diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2021-10-22 20:55:54 +0200 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2021-10-23 17:05:19 +0200 |
| commit | 582b01b6ab2714a0a4d554cea7f0d4efeaa2154d (patch) | |
| tree | 82468a69ab3c98b515b003404b9cc667160a83de /arch/x86/kernel/fpu/core.c | |
| parent | d69c1382e1b73a0496a70872a035ca2b22d074e5 (diff) | |
x86/fpu: Remove old KVM FPU interface
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
Diffstat (limited to 'arch/x86/kernel/fpu/core.c')
| -rw-r--r-- | arch/x86/kernel/fpu/core.c | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c index 01fbf7c3e799..9c475e2efd4d 100644 --- a/arch/x86/kernel/fpu/core.c +++ b/arch/x86/kernel/fpu/core.c @@ -245,29 +245,6 @@ int fpu_swap_kvm_fpstate(struct fpu_guest *guest_fpu, bool enter_guest) } EXPORT_SYMBOL_GPL(fpu_swap_kvm_fpstate); -void fpu_swap_kvm_fpu(struct fpu *save, struct fpu *rstor, u64 restore_mask) -{ - fpregs_lock(); - - if (save) { - struct fpstate *fpcur = current->thread.fpu.fpstate; - - if (test_thread_flag(TIF_NEED_FPU_LOAD)) - memcpy(&save->fpstate->regs, &fpcur->regs, fpcur->size); - else - save_fpregs_to_fpstate(save); - } - - if (rstor) { - restore_mask &= XFEATURE_MASK_FPSTATE; - restore_fpregs_from_fpstate(rstor->fpstate, restore_mask); - } - - fpregs_mark_activate(); - fpregs_unlock(); -} -EXPORT_SYMBOL_GPL(fpu_swap_kvm_fpu); - void fpu_copy_guest_fpstate_to_uabi(struct fpu_guest *gfpu, void *buf, unsigned int size, u32 pkru) { @@ -437,15 +414,6 @@ void fpstate_reset(struct fpu *fpu) __fpstate_reset(fpu->fpstate); } -#if IS_ENABLED(CONFIG_KVM) -void fpu_init_fpstate_user(struct fpu *fpu) -{ - fpstate_reset(fpu); - fpstate_init_user(fpu->fpstate); -} -EXPORT_SYMBOL_GPL(fpu_init_fpstate_user); -#endif - /* Clone current's FPU state on fork */ int fpu_clone(struct task_struct *dst) { |