linux.git/tools/testing/selftests/rseq/slice_test.c, branch v7.1 Linux kernel source tree selftests/rseq: Expand for optimized RSEQ ABI v2 2026-05-06T15:41:08+00:00 Thomas Gleixner tglx@kernel.org 2026-04-25T12:48:23+00:00 e744060076871eebc2647b24420b550ff44b2b65 Update the selftests so they are executed for legacy (32 bytes RSEQ region) and optimized RSEQ ABI v2 mode. Fixes: d6200245c75e ("rseq: Allow registering RSEQ with slice extension") Signed-off-by: Thomas Gleixner <tglx@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Dmitry Vyukov <dvyukov@google.com> Tested-by: Dmitry Vyukov <dvyukov@google.com> Link: https://patch.msgid.link/20260428224428.009121296%40kernel.org Cc: stable@vger.kernel.org 
Update the selftests so they are executed for legacy (32 bytes RSEQ region)
and optimized RSEQ ABI v2 mode.

Fixes: d6200245c75e ("rseq: Allow registering RSEQ with slice extension")
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Tested-by: Dmitry Vyukov <dvyukov@google.com>
Link: https://patch.msgid.link/20260428224428.009121296%40kernel.org
Cc: stable@vger.kernel.org
selftests/rseq: Skip tests if time slice extensions are not available 2026-05-05T14:03:11+00:00 Thomas Gleixner tglx@linutronix.de 2026-04-25T13:46:06+00:00 02b44d943b3adddc3a15c1da97045e205b7d14c1 Don't fail, skip the test if the extensions are not enabled at compile or runtime. Fixes: 830969e7821a ("selftests/rseq: Implement time slice extension test") Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Dmitry Vyukov <dvyukov@google.com> Tested-by: Dmitry Vyukov <dvyukov@google.com> Link: https://patch.msgid.link/20260428224427.597838491%40kernel.org Cc: stable@vger.kernel.org 
Don't fail, skip the test if the extensions are not enabled at compile or
runtime.

Fixes: 830969e7821a ("selftests/rseq: Implement time slice extension test")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Tested-by: Dmitry Vyukov <dvyukov@google.com>
Link: https://patch.msgid.link/20260428224427.597838491%40kernel.org
Cc: stable@vger.kernel.org
selftests/rseq: Implement time slice extension test 2026-01-22T10:11:19+00:00 Thomas Gleixner tglx@linutronix.de 2025-12-15T16:52:34+00:00 830969e7821af377bdc1bb016929ff28c78490e8 Provide an initial test case to evaluate the functionality. This needs to be extended to cover the ABI violations and expose the race condition between observing granted and arriving in rseq_slice_yield(). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://patch.msgid.link/20251215155709.320325431@linutronix.de 
Provide an initial test case to evaluate the functionality. This needs to be
extended to cover the ABI violations and expose the race condition between
observing granted and arriving in rseq_slice_yield().

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20251215155709.320325431@linutronix.de