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sparc: Fixed random SPARC/LEON SMP CPU Stuck problem. 

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Hellstrom 2010-10-25 21:23:46 +00:00 committed by David S. Miller
parent a3e5a375fe
commit 502279a7cd
1 changed files with 2 additions and 2 deletions
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4
arch/sparc/kernel/leon_smp.c
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@ -56,8 +56,8 @@ void __init leon_configure_cache_smp(void);
static inline unsigned long do_swap(volatile unsigned long *ptr,
unsigned long val)
{
__asm__ __volatile__("swapa [%1] %2, %0\n\t" : "=&r"(val)
: "r"(ptr), "i"(ASI_LEON_DCACHE_MISS)
__asm__ __volatile__("swapa [%2] %3, %0\n\t" : "=&r"(val)
: "0"(val), "r"(ptr), "i"(ASI_LEON_DCACHE_MISS)
: "memory");
return val;
}