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x86/cpufeature: Remove cpu_has_pge

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Use static_cpu_has() in __flush_tlb_all() due to the time-sensitivity of
this one.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1459266123-21878-10-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Borislav Petkov
2016-03-29 17:42:02 +02:00
committed by Ingo Molnar
parent 054efb6467
commit c109bf9599
8 changed files with 11 additions and 12 deletions
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4
arch/x86/kernel/cpu/mtrr/generic.c
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@@ -741,7 +741,7 @@ static void prepare_set(void) __acquires(set_atomicity_lock)
wbinvd();
/* Save value of CR4 and clear Page Global Enable (bit 7) */
if (cpu_has_pge) {
if (boot_cpu_has(X86_FEATURE_PGE)) {
cr4 = __read_cr4();
__write_cr4(cr4 & ~X86_CR4_PGE);
}
@@ -771,7 +771,7 @@ static void post_set(void) __releases(set_atomicity_lock)
write_cr0(read_cr0() & ~X86_CR0_CD);
/* Restore value of CR4 */
if (cpu_has_pge)
if (boot_cpu_has(X86_FEATURE_PGE))
__write_cr4(cr4);
raw_spin_unlock(&set_atomicity_lock);
}