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authorMichael Mueller <mimu@linux.ibm.com>2019-01-31 11:52:41 +0300
committerChristian Borntraeger <borntraeger@de.ibm.com>2019-02-05 16:29:23 +0300
commit25c84dbaec6a5079ab64cf8b633ec811f8e43fdd (patch)
treeedef0621e7c040a0829b372981c3827da2130e1d /arch/s390
parent1282c21eb3dac324b8531bf2e0e0fbd9d5b6516b (diff)
downloadlinux-25c84dbaec6a5079ab64cf8b633ec811f8e43fdd.tar.xz
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>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/asm/kvm_host.h3
-rw-r--r--arch/s390/kvm/kvm-s390.c1
2 files changed, 3 insertions, 1 deletions
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 397af0d33539..7077762ab460 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -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 {
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index ede89172b8f4..0de062e989e2 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -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++) {