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x86/fpu: Rename __thread_fpu_begin() to fpregs_activate()

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Propagate the 'fpu->fpregs_active' naming to the high level
function that sets it.

Reviewed-by: Borislav Petkov <bp@alien8.de>
Cc: Andy Lutomirski <luto@amacapital.net>
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: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2015-04-24 14:30:38 +02:00
parent 723c58e428
commit 232f62cdd7
2 changed files with 5 additions and 5 deletions
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6
arch/x86/include/asm/fpu/internal.h
View File

@ -342,7 +342,7 @@ static inline void __thread_fpu_end(struct fpu *fpu)
stts();
}
static inline void __thread_fpu_begin(struct fpu *fpu)
static inline void fpregs_activate(struct fpu *fpu)
{
if (!use_eager_fpu())
clts();
@ -441,7 +441,7 @@ switch_fpu_prepare(struct fpu *old_fpu, struct fpu *new_fpu, int cpu)
fpu.preload = 0;
else
prefetch(new_fpu->state);
__thread_fpu_begin(new_fpu);
fpregs_activate(new_fpu);
}
}
return fpu;
@ -499,7 +499,7 @@ static inline void user_fpu_begin(void)
preempt_disable();
if (!user_has_fpu())
__thread_fpu_begin(fpu);
fpregs_activate(fpu);
preempt_enable();
}

4
arch/x86/kernel/fpu/core.c
View File

@ -368,9 +368,9 @@ void fpu__restore(void)
local_irq_disable();
}
/* Avoid __kernel_fpu_begin() right after __thread_fpu_begin() */
/* Avoid __kernel_fpu_begin() right after fpregs_activate() */
kernel_fpu_disable();
__thread_fpu_begin(fpu);
fpregs_activate(fpu);
if (unlikely(restore_fpu_checking(fpu))) {
fpu_reset_state(fpu);
force_sig_info(SIGSEGV, SEND_SIG_PRIV, tsk);