Commit b754c739 authored Sep 02, 2014 by Paul Mackerras Committed by Alexander Graf Sep 22, 2014

KVM: PPC: Book3S HV: Increase timeout for grabbing secondary threads



Occasional failures have been seen with split-core mode and migration
where the message "KVM: couldn't grab cpu" appears.  This increases
the length of time that we wait from 1ms to 10ms, which seems to
work around the issue.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>

parent e9a94832

arch/powerpc/kvm/book3s_hv.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1489,7 +1489,7 @@ static void kvmppc_remove_runnable(struct kvmppc_vcore *vc,
		static int kvmppc_grab_hwthread(int cpu)
		{
		struct paca_struct *tpaca;
		long timeout = 1000;
		long timeout = 10000;

		tpaca = &paca[cpu];