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This kselftest second update for Linux 5.2-rc1 consists of Kselftest framework fixes from Shuah Khan - kselftest framework bpf build/test workflow regression fix - Fix to kselftest install to use default install path - Fix to kselftest KBUILD_OUTPUT builds to not clutter main KBUILD_OUTPUT directory with selftest objects - .gitignore fixes from Kelsey Skunberg - rseq selftests updates from Mathieu Desnoyers and Martin Schwidefsky: They change the per-architecture pre-abort signatures to ensure those are valid trap instructions. The way exit points are presented to debuggers is enhanced, ensuring all exit points are present, so debuggers don't have to disassemble rseq critical section to properly skip over them. Discussions with the glibc community is reaching a consensus of exposing a __rseq_handled symbol from glibc to coexist with rseq early adopters. Update the rseq selftest code to expose and use this symbol. Support for compiling asm goto with clang is added with the "-no-integrated-as" compiler switch, similarly to the top level kernel Makefile. - kselftest Makefile test run output refactoring and making test output TAP13 compliant from Kees Cook: This re-factors the selftest Makefiles to extract the test running logic to be reused between "run_tests" and "emit_tests", while also fixing up the test output to be TAP version 13 compliant: - added "plan" line - fixed result line syntax - moved all test output to be "# "-prefixed as TAP "diagnostic" lines The prefixing code includes a fallback mode for limited execution environments. Additionally, the plan lines are fixed for all callers of kselftest.h. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAlzdwpcACgkQCwJExA0N Qxya+xAAm/+ozRxrVGuhQt44y/lfbCNqgiHp2PPAsuTISTtujea96VQ20DLhihvy hdpcOvNS00G5Fs6Nn3x/JLw7tftkTlchgOPZ0VwZXG23YAdhbQADBm8piELmzNM4 j+sA7O7MMJ55Hmh5GOGf7E/Wt6mlWrkKwzcAt986iWzB1j+cbEx7bX6APRh3E0fn SplH4+DclfAFHCTI4Ns++DAtJvH6nCnaZgEYib+wMUr4jRNVB1fe4q31Bamzag46 QXO7Jgn/CAYq1+wTPyfKkAJb9wlXvNVi1KxJyLTxP2Pir47HuDtaugg3sVHk8BCX o08U8c9z8H7X8y1eXcP/DqMMGFVo0hNT2MC8RpG8GDD/U2PLKeRegjyxEG9ssDJc 48efizxCJffrJTplN6fANAb28EezdQ5l+NOuccXhf1D2RIXJuUlTtbyCm7bRkgDB yDzFrTWtp16AFjaS5Bvnkk57bjCnlHnTq5YuQscK0b5CnWggIzipGh/Sl6H5cYQ2 JqphN00A48IfJDVFxjwoPKUXQEcy9U7EtHoKET7L+dMZ8W3yEZy9me73Ncc7dGym htLcuzLsEIfkRZVwhh4DegXodrFFzbpXf1nCV5/ULJNVTFgjRD5quzfnGo4xj//Z 0iD/AybtgrAeEKL5wIuYLNRd2j9uVO+KvuDDmnF+BZ5Hsi2ko2c= =LZRz -----END PGP SIGNATURE----- Merge tag 'linux-kselftest-5.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull more kselftest updates from Shuah Khan: - kselftest framework bpf build/test workflow regression fix - Fix to kselftest install to use default install path - Fix to kselftest KBUILD_OUTPUT builds to not clutter main KBUILD_OUTPUT directory with selftest objects - .gitignore fixes (Kelsey Skunberg) - rseq selftests updates (Mathieu Desnoyers and Martin Schwidefsky) They change the per-architecture pre-abort signatures to ensure those are valid trap instructions. The way exit points are presented to debuggers is enhanced, ensuring all exit points are present, so debuggers don't have to disassemble rseq critical section to properly skip over them. Discussions with the glibc community is reaching a consensus of exposing a __rseq_handled symbol from glibc to coexist with rseq early adopters. Update the rseq selftest code to expose and use this symbol. Support for compiling asm goto with clang is added with the "-no-integrated-as" compiler switch, similarly to the top level kernel Makefile. - kselftest Makefile test run output refactoring and making test output TAP13 compliant from Kees Cook: This re-factors the selftest Makefiles to extract the test running logic to be reused between "run_tests" and "emit_tests", while also fixing up the test output to be TAP version 13 compliant: - added "plan" line - fixed result line syntax - moved all test output to be "# "-prefixed as TAP "diagnostic" lines The prefixing code includes a fallback mode for limited execution environments. Additionally, the plan lines are fixed for all callers of kselftest.h. * tag 'linux-kselftest-5.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (25 commits) selftests: avoid KBUILD_OUTPUT dir cluttering with selftest objects selftests: drivers: Create .gitignore to include /dma-buf/udmabuf selftests: pidfd: Create .gitignore to include pidfd_test selftests: fix bpf build/test workflow regression when KBUILD_OUTPUT is set selftests: fix install target to use default install path rseq/selftests: add -no-integrated-as for clang rseq/selftests: mips: use break instruction for RSEQ_SIG rseq/selftests: powerpc code signature: generate valid instructions rseq/selftests: aarch64 code signature: handle big-endian environment rseq/selftests: arm: use udf instruction for RSEQ_SIG rseq/selftests: s390: use trap4 for RSEQ_SIG rseq/selftests: x86: use ud1 instruction as RSEQ_SIG opcode rseq/selftests: s390: use jg instruction for jumps outside of the asm rseq/selftests: Use __rseq_handled symbol to coexist with glibc rseq/selftests: Introduce __rseq_cs_ptr_array, rename __rseq_table to __rseq_cs rseq/selftests: Add __rseq_exit_point_array section for debuggers rseq/selftests: x86: Work-around bogus gcc-8 optimisation selftests: Add test plan API to kselftest.h and adjust callers selftests: Remove KSFT_TAP_LEVEL selftests: Move test output to diagnostic lines ... |
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