This patch adds the access registers to the kvm_run structure.
Signed-off-by: Christian Borntraeger <[email protected]>
---
arch/s390/include/asm/kvm.h | 2 ++
arch/s390/include/asm/kvm_host.h | 1 -
arch/s390/kvm/kvm-s390.c | 15 ++++++++-------
3 files changed, 10 insertions(+), 8 deletions(-)
diff --git a/arch/s390/include/asm/kvm.h b/arch/s390/include/asm/kvm.h
index 5dfe143b29..9d17881 100644
--- a/arch/s390/include/asm/kvm.h
+++ b/arch/s390/include/asm/kvm.h
@@ -48,7 +48,9 @@ struct kvm_sync_ro_regs {
};
#define KVM_SYNC_RW_GPRS (1UL << 0)
+#define KVM_SYNC_RW_ACRS (1UL << 1)
struct kvm_sync_rw_regs {
__u64 gprs[16]; /* general purpose registers */
+ __u32 acrs[16]; /* access registers */
};
#endif
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 173f44d..8cf6ce7 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -230,7 +230,6 @@ struct kvm_vcpu_arch {
s390_fp_regs host_fpregs;
unsigned int host_acrs[NUM_ACRS];
s390_fp_regs guest_fpregs;
- unsigned int guest_acrs[NUM_ACRS];
struct kvm_s390_local_interrupt local_int;
struct hrtimer ckc_timer;
struct tasklet_struct tasklet;
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 0f9bbb2..095682d 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -258,7 +258,8 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
{
vcpu->arch.gmap = vcpu->kvm->arch.gmap;
vcpu->run->kvm_valid_sync_ro_regs = KVM_SYNC_RO_PREFIX;
- vcpu->run->kvm_valid_sync_rw_regs = KVM_SYNC_RW_GPRS;
+ vcpu->run->kvm_valid_sync_rw_regs = KVM_SYNC_RW_GPRS |
+ KVM_SYNC_RW_ACRS;
return 0;
}
@@ -273,7 +274,7 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
save_access_regs(vcpu->arch.host_acrs);
vcpu->arch.guest_fpregs.fpc &= FPC_VALID_MASK;
restore_fp_regs(&vcpu->arch.guest_fpregs);
- restore_access_regs(vcpu->arch.guest_acrs);
+ restore_access_regs(vcpu->run->sync_rw.acrs);
gmap_enable(vcpu->arch.gmap);
atomic_set_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
}
@@ -283,7 +284,7 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
gmap_disable(vcpu->arch.gmap);
save_fp_regs(&vcpu->arch.guest_fpregs);
- save_access_regs(vcpu->arch.guest_acrs);
+ save_access_regs(vcpu->run->sync_rw.acrs);
restore_fp_regs(&vcpu->arch.host_fpregs);
restore_access_regs(vcpu->arch.host_acrs);
}
@@ -404,16 +405,16 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu,
struct kvm_regs *regs)
int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{
- memcpy(&vcpu->arch.guest_acrs, &sregs->acrs, sizeof(sregs->acrs));
+ memcpy(&vcpu->run->sync_rw.acrs, &sregs->acrs, sizeof(sregs->acrs));
memcpy(&vcpu->arch.sie_block->gcr, &sregs->crs, sizeof(sregs->crs));
- restore_access_regs(vcpu->arch.guest_acrs);
+ restore_access_regs(vcpu->run->sync_rw.acrs);
return 0;
}
int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs)
{
- memcpy(&sregs->acrs, &vcpu->arch.guest_acrs, sizeof(sregs->acrs));
+ memcpy(&sregs->acrs, &vcpu->run->sync_rw.acrs, sizeof(sregs->acrs));
memcpy(&sregs->crs, &vcpu->arch.sie_block->gcr, sizeof(sregs->crs));
return 0;
}
@@ -635,7 +636,7 @@ int kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu,
unsigned long addr)
return -EFAULT;
if (__guestcopy(vcpu, addr + offsetof(struct save_area, acc_regs),
- &vcpu->arch.guest_acrs, 64, prefix))
+ &vcpu->run->sync_rw.acrs, 64, prefix))
return -EFAULT;
if (__guestcopy(vcpu,
--
1.7.8.2
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