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Commit 502279a7 authored by Daniel Hellstrom's avatar Daniel Hellstrom Committed by David S. Miller
Browse files

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



Signed-off-by: default avatarDaniel Hellstrom <daniel@gaisler.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a3e5a375

arch/sparc/kernel/leon_smp.c

+2 −2
Original line number Diff line number Diff line
@@ -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;

}