diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2021-10-15 01:09:35 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2021-10-21 20:36:58 +0200 |
| commit | 1c253ff2287fe31307a67938c4487936db967ff5 (patch) | |
| tree | 11268e05b6b6c3b55b45b31acce96fd3fec3abf1 /arch/x86/include/asm/fpu | |
| parent | 2bd264bce238cedbf00bde1f28ad51ba45b9114e (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')
| -rw-r--r-- | arch/x86/include/asm/fpu/xstate.h | 10 |
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); } |