From: Christian Borntraeger <borntraeger@de.ibm.com>
Date: Wed, 2 May 2012 08:50:38 +0000 (+0200)
Subject: KVM: s390: implement KVM_CAP_NR/MAX_VCPUS
X-Git-Tag: v3.12-rc1~3092^2~16
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e726b1bd64b0b8945c171d2d4bf749fba9fc0800;p=kernel%2Fkernel-generic.git

KVM: s390: implement KVM_CAP_NR/MAX_VCPUS

Let userspace know the number of max and supported cpus for kvm on s390.
Return KVM_MAX_VCPUS (currently 64) for both values.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index fd98914..e5e3800 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -136,6 +136,10 @@ int kvm_dev_ioctl_check_extension(long ext)
 	case KVM_CAP_SYNC_REGS:
 		r = 1;
 		break;
+	case KVM_CAP_NR_VCPUS:
+	case KVM_CAP_MAX_VCPUS:
+		r = KVM_MAX_VCPUS;
+		break;
 	default:
 		r = 0;
 	}