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Subject[PATCH 33/33] x86/fpu: Rename fpu__activate_fpstate_read/write() to fpu__read/write()
Date
As per the new nomenclature we don't 'activate' the FPU state
anymore, we initialize it. So drop the _activate_fpstate name
from these functions, which were a bit of a mouthful anyway.

Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Eric Biggers <ebiggers3@gmail.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: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/include/asm/fpu/internal.h | 4 ++--
arch/x86/kernel/fpu/core.c | 4 ++--
arch/x86/kernel/fpu/regset.c | 12 ++++++------
3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index 7c980aafb8aa..8d90b8afc7a8 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -24,8 +24,8 @@
* High level FPU state handling functions:
*/
extern void fpu__initialize(struct fpu *fpu);
-extern void fpu__activate_fpstate_read(struct fpu *fpu);
-extern void fpu__activate_fpstate_write(struct fpu *fpu);
+extern void fpu__read(struct fpu *fpu);
+extern void fpu__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);
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index ca580d90799d..99033eeb7ec0 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -245,7 +245,7 @@ EXPORT_SYMBOL_GPL(fpu__initialize);
* If the task has not used the FPU before then initialize its
* fpstate.
*/
-void fpu__activate_fpstate_read(struct fpu *fpu)
+void fpu__read(struct fpu *fpu)
{
WARN_ON_FPU(fpu == &current->thread.fpu);

@@ -272,7 +272,7 @@ void fpu__activate_fpstate_read(struct fpu *fpu)
* state pending on its former CPU could be restored, corrupting
* the modifications.
*/
-void fpu__activate_fpstate_write(struct fpu *fpu)
+void fpu__write(struct fpu *fpu)
{
/*
* Only stopped child tasks can be used to modify the FPU
diff --git a/arch/x86/kernel/fpu/regset.c b/arch/x86/kernel/fpu/regset.c
index 5c2a051baeac..2bbcc3d09bb5 100644
--- a/arch/x86/kernel/fpu/regset.c
+++ b/arch/x86/kernel/fpu/regset.c
@@ -38,7 +38,7 @@ int xfpregs_get(struct task_struct *target, const struct user_regset *regset,
if (!boot_cpu_has(X86_FEATURE_FXSR))
return -ENODEV;

- fpu__activate_fpstate_read(fpu);
+ fpu__read(fpu);
fpstate_sanitize_xstate(fpu);

return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
@@ -55,7 +55,7 @@ int xfpregs_set(struct task_struct *target, const struct user_regset *regset,
if (!boot_cpu_has(X86_FEATURE_FXSR))
return -ENODEV;

- fpu__activate_fpstate_write(fpu);
+ fpu__write(fpu);
fpstate_sanitize_xstate(fpu);

ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
@@ -89,7 +89,7 @@ int xstateregs_get(struct task_struct *target, const struct user_regset *regset,

xsave = &fpu->state.xsave;

- fpu__activate_fpstate_read(fpu);
+ fpu__read(fpu);

if (using_compacted_format()) {
if (kbuf)
@@ -132,7 +132,7 @@ int xstateregs_set(struct task_struct *target, const struct user_regset *regset,

xsave = &fpu->state.xsave;

- fpu__activate_fpstate_write(fpu);
+ fpu__write(fpu);

if (using_compacted_format()) {
if (kbuf)
@@ -303,7 +303,7 @@ int fpregs_get(struct task_struct *target, const struct user_regset *regset,
struct fpu *fpu = &target->thread.fpu;
struct user_i387_ia32_struct env;

- fpu__activate_fpstate_read(fpu);
+ fpu__read(fpu);

if (!boot_cpu_has(X86_FEATURE_FPU))
return fpregs_soft_get(target, regset, pos, count, kbuf, ubuf);
@@ -333,7 +333,7 @@ int fpregs_set(struct task_struct *target, const struct user_regset *regset,
struct user_i387_ia32_struct env;
int ret;

- fpu__activate_fpstate_write(fpu);
+ fpu__write(fpu);
fpstate_sanitize_xstate(fpu);

if (!boot_cpu_has(X86_FEATURE_FPU))
--
2.11.0
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