From: Christian Borntraeger Date: Mon, 11 Jun 2012 14:06:57 +0000 (+0200) Subject: KVM: s390: Set CPU in stopped state on initial cpu reset X-Git-Tag: upstream/snapshot3+hdmi~6996^2~68 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=61bde82caee95426bf1ad53fefc8dc691b8ba37c;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git KVM: s390: Set CPU in stopped state on initial cpu reset The initial cpu reset sets the cpu in the stopped state. Several places check for the cpu state (e.g. sigp set prefix) and not setting the STOPPED state triggered errors with newer guest kernels after reboot. Signed-off-by: Christian Borntraeger Signed-off-by: Cornelia Huck Signed-off-by: Marcelo Tosatti --- diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 664766d..ace9360 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -347,6 +347,7 @@ static void kvm_s390_vcpu_initial_reset(struct kvm_vcpu *vcpu) vcpu->arch.guest_fpregs.fpc = 0; asm volatile("lfpc %0" : : "Q" (vcpu->arch.guest_fpregs.fpc)); vcpu->arch.sie_block->gbea = 1; + atomic_set_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags); } int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)