From a1f26d85171b4d554225150053700e93ba6eba10 Mon Sep 17 00:00:00 2001
From: Andrew Jones <drjones@redhat.com>
Date: Tue, 21 Jan 2014 10:46:52 +0100
Subject: use recommended max vcpu count
RH-Author: Andrew Jones <drjones@redhat.com>
Message-id: <1390301212-15344-1-git-send-email-drjones@redhat.com>
Patchwork-id: 56862
O-Subject: [RHEL7.0 qemu-kvm PATCH v6] use recommended max vcpu count
Bugzilla: 998708
RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
RH-Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
The recommended vcpu max limit (KVM_CAP_NR_VCPUS) should be used instead
of the actual max vcpu limit (KVM_CAP_MAX_VCPUS) to give an error.
This matches the limit tested by QE on RHEL6: 160.
Signed-off-by: Andrew Jones <drjones@redhat.com>
(cherry picked from commit a4ceb63bdc5cbac19f5f633ec761b9de0dedb55e)
---
accel/kvm/kvm-all.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index 46ce479..b42c56a 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -1627,6 +1627,9 @@ static int kvm_init(MachineState *ms)
soft_vcpus_limit = kvm_recommended_vcpus(s);
hard_vcpus_limit = kvm_max_vcpus(s);
+ /* RHEL doesn't support nr_vcpus > soft_vcpus_limit */
+ hard_vcpus_limit = soft_vcpus_limit;
+
while (nc->name) {
if (nc->num > soft_vcpus_limit) {
fprintf(stderr,
--
1.8.3.1