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authorIngo Molnar <mingo@kernel.org>2020-07-28 13:18:01 +0200
committerIngo Molnar <mingo@kernel.org>2020-07-28 13:18:01 +0200
commite89d4ca1df630378bde3e36c42001b755b0044fe (patch)
treed953ccecb8365acab65d0075e674f7e9a9bd9880 /arch/x86/include/asm/fpu
parent2ac5413e5edca6910d2ae157187a889e94be2b62 (diff)
parent92ed301919932f777713b9172e525674157e983d (diff)
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Merge tag 'v5.8-rc7' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/fpu')
-rw-r--r--arch/x86/include/asm/fpu/internal.h5
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 d3724dc8c5d2..6b10cdaa7c96 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -590,6 +590,11 @@ 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