Commit 6a81d7eb authored by Ingo Molnar's avatar Ingo Molnar
Browse files

x86/fpu: Rename fpu__activate_fpstate() to fpu__activate_fpstate_write() 



Remaining users of fpu__activate_fpstate() are all places that want to modify
FPU registers, rename the function to fpu__activate_fpstate_write() according
to this usage.

Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Bobby Powers <bobbypowers@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 9ba6b791

arch/x86/include/asm/fpu/internal.h

+1 −1
Original line number Diff line number Diff line
@@ -23,7 +23,7 @@ 
 */

extern void fpu__activate_curr(struct fpu *fpu);

extern void fpu__activate_fpstate_read(struct fpu *fpu);

extern void fpu__activate_fpstate(struct fpu *fpu);

extern void fpu__activate_fpstate_write(struct fpu *fpu);

extern void fpu__save(struct fpu *fpu);

extern void fpu__restore(struct fpu *fpu);

extern int  fpu__restore_sig(void __user *buf, int ia32_frame);

arch/x86/kernel/fpu/core.c

+1 −1
Original line number Diff line number Diff line
@@ -345,7 +345,7 @@ void fpu__activate_fpstate_read(struct fpu *fpu) 
 *       the read-only case, it's not strictly necessary for

 *       read-only access to the context.

 */

void fpu__activate_fpstate(struct fpu *fpu)

void fpu__activate_fpstate_write(struct fpu *fpu)

{

	/*

	 * If fpregs are active (in the current CPU), then

arch/x86/kernel/fpu/regset.c

+3 −3
Original line number Diff line number Diff line
@@ -50,7 +50,7 @@ int xfpregs_set(struct task_struct *target, const struct user_regset *regset, 
	if (!cpu_has_fxsr)

		return -ENODEV;



	fpu__activate_fpstate(fpu);

	fpu__activate_fpstate_write(fpu);

	fpstate_sanitize_xstate(fpu);



	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
@@ -111,7 +111,7 @@ int xstateregs_set(struct task_struct *target, const struct user_regset *regset, 
	if (!cpu_has_xsave)

		return -ENODEV;



	fpu__activate_fpstate(fpu);

	fpu__activate_fpstate_write(fpu);



	xsave = &fpu->state.xsave;
@@ -303,7 +303,7 @@ int fpregs_set(struct task_struct *target, const struct user_regset *regset, 
	struct user_i387_ia32_struct env;

	int ret;



	fpu__activate_fpstate(fpu);

	fpu__activate_fpstate_write(fpu);

	fpstate_sanitize_xstate(fpu);



	if (!static_cpu_has(X86_FEATURE_FPU))

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