# \[PATCH MANUALSEL 5.10 4/5\] KVM: MIPS: Cap KVM\_CAP\_NR\_VCPUS by KVM\_CAP\_MAX\_VCPUS

- From: Sasha Levin \<sashal@kernel.org\>
- Date: 2021-11-23 16:37:25 
- List: linux-mips
- Page: https://ratatoskr.run/linux-mips/2021/11/1582998
- Thread: https://ratatoskr.run/stable/2021/11/1582995/t.md

```text
From: Vitaly Kuznetsov <vkuznets@redhat.com>

[ Upstream commit 57a2e13ebdda8b65602b44ec8b80e385603eb84c ]

It doesn't make sense to return the recommended maximum number of
vCPUs which exceeds the maximum possible number of vCPUs.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: [ref]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/mips/kvm/mips.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 3d6a7f5827b17..a9f1f37009850 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -1074,7 +1074,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
 		r = 1;
 		break;
 	case KVM_CAP_NR_VCPUS:
-		r = num_online_cpus();
+		r = min_t(unsigned int, num_online_cpus(), KVM_MAX_VCPUS);
 		break;
 	case KVM_CAP_MAX_VCPUS:
 		r = KVM_MAX_VCPUS;
-- 
2.33.0

```