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Ip=[4.158.2.129];\n Helo=[outbound-uk1.az.dlp.m.darktrace.com]","X-MS-Exchange-CrossTenant-AuthSource":"\n AM4PEPF00025F9C.EURPRD83.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Anonymous","X-MS-Exchange-CrossTenant-FromEntityHeader":"HybridOnPrem","X-BeenThere":"libc-alpha@sourceware.org","X-Mailman-Version":"2.1.30","Precedence":"list","List-Id":"Libc-alpha mailing list ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org"},"content":"Lock GCS if it is enabled based on the existing tunable\nglibc.cpu.aarch64_gcs unless selected GCS policy is OPTIONAL\nin which case do not lock GCS.\n\nThis is a compromise implementation compared to full control\nover locking GCS features described in [1].\n\nI think this implementation allows back-porting to earlier\nGlibc releases, would it be OK to back-port this?\n\nChanges in v4:\n - Fixed multiple issues in tests including 2 tests failing without\n the configure option --enable-hardcoded-path-in-tests.\n - Using different error message after prctl failure for enable GCS\n and lock GCS.\n - v3: https://inbox.sourceware.org/libc-alpha/20260209115845.1426398-1-yury.khrustalev@arm.com/\n\n---\n\nPasses regression on aarch64. GCS tests checked on Arm Fixed\nVirtual Platform (FVP) model [2]. OK for trunk?\nBase commit: f5bab97a99\n\n[1]: https://inbox.sourceware.org/libc-help/aXdRdmU95P4tbuES@arm.com/\n[2]: https://inbox.sourceware.org/libc-help/aIc3ElNTSQrelCK9@arm.com/\n\n---\n\nYury Khrustalev (2):\n aarch64: Lock GCS status at startup\n aarch64: Tests for locking GCS\n\n manual/tunables.texi | 50 ++++--\n sysdeps/aarch64/dl-gcs.c | 6 +\n sysdeps/aarch64/dl-start.S | 21 ++-\n sysdeps/unix/sysv/linux/aarch64/Makefile | 25 +++\n sysdeps/unix/sysv/linux/aarch64/libc-start.h | 29 ++-\n .../unix/sysv/linux/aarch64/tst-gcs-execv.c | 91 ++++++++++\n .../unix/sysv/linux/aarch64/tst-gcs-fork.c | 75 ++++++++\n .../unix/sysv/linux/aarch64/tst-gcs-helper.h | 5 +\n .../sysv/linux/aarch64/tst-gcs-lock-ptrace.c | 166 ++++++++++++++++++\n .../sysv/linux/aarch64/tst-gcs-lock-static.c | 1 +\n .../unix/sysv/linux/aarch64/tst-gcs-lock.c | 58 ++++++\n .../linux/aarch64/tst-gcs-unlock-static.c | 2 +\n .../unix/sysv/linux/aarch64/tst-gcs-unlock.c | 2 +\n 13 files changed, 505 insertions(+), 26 deletions(-)\n create mode 100644 sysdeps/unix/sysv/linux/aarch64/tst-gcs-execv.c\n create mode 100644 sysdeps/unix/sysv/linux/aarch64/tst-gcs-fork.c\n create mode 100644 sysdeps/unix/sysv/linux/aarch64/tst-gcs-lock-ptrace.c\n create mode 100644 sysdeps/unix/sysv/linux/aarch64/tst-gcs-lock-static.c\n create mode 100644 sysdeps/unix/sysv/linux/aarch64/tst-gcs-lock.c\n create mode 100644 sysdeps/unix/sysv/linux/aarch64/tst-gcs-unlock-static.c\n create mode 100644 sysdeps/unix/sysv/linux/aarch64/tst-gcs-unlock.c"}