From 0004a9dfeaa709a7f853487aba19932c9b1a87c8 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 31 Oct 2006 03:45:07 +0000 Subject: [MIPS] Cleanup memory barriers for weakly ordered systems. Also the R4000 / R4600 LL/SC instructions imply a sync so no explicit sync needed. Signed-off-by: Ralf Baechle --- arch/mips/kernel/smp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/mips/kernel') diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 49db516789e..f2a8701e414 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -172,7 +172,7 @@ int smp_call_function (void (*func) (void *info), void *info, int retry, spin_lock(&smp_call_lock); call_data = &data; - mb(); + smp_mb(); /* Send a message to all other CPUs and wait for them to respond */ for_each_online_cpu(i) @@ -204,7 +204,7 @@ void smp_call_function_interrupt(void) * Notify initiating CPU that I've grabbed the data and am * about to execute the function. */ - mb(); + smp_mb(); atomic_inc(&call_data->started); /* @@ -215,7 +215,7 @@ void smp_call_function_interrupt(void) irq_exit(); if (wait) { - mb(); + smp_mb(); atomic_inc(&call_data->finished); } } -- cgit v1.2.3