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C6X fixes for v3.9 

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Merge tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming

Pull C6X fix from Mark Salter.

Final (?) fix from the barrier discussion.

* tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming:
  add memory barrier to arch_local_irq_restore
This commit is contained in:
Linus Torvalds 2013-04-10 14:14:27 -07:00
parent 51de017007 f934af05cb
commit eb02db38ee
1 changed files with 1 additions and 1 deletions
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2
arch/c6x/include/asm/irqflags.h
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@ -27,7 +27,7 @@ static inline unsigned long arch_local_save_flags(void)
/* set interrupt enabled status */
static inline void arch_local_irq_restore(unsigned long flags)
{
asm volatile (" mvc .s2 %0,CSR\n" : : "b"(flags));
asm volatile (" mvc .s2 %0,CSR\n" : : "b"(flags) : "memory");
}
/* unconditionally enable interrupts */