Commit d72c8701 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Borislav Petkov
Browse files

x86/fpu/xstate: Move remaining xfeature helpers to core 



Now that everything is mopped up, move all the helpers and prototypes into
the core header. They are not required by the outside.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211014230739.514095101@linutronix.de
parent eda32f4f

arch/x86/include/asm/fpu/xstate.h

+0 −13
Original line number Diff line number Diff line
@@ -86,19 +86,6 @@ 
#define XFEATURE_MASK_FPSTATE	(XFEATURE_MASK_USER_RESTORE | \

				 XFEATURE_MASK_SUPERVISOR_SUPPORTED)



static inline u64 xfeatures_mask_supervisor(void)

{

	return fpu_kernel_cfg.max_features & XFEATURE_MASK_SUPERVISOR_SUPPORTED;

}



static inline u64 xfeatures_mask_independent(void)

{

	if (!boot_cpu_has(X86_FEATURE_ARCH_LBR))

		return XFEATURE_MASK_INDEPENDENT & ~XFEATURE_MASK_LBR;



	return XFEATURE_MASK_INDEPENDENT;

}



extern u64 xstate_fx_sw_bytes[USER_XSTATE_FX_SW_WORDS];



extern void __init update_regset_xstate_info(unsigned int size,

arch/x86/kernel/fpu/xstate.h

+13 −0
Original line number Diff line number Diff line
@@ -35,6 +35,19 @@ extern void fpu__init_system_xstate(unsigned int legacy_size); 


extern void *get_xsave_addr(struct xregs_state *xsave, int xfeature_nr);



static inline u64 xfeatures_mask_supervisor(void)

{

	return fpu_kernel_cfg.max_features & XFEATURE_MASK_SUPERVISOR_SUPPORTED;

}



static inline u64 xfeatures_mask_independent(void)

{

	if (!cpu_feature_enabled(X86_FEATURE_ARCH_LBR))

		return XFEATURE_MASK_INDEPENDENT & ~XFEATURE_MASK_LBR;



	return XFEATURE_MASK_INDEPENDENT;

}



/* XSAVE/XRSTOR wrapper functions */



#ifdef CONFIG_X86_64