selftests: complete kselftest include centralizationThis follow-up patch completes centralization of kselftest.h andksefltest_harness.h includes in remaining seltests files, replacing allrelative
selftests: complete kselftest include centralizationThis follow-up patch completes centralization of kselftest.h andksefltest_harness.h includes in remaining seltests files, replacing allrelative paths with a non-relative paths using shared -I include path inlib.mkTested with gcc-13.3 and clang-18.1, and cross-compiled successfully onriscv, 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.comLink: https://lkml.kernel.org/r/20251016104409.68985-1-reddybalavignesh9979@gmail.comSigned-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>
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riscv: selftests: Fix warnings pointer masking testWhen compiling the pointer masking tests with -Wall this warningis present:pointer_masking.c: In function ‘test_tagged_addr_abi_sysctl’:pointe
riscv: selftests: Fix warnings pointer masking testWhen compiling the pointer masking tests with -Wall this warningis present:pointer_masking.c: In function ‘test_tagged_addr_abi_sysctl’:pointer_masking.c:203:9: warning: ignoring return value of ‘pwrite’declared with attribute ‘warn_unused_result’ [-Wunused-result] 203 | pwrite(fd, &value, 1, 0); | ^~~~~~~~~~~~~~~~~~~~~~~~ pointer_masking.c:208:9: warning:ignoring return value of ‘pwrite’ declared with attribute‘warn_unused_result’ [-Wunused-result] 208 | pwrite(fd, &value, 1, 0);I came across this on riscv64-linux-gnu-gcc (Ubuntu11.4.0-1ubuntu1~22.04).Fix this by checking that the number of bytes written equal the expectednumber of bytes written.Fixes: 7470b5afd150 ("riscv: selftests: Add a pointer masking test")Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>Reviewed-by: Andrew Jones <ajones@ventanamicro.com>Link: https://lore.kernel.org/r/20241211-fix_warnings_pointer_masking_tests-v6-1-c7ae708fbd2f@rivosinc.comSigned-off-by: Palmer Dabbelt <palmer@rivosinc.com>
riscv: selftests: Add a pointer masking testThis test covers the behavior of the PR_SET_TAGGED_ADDR_CTRL andPR_GET_TAGGED_ADDR_CTRL prctl() operations, their effects on theuserspace ABI, and thei
riscv: selftests: Add a pointer masking testThis test covers the behavior of the PR_SET_TAGGED_ADDR_CTRL andPR_GET_TAGGED_ADDR_CTRL prctl() operations, their effects on theuserspace ABI, and their effects on the system call ABI.Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>Tested-by: Charlie Jenkins <charlie@rivosinc.com>Signed-off-by: Samuel Holland <samuel.holland@sifive.com>Link: https://lore.kernel.org/r/20241016202814.4061541-8-samuel.holland@sifive.comSigned-off-by: Palmer Dabbelt <palmer@rivosinc.com>