We die() if we can't read KVM_CAP_NR_VCPUS, but the API docs suggest to assume
the value 4 in this case. This is pertinent to PPC KVM, which currently
does not support this CAP.
Signed-off-by: Matt Evans <m...@ozlabs.org>
---
tools/kvm/kvm.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/tools/kvm/kvm.c b/tools/kvm/kvm.c
index 0356d74..0bbe9ba 100644
--- a/tools/kvm/kvm.c
+++ b/tools/kvm/kvm.c
@@ -266,7 +266,11 @@ int kvm__recommended_cpus(struct kvm *kvm)
ret = ioctl(kvm->sys_fd, KVM_CHECK_EXTENSION, KVM_CAP_NR_VCPUS);
if (ret <= 0)
- die_perror("KVM_CAP_NR_VCPUS");
+ /*
+ * api.txt states that if KVM_CAP_NR_VCPUS does not exist,
+ * assume 4.
+ */
+ return 4;
return ret;
}
--
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