From: Thomas Gleixner Date: Thu, 14 Oct 2021 23:09:40 +0000 (+0200) Subject: x86/fpu/xstate: Move remaining xfeature helpers to core X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d72c87018d00782c3ac0a844c372158087debc0a;p=linux.git 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: Thomas Gleixner Signed-off-by: Borislav Petkov Link: https://lkml.kernel.org/r/20211014230739.514095101@linutronix.de --- diff --git a/arch/x86/include/asm/fpu/xstate.h b/arch/x86/include/asm/fpu/xstate.h index 61ae396bc6e7a..43ae89d4bcd23 100644 --- a/arch/x86/include/asm/fpu/xstate.h +++ b/arch/x86/include/asm/fpu/xstate.h @@ -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, diff --git a/arch/x86/kernel/fpu/xstate.h b/arch/x86/kernel/fpu/xstate.h index 3d45eb04471b6..a1aa0bad2c9ca 100644 --- a/arch/x86/kernel/fpu/xstate.h +++ b/arch/x86/kernel/fpu/xstate.h @@ -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