From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 15 Oct 2021 01:09:40 +0200
Subject: x86/fpu/xstate: Move remaining xfeature helpers to core
Git-commit: d72c87018d00782c3ac0a844c372158087debc0a
Patch-mainline: v5.15 or v5.15-rc8 (next release)
References: jsc#SLE-18931
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 <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211014230739.514095101@linutronix.de
---
arch/x86/include/asm/fpu/xstate.h | 13 -------------
arch/x86/kernel/fpu/xstate.h | 13 +++++++++++++
2 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/arch/x86/include/asm/fpu/xstate.h b/arch/x86/include/asm/fpu/xstate.h
index 61ae396bc6e7..43ae89d4bcd2 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 3d45eb04471b..a1aa0bad2c9c 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