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Commit 17f34f0e authored by David S. Miller's avatar David S. Miller
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[SPARC64]: Add missing cpus_empty() check in hypervisor xcall handling.

parent ec6fb1ad
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+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.