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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-21 05:50:02 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-21 05:50:02 +0300 |
| commit | 2e0ddb34e5a392ad6bd6a5ada38aac53a1cc0d1a (patch) | |
| tree | 8e78f593911dcd7b9a2373ba9ed34a2b3a24532b /arch/x86/include/asm/fpu | |
| parent | 8a68bd3e9ff6f480fc03369023a1d981cb803079 (diff) | |
| parent | cb3ea4b7671b7cfbac3ee609976b790aebd0bbda (diff) | |
| download | linux-2e0ddb34e5a392ad6bd6a5ada38aac53a1cc0d1a.tar.xz | |
Merge tag 'x86-fpu-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fpu updates from Ingo Molnar:
- Replace zero-length array in struct xregs_state with flexible-array
member, to help the enabling of stricter compiler checks.
- Don't set TIF_NEED_FPU_LOAD for PF_IO_WORKER threads.
* tag 'x86-fpu-2023-02-20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu: Don't set TIF_NEED_FPU_LOAD for PF_IO_WORKER threads
x86/fpu: Replace zero-length array in struct xregs_state with flexible-array member
Diffstat (limited to 'arch/x86/include/asm/fpu')
| -rw-r--r-- | arch/x86/include/asm/fpu/sched.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/fpu/types.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/include/asm/fpu/sched.h b/arch/x86/include/asm/fpu/sched.h index b2486b2cbc6e..c2d6cd78ed0c 100644 --- a/arch/x86/include/asm/fpu/sched.h +++ b/arch/x86/include/asm/fpu/sched.h @@ -39,7 +39,7 @@ extern void fpu_flush_thread(void); static inline void switch_fpu_prepare(struct fpu *old_fpu, int cpu) { if (cpu_feature_enabled(X86_FEATURE_FPU) && - !(current->flags & PF_KTHREAD)) { + !(current->flags & (PF_KTHREAD | PF_IO_WORKER))) { save_fpregs_to_fpstate(old_fpu); /* * The save operation preserved register state, so the diff --git a/arch/x86/include/asm/fpu/types.h b/arch/x86/include/asm/fpu/types.h index eb7cd1139d97..7f6d858ff47a 100644 --- a/arch/x86/include/asm/fpu/types.h +++ b/arch/x86/include/asm/fpu/types.h @@ -321,7 +321,7 @@ struct xstate_header { struct xregs_state { struct fxregs_state i387; struct xstate_header header; - u8 extended_state_area[0]; + u8 extended_state_area[]; } __attribute__ ((packed, aligned (64))); /* |