leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

x86/fpu: Remove old KVM FPU interface

Browse Source 
No more users.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211022185313.074853631@linutronix.de
This commit is contained in:
Thomas Gleixner
2021-10-22 20:55:54 +02:00
committed by Borislav Petkov
parent d69c1382e1
commit 582b01b6ab
2 changed files with 0 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/include/asm/fpu/api.h
View File

@@ -131,14 +131,12 @@ static inline void fpstate_init_soft(struct swregs_state *soft) {}
DECLARE_PER_CPU(struct fpu *, fpu_fpregs_owner_ctx);
/* fpstate-related functions which are exported to KVM */
extern void fpu_init_fpstate_user(struct fpu *fpu);
extern void fpstate_clear_xstate_component(struct fpstate *fps, unsigned int xfeature);
/* KVM specific functions */
extern bool fpu_alloc_guest_fpstate(struct fpu_guest *gfpu);
extern void fpu_free_guest_fpstate(struct fpu_guest *gfpu);
extern int fpu_swap_kvm_fpstate(struct fpu_guest *gfpu, bool enter_guest);
extern void fpu_swap_kvm_fpu(struct fpu *save, struct fpu *rstor, u64 restore_mask);
extern void fpu_copy_guest_fpstate_to_uabi(struct fpu_guest *gfpu, void *buf, unsigned int size, u32 pkru);
extern int fpu_copy_uabi_to_guest_fpstate(struct fpu_guest *gfpu, const void *buf, u64 xcr0, u32 *vpkru);