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[PATCH] docs:kselftest: fix kselftest_module.h path of example module

by Hoi Pok Wu

"module.h" does not exist in kselftest, it should be "kselftest_module.h". Signed-off-by: Hoi Pok Wu <wuhoipok(a)gmail.com> --- Documentation/dev-tools/kselftest.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/dev-tools/kselftest.rst b/Documentation/dev-tools/kselftest.rst index e87973763b91..12b575b76b20 100644 --- a/Documentation/dev-tools/kselftest.rst +++ b/Documentation/dev-tools/kselftest.rst @@ -320,7 +320,7 @@ A bare bones test module might look like this: #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - #include "../tools/testing/selftests/kselftest/module.h" + #include "../tools/testing/selftests/kselftest_module.h" KSTM_MODULE_GLOBALS(); -- 2.37.2

3 years, 2 months

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[PATCH] selftests: remove unused variable in close_range test

by Andrew Delgadilo

From: Andrew Delgadillo <adelg(a)google.com> commit 2c5db60e46ad ("tests: add close_range() tests") adds the close_range test under the core namespace. In its current form, the close_range test has an unused variable, namely, ret. For those building with -Werror,-Wall, this breaks the build. Without this patch: $ make -C tools/testing/selftests/ TARGETS=core V=1 CFLAGS="-Werror -Wall" > make: Entering directory '/.../kernel-src/tools/testing/selftests' > make[1]: Entering directory '/.../kernel-src/tools/testing/selftests/core' > gcc -Werror -Wall close_range_test.c -o /.../kernel-src/tools/testing/selftests/core/close_range_test > close_range_test.c: In function 'core_close_range': > close_range_test.c:55:16: error: unused variable 'ret' [-Werror=unused-variable] > 55 | int i, ret; > | ^~~ > cc1: all warnings being treated as errors > make[1]: *** [../lib.mk:135: /.../kernel-src/tools/testing/selftests/core/close_range_test] Error 1 > make[1]: Leaving directory '/.../kernel-src/tools/testing/selftests/core' > make: *** [Makefile:155: all] Error 2 > make: Leaving directory '/.../kernel-src/tools/testing/selftests' With this patch: $ make -C tools/testing/selftests/ TARGETS=core V=1 CFLAGS="-Werror -Wall" > make: Entering directory '/.../kernel-src/tools/testing/selftests' > make[1]: Entering directory '/.../kernel-src/tools/testing/selftests/core' > gcc -Werror -Wall close_range_test.c -o /.../kernel-src/tools/testing/selftests/core/close_range_test > make[1]: Leaving directory '/.../kernel-src/tools/testing/selftests/core' > make: Leaving directory '/.../kernel-src/tools/testing/selftests' Fixes: 2c5db60e46ad ("tests: add close_range() tests") Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Delgadillo <adelg(a)google.com> --- tools/testing/selftests/core/close_range_test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/core/close_range_test.c b/tools/testing/selftests/core/close_range_test.c index 749239930ca83..17c76c6c13cb9 100644 --- a/tools/testing/selftests/core/close_range_test.c +++ b/tools/testing/selftests/core/close_range_test.c @@ -52,7 +52,7 @@ static inline int sys_close_range(unsigned int fd, unsigned int max_fd, TEST(core_close_range) { - int i, ret; + int i; int open_fds[101]; for (i = 0; i < ARRAY_SIZE(open_fds); i++) { -- 2.37.1.595.g718a3a8f04-goog

3 years, 2 months

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[PATCH] selftests: Add a taint selftest

by Andrew Delgadilo

From: Andrew Delgadillo <adelg(a)google.com> When testing a kernel, one of the earliest signals one can get is if a kernel has become tainted. For example, an organization might be interested in mass testing commits on their hardware. An obvious first step would be to make sure every commit boots, and a next step would be to make sure there are no warnings/crashes/lockups, hence the utility of a taint test. Signed-off-by: Andrew Delgadillo <adelg(a)google.com> --- tools/testing/selftests/core/Makefile | 1 + tools/testing/selftests/core/taint.sh | 28 +++++++++++++++++++++++++++ 2 files changed, 29 insertions(+) create mode 100755 tools/testing/selftests/core/taint.sh diff --git a/tools/testing/selftests/core/Makefile b/tools/testing/selftests/core/Makefile index f6f2d6f473c6a..695bdbfb02f90 100644 --- a/tools/testing/selftests/core/Makefile +++ b/tools/testing/selftests/core/Makefile @@ -2,6 +2,7 @@ CFLAGS += -g -I../../../../usr/include/ TEST_GEN_PROGS := close_range_test +TEST_PROGS := taint.sh include ../lib.mk diff --git a/tools/testing/selftests/core/taint.sh b/tools/testing/selftests/core/taint.sh new file mode 100755 index 0000000000000..661c2cb8cd9bf --- /dev/null +++ b/tools/testing/selftests/core/taint.sh @@ -0,0 +1,28 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +set -oue pipefail + +# By default, we only want to check if our system has: +# - seen an oops or bug +# - a warning occurred +# - a lockup occurred +# The bit values for these, and more, can be found at +# Documentation/admin-guide/tainted-kernels.html +# This value can be overridden by passing a mask as the +# first positional argument. +taint_bitmask=$(( 128 + 512 + 16384 )) + +# If we have a positional argument, then override our +# default bitmask. +if [[ -n "${1-}" ]]; then + taint_bitmask=$1 +fi + +taint_bits=$(cat /proc/sys/kernel/tainted) + +result=$(( taint_bitmask & taint_bits )) +if [[ "$result" -ne 0 ]]; then + exit 1 +fi + +exit 0 -- 2.37.1.595.g718a3a8f04-goog

3 years, 2 months

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The Telegraph: Mude von Arbeit und Schulden? Raus aus dieser Scheie?

by JosephOpick

寄件人：JosephOpick <linux-kselftest(a)vger.kernel.org> 主旨：The Telegraph: Mude von Arbeit und Schulden? Raus aus dieser Scheie? 郵件內文： Mude von niedrigen Lohnen und hohen Benzinpreisen? Es gibt eine Losung http://news-kc.cavemanorganics.com/news-bild-4196 -- This e-mail was sent from a contact form on Hearingaid (http://hearingaid.com.hk)

3 years, 2 months

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[RFC PATCH 2/2] selftests: kvm: Use the KVM API to enable dynamic XSTATE features

by Chang S. Bae

Use the KVM_X86_XCOMP_GUEST_PERM attribute, instead of the x86-specific prctl() options. Signed-off-by: Chang S. Bae <chang.seok.bae(a)intel.com> Cc: Paolo Bonzini <pbonzini(a)redhat.com> Cc: Yang Zhong <yang.zhong(a)intel.com> Cc: linux-kernel(a)vger.kernel.org Cc: kvm(a)vger.kernel.org Cc: linux-kselftest(a)vger.kernel.org --- tools/arch/x86/include/uapi/asm/kvm.h | 1 + .../selftests/kvm/lib/x86_64/processor.c | 22 ++++++++++++++----- 2 files changed, 17 insertions(+), 6 deletions(-) diff --git a/tools/arch/x86/include/uapi/asm/kvm.h b/tools/arch/x86/include/uapi/asm/kvm.h index 46de10a809ec..6ab9a2b38061 100644 --- a/tools/arch/x86/include/uapi/asm/kvm.h +++ b/tools/arch/x86/include/uapi/asm/kvm.h @@ -461,6 +461,7 @@ struct kvm_sync_regs { /* attributes for system fd (group 0) */ #define KVM_X86_XCOMP_GUEST_SUPP 0 +#define KVM_X86_XCOMP_GUEST_PERM 1 struct kvm_vmx_nested_state_data { __u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c index 2e6e61bbe81b..b67f28676d15 100644 --- a/tools/testing/selftests/kvm/lib/x86_64/processor.c +++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c @@ -593,8 +593,6 @@ void __vm_xsave_require_permission(int bit, const char *name) kvm_fd = open_kvm_dev_path_or_exit(); rc = __kvm_ioctl(kvm_fd, KVM_GET_DEVICE_ATTR, &attr); - close(kvm_fd); - if (rc == -1 && (errno == ENXIO || errno == EINVAL)) __TEST_REQUIRE(0, "KVM_X86_XCOMP_GUEST_SUPP not supported"); @@ -603,13 +601,25 @@ void __vm_xsave_require_permission(int bit, const char *name) __TEST_REQUIRE(bitmask & (1ULL << bit), "Required XSAVE feature '%s' not supported", name); - TEST_REQUIRE(!syscall(SYS_arch_prctl, ARCH_REQ_XCOMP_GUEST_PERM, bit)); + attr.attr = KVM_X86_XCOMP_GUEST_PERM; + attr.addr = (unsigned long) bit; + rc = __kvm_ioctl(kvm_fd, KVM_SET_DEVICE_ATTR, &attr); + if (rc == -1 && (errno == ENXIO || errno == EINVAL)) + __TEST_REQUIRE(0, "KVM_X86_XCOMP_GUEST_PERM not supported"); - rc = syscall(SYS_arch_prctl, ARCH_GET_XCOMP_GUEST_PERM, &bitmask); - TEST_ASSERT(rc == 0, "prctl(ARCH_GET_XCOMP_GUEST_PERM) error: %ld", rc); + TEST_ASSERT(rc == 0, "KVM_SET_DEVICE_ATTR(0, KVM_X86_XCOMP_GUEST_PERM) error: %ld", rc); + + attr.addr = (unsigned long) &bitmask; + rc = __kvm_ioctl(kvm_fd, KVM_GET_DEVICE_ATTR, &attr); + if (rc == -1 && (errno == ENXIO || errno == EINVAL)) + __TEST_REQUIRE(0, "KVM_X86_XCOMP_GUEST_PERM not supported"); + + TEST_ASSERT(rc == 0, "KVM_GET_DEVICE_ATTR(0, KVM_X86_XCOMP_GUEST_PERM) error: %ld", rc); TEST_ASSERT(bitmask & (1ULL << bit), - "prctl(ARCH_REQ_XCOMP_GUEST_PERM) failure bitmask=0x%lx", + "KVM_GET_DEVICE_ATTR(0, KVM_X86_XCOMP_GUEST_PERM) failure bitmask=0x%lx", bitmask); + + close(kvm_fd); } struct kvm_vcpu *vm_arch_vcpu_add(struct kvm_vm *vm, uint32_t vcpu_id, -- 2.17.1

3 years, 2 months

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[GIT PULL] KUnit fixes update for Linux 6.0-rc3

by Shuah Khan

Hi Linus, Please pull the following KUnit fixes update for Linux 6.0-rc3. This KUnit fixes update for Linux 6.0-rc3 consists of fixes to mmc test and fix to load .kunit_test_suites section when CONFIG_KUNIT=m, and not just when KUnit is built-in. Please note that this KUnit update touches mmc driver Kconfig and kernel/module/main.c. diff is attached. thanks, -- Shuah ---------------------------------------------------------------- The following changes since commit 568035b01cfb107af8d2e4bd2fb9aea22cf5b868: Linux 6.0-rc1 (2022-08-14 15:50:18 -0700) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest tags/linux-kselftest-kunit-fixes-6.0-rc3 for you to fetch changes up to 41a55567b9e31cb852670684404654ec4fd0d8d6: module: kunit: Load .kunit_test_suites section when CONFIG_KUNIT=m (2022-08-15 13:51:07 -0600) ---------------------------------------------------------------- linux-kselftest-kunit-fixes-6.0-rc3 This KUnit fixes update for Linux 6.0-rc3 consists of fixes to mmc test and fix to load .kunit_test_suites section when CONFIG_KUNIT=m, and not just when KUnit is built-in. ---------------------------------------------------------------- David Gow (2): mmc: sdhci-of-aspeed: test: Fix dependencies when KUNIT=m module: kunit: Load .kunit_test_suites section when CONFIG_KUNIT=m drivers/mmc/host/Kconfig | 1 + kernel/module/main.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) ----------------------------------------------------------------

3 years, 2 months

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[GIT PULL] Kselftest update for Linux 6.0-rc3

by Shuah Khan

Hi Linus, Please pull the following Kselftest update for Linux 6.0-rc3. This Kselftest fixes update for Linux 6.0-rc3 consists of fixes and warnings to vm and sgx test builds. sgx test fails to build without this change on new distros. diff is attached. thanks, -- Shuah ---------------------------------------------------------------- The following changes since commit 568035b01cfb107af8d2e4bd2fb9aea22cf5b868: Linux 6.0-rc1 (2022-08-14 15:50:18 -0700) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest tags/linux-kselftest-fixes-6.0-rc3 for you to fetch changes up to bdbf0617bbc3641af158d1aeffeebb1505f76263: selftests/vm: fix inability to build any vm tests (2022-08-19 17:57:20 -0600) ---------------------------------------------------------------- linux-kselftest-fixes-6.0-rc3 This Kselftest fixes update for Linux 6.0-rc3 consists of fixes and warnings to vm and sgx test builds. ---------------------------------------------------------------- Axel Rasmussen (1): selftests/vm: fix inability to build any vm tests Kristen Carlson Accardi (1): selftests/sgx: Ignore OpenSSL 3.0 deprecated functions warning tools/testing/selftests/lib.mk | 1 + tools/testing/selftests/sgx/sigstruct.c | 6 ++++++ 2 files changed, 7 insertions(+) ----------------------------------------------------------------

3 years, 2 months

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kselftest/next kselftest-lkdtm: 3 runs, 1 regressions (linux-kselftest-next-6.0-rc2-1-gab7039dbcc61)

by kernelci.org bot

kselftest/next kselftest-lkdtm: 3 runs, 1 regressions (linux-kselftest-next-6.0-rc2-1-gab7039dbcc61) 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/next/kernel/linux-kselftest-… Test: kselftest-lkdtm Tree: kselftest Branch: next Describe: linux-kselftest-next-6.0-rc2-1-gab7039dbcc61 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: ab7039dbcc61229aa635357b847a643973497561 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/63041d999ebcc423ea35565c Results: 0 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/next/linux-kselftest-next-6.0-rc2-1… HTML log: https://storage.kernelci.org//kselftest/next/linux-kselftest-next-6.0-rc2-1… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2022081… * kselftest-lkdtm.login: https://kernelci.org/test/case/id/63041d999ebcc423ea35565d new failure (last pass: v6.0-rc1-1-gf1227dc7d0411)

3 years, 2 months

1
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kselftest/next kselftest-lib: 7 runs, 1 regressions (linux-kselftest-next-6.0-rc2-1-gab7039dbcc61)

by kernelci.org bot

kselftest/next kselftest-lib: 7 runs, 1 regressions (linux-kselftest-next-6.0-rc2-1-gab7039dbcc61) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions ---------------------+-------+--------------+----------+---------------------+------------ meson-g12b-odroid-n2 | arm64 | lab-baylibre | gcc-10 | defconfig+kselftest | 1 Details: https://kernelci.org/test/job/kselftest/branch/next/kernel/linux-kselftest-… Test: kselftest-lib Tree: kselftest Branch: next Describe: linux-kselftest-next-6.0-rc2-1-gab7039dbcc61 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: ab7039dbcc61229aa635357b847a643973497561 Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions ---------------------+-------+--------------+----------+---------------------+------------ meson-g12b-odroid-n2 | arm64 | lab-baylibre | gcc-10 | defconfig+kselftest | 1 Details: https://kernelci.org/test/plan/id/6304220408d7d305ea355646 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/next/linux-kselftest-next-6.0-rc2-1… HTML log: https://storage.kernelci.org//kselftest/next/linux-kselftest-next-6.0-rc2-1… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2022081… * kselftest-lib.login: https://kernelci.org/test/case/id/6304220408d7d305ea355647 new failure (last pass: v6.0-rc1-1-gf1227dc7d0411)

3 years, 2 months

1
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kselftest/next build: 8 builds: 0 failed, 8 passed (linux-kselftest-next-6.0-rc2-1-gab7039dbcc61)

by kernelci.org bot

kselftest/next build: 8 builds: 0 failed, 8 passed (linux-kselftest-next-6.0-rc2-1-gab7039dbcc61) Full Build Summary: https://kernelci.org/build/kselftest/branch/next/kernel/linux-kselftest-nex… Tree: kselftest Branch: next Git Describe: linux-kselftest-next-6.0-rc2-1-gab7039dbcc61 Git Commit: ab7039dbcc61229aa635357b847a643973497561 Git URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git Built: 4 unique architectures ================================================================================ Detailed per-defconfig build reports: -------------------------------------------------------------------------------- defconfig+kselftest (arm64, clang-15) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- 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 -------------------------------------------------------------------------------- defconfig+kselftest+arm64-chromebook (arm64, clang-15) — 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, clang-15) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- x86_64_defconfig+kselftest (x86_64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches --- For more info write to <info(a)kernelci.org>

3 years, 2 months

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