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| author |   Peter Zijlstra <peterz@infradead.org> | 2020-07-08 11:38:59 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-07-08 11:38:59 +0200 |
| commit | faa2fd7cbad4609d06d7904c0a80cf2f8cd23678 (patch) | |
| tree | 3a5bfcc8879b719aec97cb73ed6e020cde502546 /arch/x86/include/asm/fpu/internal.h | |
| parent | sched/core: Remove mmdrop() definition (diff) | |
| parent | sched: Fix unreliable rseq cpu_id for new tasks (diff) | |
| download | wireguard-linux-faa2fd7cbad4609d06d7904c0a80cf2f8cd23678.tar.xz wireguard-linux-faa2fd7cbad4609d06d7904c0a80cf2f8cd23678.zip | |
Merge branch 'sched/urgent'
Diffstat (limited to 'arch/x86/include/asm/fpu/internal.h')
| -rw-r--r-- | arch/x86/include/asm/fpu/internal.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h index 42159f45bf9c..845e7481ab77 100644 --- a/arch/x86/include/asm/fpu/internal.h +++ b/arch/x86/include/asm/fpu/internal.h @@ -623,6 +623,11 @@ static inline void switch_fpu_finish(struct fpu *new_fpu) * MXCSR and XCR definitions: */ +static inline void ldmxcsr(u32 mxcsr) +{ + asm volatile("ldmxcsr %0" :: "m" (mxcsr)); +} + extern unsigned int mxcsr_feature_mask; #define XCR_XFEATURE_ENABLED_MASK 0x00000000 |