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Use XRSTOR with XSAVEC 

Signed-off-by: Attila Fülöp <attila@fueloep.org>
This commit is contained in:
Attila Fülöp 2023-03-01 19:29:47 +01:00
parent 9e803591e3
commit 6877642528
1 changed files with 7 additions and 0 deletions
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7
include/os/linux/kernel/linux/simd_x86.h
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@ -378,6 +378,13 @@ static inline void
kfpu_end(void) kfpu_end(void)
{ {
uint8_t *state = zfs_kfpu_fpregs[smp_processor_id()]; uint8_t *state = zfs_kfpu_fpregs[smp_processor_id()];
#if defined(HAVE_XSAVEC)
if (static_cpu_has(X86_FEATURE_XSAVEC)) {
kfpu_do_xrstor("xrstor", state, ~0);
goto out;
}
#endif
#if defined(HAVE_XSAVES) #if defined(HAVE_XSAVES)
if (static_cpu_has(X86_FEATURE_XSAVES)) { if (static_cpu_has(X86_FEATURE_XSAVES)) {
kfpu_do_xrstor("xrstors", state, ~0); kfpu_do_xrstor("xrstors", state, ~0);