diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2021-10-15 03:16:41 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2021-10-20 15:27:29 +0200 |
| commit | 079ec41b22b952cdf3126527d735e373c9125f6d (patch) | |
| tree | 4b05e6bf06ae8062b7f879db9e0b2d4574f2fca5 /arch/x86/include/asm/fpu/api.h | |
| parent | b56d2795b29792c465cc8ef036abad5127a003fb (diff) | |
| download | linux-079ec41b22b952cdf3126527d735e373c9125f6d.tar.bz2 | |
x86/fpu: Provide a proper function for ex_handler_fprestore()
To make upcoming changes for support of dynamically enabled features
simpler, provide a proper function for the exception handler which removes
exposure of FPU internals.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211015011540.053515012@linutronix.de
Diffstat (limited to 'arch/x86/include/asm/fpu/api.h')
| -rw-r--r-- | arch/x86/include/asm/fpu/api.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/x86/include/asm/fpu/api.h b/arch/x86/include/asm/fpu/api.h index c691f079a56e..9263d708dff9 100644 --- a/arch/x86/include/asm/fpu/api.h +++ b/arch/x86/include/asm/fpu/api.h @@ -113,6 +113,7 @@ static inline void update_pasid(void) { } /* Trap handling */ extern int fpu__exception_code(struct fpu *fpu, int trap_nr); extern void fpu_sync_fpstate(struct fpu *fpu); +extern void fpu_reset_from_exception_fixup(void); /* Boot, hotplug and resume */ extern void fpu__init_cpu(void); @@ -129,9 +130,6 @@ static inline void fpstate_init_soft(struct swregs_state *soft) {} /* State tracking */ DECLARE_PER_CPU(struct fpu *, fpu_fpregs_owner_ctx); -/* fpstate */ -extern union fpregs_state init_fpstate; - /* fpstate-related functions which are exported to KVM */ extern void fpu_init_fpstate_user(struct fpu *fpu); |