[ Sasha's backport helper bot ]
Hi,
Found matching upstream commit: 751ecf6afd6568adc98f2a6052315552c0483d18
Status in newer kernel trees: 6.12.y | Present (exact SHA1) 6.6.y | Present (different SHA1: 51d11ea0250d) 6.1.y | Not found
Note: The patch differs from the upstream commit: --- 1: 751ecf6afd656 ! 1: b773f808e9357 arm64/sve: Discard stale CPU state when handling SVE traps @@ Commit message Reviewed-by: Mark Rutland mark.rutland@arm.com Link: https://lore.kernel.org/r/20241030-arm64-fpsimd-foreign-flush-v1-1-bd7bd6690... Signed-off-by: Will Deacon will@kernel.org + [Backported to 6.1 -- broonie] + (cherry picked from commit 751ecf6afd6568adc98f2a6052315552c0483d18)
## arch/arm64/kernel/fpsimd.c ## @@ arch/arm64/kernel/fpsimd.c: static void sve_init_regs(void) + fpsimd_bind_task_to_cpu(); } else { fpsimd_to_sve(current); - current->thread.fp_type = FP_STATE_SVE; + fpsimd_flush_task_state(current); } } ---
Results of testing on various branches:
| Branch | Patch Apply | Build Test | |---------------------------|-------------|------------| | stable/linux-6.1.y | Success | Success |