Commit 17f34f0e authored by David S. Miller's avatar David S. Miller
Browse files

[SPARC64]: Add missing cpus_empty() check in hypervisor xcall handling. 



Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ec6fb1ad

arch/sparc64/kernel/smp.c

+3 −0
Original line number Diff line number Diff line
@@ -561,6 +561,9 @@ static void hypervisor_xcall_deliver(u64 data0, u64 data1, u64 data2, cpumask_t 
	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.