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authorPaolo Bonzini <pbonzini@redhat.com>2024-01-26 12:57:12 -0500
committerPaolo Bonzini <pbonzini@redhat.com>2024-01-26 12:57:12 -0500
commit3f5198c7f6722b07e6c827d674fdaf3d7019ed21 (patch)
tree38be6f58c539c38dc19b9066f65257fdbb6a6ea2
parent6613476e225e090cc9aad49be7fa504e290dd33d (diff)
parent83303a4c776ce1032d88df59e811183479acea77 (diff)
Merge tag 'kvm-s390-master-6.8-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
pqap instruction missing cc fix vsie shadow creation race fix
-rw-r--r--arch/s390/kvm/priv.c8
-rw-r--r--arch/s390/kvm/vsie.c1
-rw-r--r--arch/s390/mm/gmap.c1
3 files changed, 7 insertions, 3 deletions
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 621a17fd1a1b..f875a404a0a0 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -676,8 +676,12 @@ static int handle_pqap(struct kvm_vcpu *vcpu)
if (vcpu->kvm->arch.crypto.pqap_hook) {
pqap_hook = *vcpu->kvm->arch.crypto.pqap_hook;
ret = pqap_hook(vcpu);
- if (!ret && vcpu->run->s.regs.gprs[1] & 0x00ff0000)
- kvm_s390_set_psw_cc(vcpu, 3);
+ if (!ret) {
+ if (vcpu->run->s.regs.gprs[1] & 0x00ff0000)
+ kvm_s390_set_psw_cc(vcpu, 3);
+ else
+ kvm_s390_set_psw_cc(vcpu, 0);
+ }
up_read(&vcpu->kvm->arch.crypto.pqap_hook_rwsem);
return ret;
}
diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
index fef42e2a80a2..3af3bd20ac7b 100644
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -1235,7 +1235,6 @@ static int acquire_gmap_shadow(struct kvm_vcpu *vcpu,
gmap = gmap_shadow(vcpu->arch.gmap, asce, edat);
if (IS_ERR(gmap))
return PTR_ERR(gmap);
- gmap->private = vcpu->kvm;
vcpu->kvm->stat.gmap_shadow_create++;
WRITE_ONCE(vsie_page->gmap, gmap);
return 0;
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index 6f96b5a71c63..8da39deb56ca 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -1691,6 +1691,7 @@ struct gmap *gmap_shadow(struct gmap *parent, unsigned long asce,
return ERR_PTR(-ENOMEM);
new->mm = parent->mm;
new->parent = gmap_get(parent);
+ new->private = parent->private;
new->orig_asce = asce;
new->edat_level = edat_level;
new->initialized = false;