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author | Michael Mueller <mimu@linux.ibm.com> | 2019-01-31 11:52:41 +0300 |
---|---|---|
committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2019-02-05 16:29:23 +0300 |
commit | 25c84dbaec6a5079ab64cf8b633ec811f8e43fdd (patch) | |
tree | edef0621e7c040a0829b372981c3827da2130e1d | |
parent | 1282c21eb3dac324b8531bf2e0e0fbd9d5b6516b (diff) | |
download | linux-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>
-rw-r--r-- | arch/s390/include/asm/kvm_host.h | 3 | ||||
-rw-r--r-- | arch/s390/kvm/kvm-s390.c | 1 |
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++) { |