diff options
| author |   Thomas Gleixner <tglx@linutronix.de> | 2021-10-15 03:16:23 +0200 |
|---|---|---|
| committer |   Borislav Petkov <bp@suse.de> | 2021-10-20 15:27:28 +0200 |
| commit | b579d0c3750eedc0dee433edaba88206a8e4348a (patch) | |
| tree | 10c4b551b2d369e89095b16587bf181add984160 /arch/x86/include/asm/fpu/internal.h | |
| parent | x86/fpu: Clean up CPU feature tests (diff) | |
| download | linux-dev-b579d0c3750eedc0dee433edaba88206a8e4348a.tar.xz linux-dev-b579d0c3750eedc0dee433edaba88206a8e4348a.zip | |
x86/fpu: Make os_xrstor_booting() private
It's only required in the xstate init code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211015011539.455836597@linutronix.de
Diffstat (limited to 'arch/x86/include/asm/fpu/internal.h')
| -rw-r--r-- | arch/x86/include/asm/fpu/internal.h | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h index 5da7528b3b2f..3ad2ae73efa5 100644 --- a/arch/x86/include/asm/fpu/internal.h +++ b/arch/x86/include/asm/fpu/internal.h @@ -226,31 +226,6 @@ static inline void fxsave(struct fxregs_state *fx) : "memory") /* - * This function is called only during boot time when x86 caps are not set - * up and alternative can not be used yet. - */ -static inline void os_xrstor_booting(struct xregs_state *xstate) -{ - u64 mask = xfeatures_mask_fpstate(); - u32 lmask = mask; - u32 hmask = mask >> 32; - int err; - - WARN_ON(system_state != SYSTEM_BOOTING); - - if (boot_cpu_has(X86_FEATURE_XSAVES)) - XSTATE_OP(XRSTORS, xstate, lmask, hmask, err); - else - XSTATE_OP(XRSTOR, xstate, lmask, hmask, err); - - /* - * We should never fault when copying from a kernel buffer, and the FPU - * state we set at boot time should be valid. - */ - WARN_ON_FPU(err); -} - -/* * Save processor xstate to xsave area. * * Uses either XSAVE or XSAVEOPT or XSAVES depending on the CPU features |