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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 10:15:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 10:15:43 +0000
commit4a1c948bc688e5ab5e51d12d2f6dd6746e3ac2d9 (patch)
tree7ee50e6ccf13f75f02fd343cf90750cbd9950194 /arch/x86/kernel/fpu/xstate.c
parentReleasing progress-linux version 6.1.82-1~progress6.99u1. (diff)
downloadlinux-4a1c948bc688e5ab5e51d12d2f6dd6746e3ac2d9.tar.xz
linux-4a1c948bc688e5ab5e51d12d2f6dd6746e3ac2d9.zip
Merging upstream version 6.1.85.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/kernel/fpu/xstate.c')
-rw-r--r--arch/x86/kernel/fpu/xstate.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index ebe698f8a..2aa849705 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -177,10 +177,11 @@ void fpu__init_cpu_xstate(void)
* Must happen after CR4 setup and before xsetbv() to allow KVM
* lazy passthrough. Write independent of the dynamic state static
* key as that does not work on the boot CPU. This also ensures
- * that any stale state is wiped out from XFD.
+ * that any stale state is wiped out from XFD. Reset the per CPU
+ * xfd cache too.
*/
if (cpu_feature_enabled(X86_FEATURE_XFD))
- wrmsrl(MSR_IA32_XFD, init_fpstate.xfd);
+ xfd_set_state(init_fpstate.xfd);
/*
* XCR_XFEATURE_ENABLED_MASK (aka. XCR0) sets user features