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Commit efed1104 authored by David Hildenbrand's avatar David Hildenbrand Committed by Christian Borntraeger
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KVM: s390: handle missing guest-storage-limit-suppression 



If guest-storage-limit-suppression is not available, we would for now
have a valid guest address space with size 0. So let's simply set the
origin to 0 and the limit to hamax.

Signed-off-by: default avatarDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
parent 5236c751

arch/s390/include/asm/kvm_host.h

+3 −1
Original line number Diff line number Diff line
@@ -186,7 +186,9 @@ struct kvm_s390_sie_block { 
	__u32	scaol;			/* 0x0064 */

	__u8	reserved68[4];		/* 0x0068 */

	__u32	todpr;			/* 0x006c */

	__u8	reserved70[32];		/* 0x0070 */

	__u8	reserved70[16];		/* 0x0070 */

	__u64	mso;			/* 0x0080 */

	__u64	msl;			/* 0x0088 */

	psw_t	gpsw;			/* 0x0090 */

	__u64	gg14;			/* 0x00a0 */

	__u64	gg15;			/* 0x00a8 */

arch/s390/kvm/kvm-s390.c

+4 −0
Original line number Diff line number Diff line
@@ -1897,6 +1897,10 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, 
	vcpu->arch.sie_block = &sie_page->sie_block;

	vcpu->arch.sie_block->itdba = (unsigned long) &sie_page->itdb;



	/* the real guest size will always be smaller than msl */

	vcpu->arch.sie_block->mso = 0;

	vcpu->arch.sie_block->msl = sclp.hamax;



	vcpu->arch.sie_block->icpua = id;

	spin_lock_init(&vcpu->arch.local_int.lock);

	vcpu->arch.local_int.float_int = &kvm->arch.float_int;