diff options
| author |   Thomas Gleixner <tglx@linutronix.de> | 2021-06-23 14:02:01 +0200 |
|---|---|---|
| committer |   Borislav Petkov <bp@suse.de> | 2021-06-23 18:36:42 +0200 |
| commit | 1c61fada304c125c3f8a2b8eb1896406e4098a05 (patch) | |
| tree | ea289882516a95c1bb4472fccf9b1669bd97062d /arch/x86/include/asm/fpu/internal.h | |
| parent | x86/fpu: Get rid of the FNSAVE optimization (diff) | |
| download | linux-dev-1c61fada304c125c3f8a2b8eb1896406e4098a05.tar.xz linux-dev-1c61fada304c125c3f8a2b8eb1896406e4098a05.zip | |
x86/fpu: Rename copy_kernel_to_fpregs() to restore_fpregs_from_fpstate()
This is not a copy functionality. It restores the register state from the
supplied kernel buffer.
No functional changes.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210623121454.716058365@linutronix.de
Diffstat (limited to 'arch/x86/include/asm/fpu/internal.h')
| -rw-r--r-- | arch/x86/include/asm/fpu/internal.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h index 3e0eedaacdac..3558cd05c62f 100644 --- a/arch/x86/include/asm/fpu/internal.h +++ b/arch/x86/include/asm/fpu/internal.h @@ -376,7 +376,7 @@ static inline int os_xrstor_safe(struct xregs_state *xstate, u64 mask) return err; } -static inline void __copy_kernel_to_fpregs(union fpregs_state *fpstate, u64 mask) +static inline void __restore_fpregs_from_fpstate(union fpregs_state *fpstate, u64 mask) { if (use_xsave()) { os_xrstor(&fpstate->xsave, mask); @@ -388,7 +388,7 @@ static inline void __copy_kernel_to_fpregs(union fpregs_state *fpstate, u64 mask } } -static inline void copy_kernel_to_fpregs(union fpregs_state *fpstate) +static inline void restore_fpregs_from_fpstate(union fpregs_state *fpstate) { /* * AMD K7/K8 CPUs don't save/restore FDP/FIP/FOP unless an exception is @@ -403,7 +403,7 @@ static inline void copy_kernel_to_fpregs(union fpregs_state *fpstate) : : [addr] "m" (fpstate)); } - __copy_kernel_to_fpregs(fpstate, -1); + __restore_fpregs_from_fpstate(fpstate, -1); } extern int copy_fpstate_to_sigframe(void __user *buf, void __user *fp, int size); @@ -474,7 +474,7 @@ static inline void __fpregs_load_activate(void) return; if (!fpregs_state_valid(fpu, cpu)) { - copy_kernel_to_fpregs(&fpu->state); + restore_fpregs_from_fpstate(&fpu->state); fpregs_activate(fpu); fpu->last_cpu = cpu; } |