Messages in this thread | | | Date | Tue, 26 Apr 2016 09:44:58 +0200 | From | Cornelia Huck <> | Subject | Re: [PATCH v4 1/2] KVM: remove NULL return path for vcpu ids >= KVM_MAX_VCPUS |
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On Thu, 21 Apr 2016 16:15:05 +0200 Greg Kurz <gkurz@linux.vnet.ibm.com> wrote:
> Commit c896939f7cff ("KVM: use heuristic for fast VCPU lookup by id") added > a return path that prevents vcpu ids to exceed KVM_MAX_VCPUS. This is a > problem for powerpc where vcpu ids can grow up to 8*KVM_MAX_VCPUS. > > This patch simply reverses the logic so that we only try fast path if the > vcpu id can be tried as an index in kvm->vcpus[]. The slow path is not > affected by the change. > > Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com> > --- > include/linux/kvm_host.h | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-)
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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