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x86/fpu: Rename init_thread_xstate() to fpstate_xstate_init_size() 

So init_thread_xstate() is a misnomer in that it's not really related to a specific
thread - it determines, once during initial bootup, the size of the xstate context.

Also improve the comments.

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 2015-04-03 13:22:42 +02:00
parent 3a9c4b0d7e
commit 3f6a0bce90
1 changed files with 4 additions and 4 deletions
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8
arch/x86/kernel/i387.c
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@ -158,7 +158,7 @@ static void mxcsr_feature_mask_init(void)
mxcsr_feature_mask &= mask;
}
static void init_thread_xstate(void)
static void fpstate_xstate_init_size(void)
{
/*
* Note that xstate_size might be overwriten later during
@ -216,11 +216,11 @@ void fpu__cpu_init(void)
write_cr0(cr0);
/*
* init_thread_xstate is only called once to avoid overriding
* xstate_size during boot time or during CPU hotplug.
* fpstate_xstate_init_size() is only called once, to avoid overriding
* 'xstate_size' during (secondary CPU) bootup or during CPU hotplug.
*/
if (xstate_size == 0)
init_thread_xstate();
fpstate_xstate_init_size();
mxcsr_feature_mask_init();
xsave_init();