools/testing/selftests/futex/Makefile | 2 -- tools/testing/selftests/futex/functional/Makefile | 2 +- tools/testing/selftests/futex/functional/futex_requeue_pi.c | 2 +- 3 files changed, 2 insertions(+), 4 deletions(-) base-commit: b050496579632f86ee1ef7e7501906db579f3457 -- 2.45.1

11 months

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