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authorChristian Ehrhardt <ehrhardt@linux.vnet.ibm.com>2009-05-25 07:40:51 -0400
committerAvi Kivity <avi@redhat.com>2009-09-10 01:32:42 -0400
commit628eb9b8a8f3ef31d8316112a4596b1a21b38159 (patch)
treedb34c09360a93e0bb888195745f45017abb07f14 /arch/s390/kvm/sigp.c
parentb1d16c495d9e6fe48e7df2e1d18cafc6555a116a (diff)
KVM: s390: streamline memslot handling
This patch relocates the variables kvm-s390 uses to track guest mem addr/size. As discussed dropping the variables at struct kvm_arch level allows to use the common vcpu->request based mechanism to reload guest memory if e.g. changes via set_memory_region. The kick mechanism introduced in this series is used to ensure running vcpus leave guest state to catch the update. Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/s390/kvm/sigp.c')
-rw-r--r--arch/s390/kvm/sigp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index 21897b0f8a36..40c8c6748cfe 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -189,9 +189,9 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address,
189 /* make sure that the new value is valid memory */ 189 /* make sure that the new value is valid memory */
190 address = address & 0x7fffe000u; 190 address = address & 0x7fffe000u;
191 if ((copy_from_guest(vcpu, &tmp, 191 if ((copy_from_guest(vcpu, &tmp,
192 (u64) (address + vcpu->kvm->arch.guest_origin) , 1)) || 192 (u64) (address + vcpu->arch.sie_block->gmsor) , 1)) ||
193 (copy_from_guest(vcpu, &tmp, (u64) (address + 193 (copy_from_guest(vcpu, &tmp, (u64) (address +
194 vcpu->kvm->arch.guest_origin + PAGE_SIZE), 1))) { 194 vcpu->arch.sie_block->gmsor + PAGE_SIZE), 1))) {
195 *reg |= SIGP_STAT_INVALID_PARAMETER; 195 *reg |= SIGP_STAT_INVALID_PARAMETER;
196 return 1; /* invalid parameter */ 196 return 1; /* invalid parameter */
197 } 197 }