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KVM: s390: add kvm reference to struct sie_page2 

Adding the kvm reference to struct sie_page2 will allow to
determine the kvm a given gisa belongs to:

  container_of(gisa, struct sie_page2, gisa)->kvm

This functionality will be required to process a gisa in
gib alert interruption context.

Signed-off-by: Michael Mueller <mimu@linux.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Message-Id: <20190131085247.13826-11-mimu@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Michael Mueller 2019-01-31 09:52:41 +01:00 committed by Christian Borntraeger
parent 1282c21eb3
commit 25c84dbaec
2 changed files with 3 additions and 1 deletions
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3
arch/s390/include/asm/kvm_host.h
View File

@ -801,7 +801,8 @@ struct sie_page2 {
__u64 fac_list[S390_ARCH_FAC_LIST_SIZE_U64]; /* 0x0000 */
struct kvm_s390_crypto_cb crycb; /* 0x0800 */
struct kvm_s390_gisa gisa; /* 0x0900 */
u8 reserved920[0x1000 - 0x920]; /* 0x0920 */
struct kvm *kvm; /* 0x0920 */
u8 reserved928[0x1000 - 0x928]; /* 0x0928 */
};
struct kvm_s390_vsie {

1
arch/s390/kvm/kvm-s390.c
View File

@ -2210,6 +2210,7 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
if (!kvm->arch.sie_page2)
goto out_err;
kvm->arch.sie_page2->kvm = kvm;
kvm->arch.model.fac_list = kvm->arch.sie_page2->fac_list;
for (i = 0; i < kvm_s390_fac_size(); i++) {