linux-toradex.git/tools/testing/selftests/arm64/abi, branch master Linux kernel for Apalis and Colibri modules selftest/arm64: Fix sve2p1_sigill() to hwcap test 2026-03-06T11:54:26+00:00 Yifan Wu wuyifan50@huawei.com 2026-03-05T01:36:37+00:00 d87c828daa7ead9763416f75cc416496969cf1dc The FEAT_SVE2p1 is indicated by ID_AA64ZFR0_EL1.SVEver. However, the BFADD requires the FEAT_SVE_B16B16, which is indicated by ID_AA64ZFR0_EL1.B16B16. This could cause the test to incorrectly fail on a CPU that supports FEAT_SVE2.1 but not FEAT_SVE_B16B16. LD1Q Gather load quadwords which is decoded from SVE encodings and implied by FEAT_SVE2p1. Fixes: c5195b027d29 ("kselftest/arm64: Add SVE 2.1 to hwcap test") Signed-off-by: Yifan Wu <wuyifan50@huawei.com> Reviewed-by: Mark Brown <broonie@kernel.org> Signed-off-by: Will Deacon <will@kernel.org> 
The FEAT_SVE2p1 is indicated by ID_AA64ZFR0_EL1.SVEver. However,
the BFADD requires the FEAT_SVE_B16B16, which is indicated by
ID_AA64ZFR0_EL1.B16B16. This could cause the test to incorrectly
fail on a CPU that supports FEAT_SVE2.1 but not FEAT_SVE_B16B16.

LD1Q Gather load quadwords which is decoded from SVE encodings and
implied by FEAT_SVE2p1.

Fixes: c5195b027d29 ("kselftest/arm64: Add SVE 2.1 to hwcap test")
Signed-off-by: Yifan Wu <wuyifan50@huawei.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
kselftest/arm64: Add HWCAP test for FEAT_LS64 2026-01-22T13:25:33+00:00 Yicong Yang yangyicong@hisilicon.com 2026-01-19T02:29:28+00:00 57a96356bb6942e16283138d0a42baad29169ed8 Add tests for FEAT_LS64. Issue related instructions if feature presents, no SIGILL should be received. When such instructions operate on Device memory or non-cacheable memory, we may received a SIGBUS during the test (w/o FEAT_LS64WB). Just ignore it since we only tested whether the instruction itself can be issued as expected on platforms declaring the support of such features. Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Oliver Upton <oupton@kernel.org> Signed-off-by: Yicong Yang <yangyicong@hisilicon.com> Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com> Signed-off-by: Will Deacon <will@kernel.org> 
Add tests for FEAT_LS64. Issue related instructions if feature
presents, no SIGILL should be received. When such instructions
operate on Device memory or non-cacheable memory, we may received
a SIGBUS during the test (w/o FEAT_LS64WB). Just ignore it since
we only tested whether the instruction itself can be issued as
expected on platforms declaring the support of such features.

Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Oliver Upton <oupton@kernel.org>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Will Deacon <will@kernel.org>
kselftest/arm64: Use syscall() macro over nolibc my_syscall() 2026-01-22T11:21:09+00:00 Thomas Weißschuh linux@weissschuh.net 2026-01-17T12:10:51+00:00 2a369c4942489aeab799a7509b7cc721eecafa8a The my_syscall*() macros are internal implementation details of nolibc. Nolibc also provides the regular syscall(2), which is also a macro and directly expands to the correct my_syscall(). Use syscall() instead. As a side-effect this fixes some return value checks, as my_syscall() returns the raw value as set by the kernel and does not set errno. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Acked-by: Mark Brown <broonie@kernel.org> Signed-off-by: Will Deacon <will@kernel.org> 
The my_syscall*() macros are internal implementation details of nolibc.
Nolibc also provides the regular syscall(2), which is also a macro
and directly expands to the correct my_syscall().

Use syscall() instead.

As a side-effect this fixes some return value checks, as my_syscall()
returns the raw value as set by the kernel and does not set errno.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
selftests: complete kselftest include centralization 2025-11-27T22:24:31+00:00 Bala-Vignesh-Reddy reddybalavignesh9979@gmail.com 2025-10-16T10:44:09+00:00 e6fbd1759c9ece5044d3470f30a5e2166dc9de89 This follow-up patch completes centralization of kselftest.h and ksefltest_harness.h includes in remaining seltests files, replacing all relative paths with a non-relative paths using shared -I include path in lib.mk Tested with gcc-13.3 and clang-18.1, and cross-compiled successfully on riscv, arm64, x86_64 and powerpc arch. [reddybalavignesh9979@gmail.com: add selftests include path for kselftest.h] Link: https://lkml.kernel.org/r/20251017090201.317521-1-reddybalavignesh9979@gmail.com Link: https://lkml.kernel.org/r/20251016104409.68985-1-reddybalavignesh9979@gmail.com Signed-off-by: Bala-Vignesh-Reddy <reddybalavignesh9979@gmail.com> Suggested-by: Andrew Morton <akpm@linux-foundation.org> Link: https://lore.kernel.org/lkml/20250820143954.33d95635e504e94df01930d0@linux-foundation.org/ Reviewed-by: Wei Yang <richard.weiyang@gmail.com> Cc: David Hildenbrand <david@redhat.com> Cc: David S. Miller <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.com> Cc: Günther Noack <gnoack@google.com> Cc: Jakub Kacinski <kuba@kernel.org> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Mickael Salaun <mic@digikod.net> Cc: Ming Lei <ming.lei@redhat.com> Cc: Paolo Abeni <pabeni@redhat.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Simon Horman <horms@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> 
This follow-up patch completes centralization of kselftest.h and
ksefltest_harness.h includes in remaining seltests files, replacing all
relative paths with a non-relative paths using shared -I include path in
lib.mk

Tested with gcc-13.3 and clang-18.1, and cross-compiled successfully on
riscv, arm64, x86_64 and powerpc arch.

[reddybalavignesh9979@gmail.com: add selftests include path for kselftest.h]
  Link: https://lkml.kernel.org/r/20251017090201.317521-1-reddybalavignesh9979@gmail.com
Link: https://lkml.kernel.org/r/20251016104409.68985-1-reddybalavignesh9979@gmail.com
Signed-off-by: Bala-Vignesh-Reddy <reddybalavignesh9979@gmail.com>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Link: https://lore.kernel.org/lkml/20250820143954.33d95635e504e94df01930d0@linux-foundation.org/
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Günther Noack <gnoack@google.com>
Cc: Jakub Kacinski <kuba@kernel.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mickael Salaun <mic@digikod.net>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Simon Horman <horms@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Merge tag 'nolibc-20250928-for-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/nolibc/linux-nolibc 2025-10-01T02:18:17+00:00 Linus Torvalds torvalds@linux-foundation.org 2025-10-01T02:18:17+00:00 50c19e20ed2ef359cf155a39c8462b0a6351b9fa Pull nolibc updates from Thomas Weißschuh: "Only small bugfixes and cleanups" * tag 'nolibc-20250928-for-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/nolibc/linux-nolibc: tools/nolibc: add stdbool.h to nolibc includes tools/nolibc: make time_t robust if __kernel_old_time_t is missing in host headers selftests/nolibc: remove outdated comment about construct order selftests/nolibc: fix EXPECT_NZ macro tools/nolibc: drop wait4() support kselftest/arm64: tpidr2: Switch to waitpid() over wait4() tools/nolibc: fold llseek fallback into lseek() tools/nolibc: remove __nolibc_enosys() fallback from fork functions tools/nolibc: remove __nolibc_enosys() fallback from dup2() tools/nolibc: remove __nolibc_enosys() fallback from *at() functions tools/nolibc: remove __nolibc_enosys() fallback from time64-related functions tools/nolibc: use tabs instead of spaces for indentation tools/nolibc: avoid error in dup2() if old fd equals new fd selftests/nolibc: always compile the kernel with GCC selftests/nolibc: don't pass CC to toplevel Makefile selftests/nolibc: deduplicate invocations of toplevel Makefile selftests/nolibc: be more specific about variables affecting nolibc-test tools/nolibc: fix error return value of clock_nanosleep() 
Pull nolibc updates from Thomas Weißschuh:
 "Only small bugfixes and cleanups"

* tag 'nolibc-20250928-for-6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/nolibc/linux-nolibc:
  tools/nolibc: add stdbool.h to nolibc includes
  tools/nolibc: make time_t robust if __kernel_old_time_t is missing in host headers
  selftests/nolibc: remove outdated comment about construct order
  selftests/nolibc: fix EXPECT_NZ macro
  tools/nolibc: drop wait4() support
  kselftest/arm64: tpidr2: Switch to waitpid() over wait4()
  tools/nolibc: fold llseek fallback into lseek()
  tools/nolibc: remove __nolibc_enosys() fallback from fork functions
  tools/nolibc: remove __nolibc_enosys() fallback from dup2()
  tools/nolibc: remove __nolibc_enosys() fallback from *at() functions
  tools/nolibc: remove __nolibc_enosys() fallback from time64-related functions
  tools/nolibc: use tabs instead of spaces for indentation
  tools/nolibc: avoid error in dup2() if old fd equals new fd
  selftests/nolibc: always compile the kernel with GCC
  selftests/nolibc: don't pass CC to toplevel Makefile
  selftests/nolibc: deduplicate invocations of toplevel Makefile
  selftests/nolibc: be more specific about variables affecting nolibc-test
  tools/nolibc: fix error return value of clock_nanosleep()
kselftest/arm64: Add lsfe to the hwcaps test 2025-09-19T11:50:17+00:00 Mark Brown broonie@kernel.org 2025-09-18T19:42:07+00:00 777fb19ed8d6f193c2811b76371ffb41acbca1da This feature has no traps associated with it so the SIGILL is not reliable. Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Will Deacon <will@kernel.org> 
This feature has no traps associated with it so the SIGILL is not reliable.

Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
kselftest/arm64: Remove extra blank line 2025-09-08T15:01:21+00:00 Vivek Yadav vivekyadav1207731111@gmail.com 2025-08-24T06:14:00+00:00 3198780eaf37c071052edac109d99bff77e6ce5c Remove an unnecessary blank line to improve code style consistency. ``` [command] ./scripts/checkpatch.pl --strict -f <path/to/file> [output] CHECK: Please don't use multiple blank lines CHECK: Blank lines aren't necessary before a close brace '}' ``` Signed-off-by: Vivek Yadav <vivekyadav1207731111@gmail.com> Signed-off-by: Will Deacon <will@kernel.org> 
Remove an unnecessary blank line to improve code style consistency.

```
[command]
        ./scripts/checkpatch.pl --strict -f <path/to/file>

[output]
        CHECK: Please don't use multiple blank lines
	CHECK: Blank lines aren't necessary before a close brace '}'
```

Signed-off-by: Vivek Yadav <vivekyadav1207731111@gmail.com>
Signed-off-by: Will Deacon <will@kernel.org>
selftests: arm64: Fix -Waddress warning in tpidr2 test 2025-09-08T14:24:19+00:00 Bala-Vignesh-Reddy reddybalavignesh9979@gmail.com 2025-08-07T11:42:29+00:00 50af02425afc72b1b47c4a0a0b9c9bdaa1a1b347 Thanks to -Waddress, the compiler warns that the ksft_test_result() invocations in the arm64 tpidr2 selftest are always true. Oops. Fix the test by, err, actually running the test functions. Fixes: 6d80cb73131d ("kselftest/arm64: Convert tpidr2 test to use kselftest.h") Signed-off-by: Bala-Vignesh-Reddy <reddybalavignesh9979@gmail.com> Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com> Reviewed-by: Mark Brown <broonie@kernel.org> Signed-off-by: Will Deacon <will@kernel.org> 
Thanks to -Waddress, the compiler warns that the ksft_test_result()
invocations in the arm64 tpidr2 selftest are always true. Oops.

Fix the test by, err, actually running the test functions.

Fixes: 6d80cb73131d ("kselftest/arm64: Convert tpidr2 test to use kselftest.h")
Signed-off-by: Bala-Vignesh-Reddy <reddybalavignesh9979@gmail.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
kselftest/arm64: tpidr2: Switch to waitpid() over wait4() 2025-09-01T18:48:35+00:00 Thomas Weißschuh linux@weissschuh.net 2025-08-21T15:40:37+00:00 61a3cf7934b6da3c926cd9961860dd94eb7192ba wait4() is deprecated, non-standard and about to be removed from nolibc. Switch to the equivalent waitpid() call. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: Mark Brown <broonie@kernel.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Link: https://lore.kernel.org/r/20250821-nolibc-enosys-v1-6-4b63f2caaa89@weissschuh.net 
wait4() is deprecated, non-standard and about to be removed from nolibc.

Switch to the equivalent waitpid() call.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Reviewed-by: Mark Brown <broonie@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20250821-nolibc-enosys-v1-6-4b63f2caaa89@weissschuh.net
Merge branch 'for-next/feat_mte_store_only' into for-next/core 2025-07-24T15:03:34+00:00 Catalin Marinas catalin.marinas@arm.com 2025-07-24T15:03:34+00:00 5b1ae9de71335865d06ff0e60eadcf368a735edf * for-next/feat_mte_store_only: : MTE feature to restrict tag checking to store only operations kselftest/arm64/mte: Add MTE_STORE_ONLY testcases kselftest/arm64/mte: Preparation for mte store only test kselftest/arm64/abi: Add MTE_STORE_ONLY feature hwcap test KVM: arm64: Expose MTE_STORE_ONLY feature to guest arm64/hwcaps: Add MTE_STORE_ONLY hwcaps arm64/kernel: Support store-only mte tag check prctl: Introduce PR_MTE_STORE_ONLY arm64/cpufeature: Add MTE_STORE_ONLY feature 
* for-next/feat_mte_store_only:
  : MTE feature to restrict tag checking to store only operations
  kselftest/arm64/mte: Add MTE_STORE_ONLY testcases
  kselftest/arm64/mte: Preparation for mte store only test
  kselftest/arm64/abi: Add MTE_STORE_ONLY feature hwcap test
  KVM: arm64: Expose MTE_STORE_ONLY feature to guest
  arm64/hwcaps: Add MTE_STORE_ONLY hwcaps
  arm64/kernel: Support store-only mte tag check
  prctl: Introduce PR_MTE_STORE_ONLY
  arm64/cpufeature: Add MTE_STORE_ONLY feature