| Date | Mon, 21 May 2007 12:17:06 -0700 | From | Chris Wright <> | Subject | [patch 54/69] SPARC64: Add missing cpus_empty() check in hypervisor xcall handling. |
| |
-stable review patch. If anyone has any objections, please let us know. ---------------------
From: David Miller <davem@davemloft.net>
--- arch/sparc64/kernel/smp.c | 3 +++ 1 file changed, 3 insertions(+)
--- linux-2.6.21.1.orig/arch/sparc64/kernel/smp.c +++ linux-2.6.21.1/arch/sparc64/kernel/smp.c @@ -566,6 +566,9 @@ static void hypervisor_xcall_deliver(u64 unsigned long flags, status; int cnt, retries, this_cpu, prev_sent, i; + if (cpus_empty(mask)) + return; + /* We have to do this whole thing with interrupts fully disabled. * Otherwise if we send an xcall from interrupt context it will * corrupt both our mondo block and cpu list state. -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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