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authorThomas Gleixner <tglx@linutronix.de>2021-10-15 01:09:35 +0200
committerBorislav Petkov <bp@suse.de>2021-10-21 20:36:58 +0200
commit1c253ff2287fe31307a67938c4487936db967ff5 (patch)
tree11268e05b6b6c3b55b45b31acce96fd3fec3abf1 /arch/x86/include/asm/fpu/xstate.h
parent2bd264bce238cedbf00bde1f28ad51ba45b9114e (diff)
x86/fpu: Move xstate feature masks to fpu_*_cfg
Move the feature mask storage to the kernel and user config structs. Default and maximum feature set are the same for now. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211014230739.352041752@linutronix.de
Diffstat (limited to 'arch/x86/include/asm/fpu/xstate.h')
-rw-r--r--arch/x86/include/asm/fpu/xstate.h10
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/x86/include/asm/fpu/xstate.h b/arch/x86/include/asm/fpu/xstate.h
index 61fcb15d880a..fe7c9af9ea42 100644
--- a/arch/x86/include/asm/fpu/xstate.h
+++ b/arch/x86/include/asm/fpu/xstate.h
@@ -78,11 +78,9 @@
XFEATURE_MASK_INDEPENDENT | \
XFEATURE_MASK_SUPERVISOR_UNSUPPORTED)
-extern u64 xfeatures_mask_all;
-
static inline u64 xfeatures_mask_supervisor(void)
{
- return xfeatures_mask_all & XFEATURE_MASK_SUPERVISOR_SUPPORTED;
+ return fpu_kernel_cfg.max_features & XFEATURE_MASK_SUPERVISOR_SUPPORTED;
}
/*
@@ -91,7 +89,7 @@ static inline u64 xfeatures_mask_supervisor(void)
*/
static inline u64 xfeatures_mask_uabi(void)
{
- return xfeatures_mask_all & XFEATURE_MASK_USER_SUPPORTED;
+ return fpu_kernel_cfg.max_features & XFEATURE_MASK_USER_SUPPORTED;
}
/*
@@ -102,7 +100,7 @@ static inline u64 xfeatures_mask_uabi(void)
*/
static inline u64 xfeatures_mask_restore_user(void)
{
- return xfeatures_mask_all & XFEATURE_MASK_USER_RESTORE;
+ return fpu_kernel_cfg.max_features & XFEATURE_MASK_USER_RESTORE;
}
/*
@@ -111,7 +109,7 @@ static inline u64 xfeatures_mask_restore_user(void)
*/
static inline u64 xfeatures_mask_fpstate(void)
{
- return xfeatures_mask_all & \
+ return fpu_kernel_cfg.max_features & \
(XFEATURE_MASK_USER_RESTORE | XFEATURE_MASK_SUPERVISOR_SUPPORTED);
}