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| author | Will Deacon <will@kernel.org> | 2024-05-22 11:53:05 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2024-05-22 11:55:00 +0100 |
| commit | f481bb32d60e45fb3d19ea68ce79c5629f3fc3a0 (patch) | |
| tree | f61cd1828a3efd8274f877d3bad473e4f0bf2641 /arch/arm64/include/asm | |
| parent | ffbf4fb9b5c12ff878a10ea17997147ea4ebea6f (diff) | |
| download | linux-stable-f481bb32d60e45fb3d19ea68ce79c5629f3fc3a0.tar.gz linux-stable-f481bb32d60e45fb3d19ea68ce79c5629f3fc3a0.tar.bz2 linux-stable-f481bb32d60e45fb3d19ea68ce79c5629f3fc3a0.zip | |
Reapply "arm64: fpsimd: Implement lazy restore for kernel mode FPSIMD"
This reverts commit b8995a18417088bb53f87c49d200ec72a9dd4ec1.
Ard managed to reproduce the dm-crypt corruption problem and got to the
bottom of it, so re-apply the problematic patch in preparation for
fixing things properly.
Cc: stable@vger.kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/include/asm')
| -rw-r--r-- | arch/arm64/include/asm/processor.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index 4f122b932cca..f77371232d8c 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -171,6 +171,7 @@ struct thread_struct { struct debug_info debug; /* debugging */ struct user_fpsimd_state kernel_fpsimd_state; + unsigned int kernel_fpsimd_cpu; #ifdef CONFIG_ARM64_PTR_AUTH struct ptrauth_keys_user keys_user; #ifdef CONFIG_ARM64_PTR_AUTH_KERNEL |