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

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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>
This commit is contained in:
Paul Mackerras 2014-09-02 16:14:42 +10:00 committed by Alexander Graf
parent e9a94832f3
commit b754c739ee
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/kvm/book3s_hv.c
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@ -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];