From e7ecad17c84d0f6bef635c20d02bbe4096eea700 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 23 Jun 2021 14:02:12 +0200 Subject: [PATCH] x86/fpu: Rename fpu__clear_all() to fpu_flush_thread() Make it clear what the function is about. Signed-off-by: Thomas Gleixner Signed-off-by: Borislav Petkov Reviewed-by: Borislav Petkov Link: https://lkml.kernel.org/r/20210623121455.827979263@linutronix.de --- arch/x86/include/asm/fpu/internal.h | 3 ++- arch/x86/kernel/fpu/core.c | 4 ++-- arch/x86/kernel/process.c | 2 +- 3 files changed, 5 insertions(+), 4 deletions(-) diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h index f5da2e9..dabbb70 100644 --- a/arch/x86/include/asm/fpu/internal.h +++ b/arch/x86/include/asm/fpu/internal.h @@ -29,12 +29,13 @@ extern int fpu__restore_sig(void __user *buf, int ia32_frame); extern void fpu__drop(struct fpu *fpu); extern void fpu__clear_user_states(struct fpu *fpu); -extern void fpu__clear_all(struct fpu *fpu); extern int fpu__exception_code(struct fpu *fpu, int trap_nr); extern void fpu_sync_fpstate(struct fpu *fpu); +/* Clone and exit operations */ extern int fpu_clone(struct task_struct *dst); +extern void fpu_flush_thread(void); /* * Boot time FPU initialization functions: diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c index fedadcb..4b69be9 100644 --- a/arch/x86/kernel/fpu/core.c +++ b/arch/x86/kernel/fpu/core.c @@ -350,9 +350,9 @@ void fpu__clear_user_states(struct fpu *fpu) fpu__clear(fpu, true); } -void fpu__clear_all(struct fpu *fpu) +void fpu_flush_thread(void) { - fpu__clear(fpu, false); + fpu__clear(¤t->thread.fpu, false); } /* diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index af3db53..19d05d39 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -205,7 +205,7 @@ void flush_thread(void) flush_ptrace_hw_breakpoint(tsk); memset(tsk->thread.tls_array, 0, sizeof(tsk->thread.tls_array)); - fpu__clear_all(&tsk->thread.fpu); + fpu_flush_thread(); } void disable_TSC(void) -- 2.7.4