diff options
| -rw-r--r-- | arch/sparc64/mm/tsb.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/sparc64/mm/tsb.c b/arch/sparc64/mm/tsb.c index 3547937b17a..587f8efb2e0 100644 --- a/arch/sparc64/mm/tsb.c +++ b/arch/sparc64/mm/tsb.c @@ -1,9 +1,10 @@ /* arch/sparc64/mm/tsb.c * - * Copyright (C) 2006 David S. Miller <davem@davemloft.net> + * Copyright (C) 2006, 2008 David S. Miller <davem@davemloft.net> */ #include <linux/kernel.h> +#include <linux/preempt.h> #include <asm/system.h> #include <asm/page.h> #include <asm/tlbflush.h> @@ -415,7 +416,9 @@ retry_tsb_alloc: tsb_context_switch(mm); /* Now force other processors to do the same. */ + preempt_disable(); smp_tsb_sync(mm); + preempt_enable(); /* Now it is safe to free the old tsb. */ kmem_cache_free(tsb_caches[old_cache_index], old_tsb); |