openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

KVM: s390: Removed SIE_INTERCEPT_UCONTROL 

The SIE_INTERCEPT_UCONTROL can be removed by moving the related code
from kvm_arch_vcpu_ioctl_run() to vcpu_post_run().

Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
Thomas Huth 2013-09-19 16:26:18 +02:00 committed by Cornelia Huck
parent 0a00a775d2
commit 210b160701
2 changed files with 6 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
arch/s390/kvm/kvm-s390.c
View File

@ -732,14 +732,12 @@ static int vcpu_post_run(struct kvm_vcpu *vcpu, int exit_reason)
if (exit_reason >= 0) {
rc = 0;
} else {
if (kvm_is_ucontrol(vcpu->kvm)) {
rc = SIE_INTERCEPT_UCONTROL;
} else {
VCPU_EVENT(vcpu, 3, "%s", "fault in sie instruction");
trace_kvm_s390_sie_fault(vcpu);
rc = kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
}
} else if (kvm_is_ucontrol(vcpu->kvm)) {
vcpu->run->exit_reason = KVM_EXIT_S390_UCONTROL;
vcpu->run->s390_ucontrol.trans_exc_code =
current->thread.gmap_addr;
vcpu->run->s390_ucontrol.pgm_code = 0x10;
rc = -EREMOTE;
}
memcpy(&vcpu->run->s.regs.gprs[14], &vcpu->arch.sie_block->gg14, 16);
@ -833,16 +831,6 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
rc = -EINTR;
}
#ifdef CONFIG_KVM_S390_UCONTROL
if (rc == SIE_INTERCEPT_UCONTROL) {
kvm_run->exit_reason = KVM_EXIT_S390_UCONTROL;
kvm_run->s390_ucontrol.trans_exc_code =
current->thread.gmap_addr;
kvm_run->s390_ucontrol.pgm_code = 0x10;
rc = 0;
}
#endif
if (rc == -EOPNOTSUPP) {
/* intercept cannot be handled in-kernel, prepare kvm-run */
kvm_run->exit_reason = KVM_EXIT_S390_SIEIC;

2
arch/s390/kvm/kvm-s390.h
View File

@ -27,8 +27,6 @@ typedef int (*intercept_handler_t)(struct kvm_vcpu *vcpu);
/* declare vfacilities extern */
extern unsigned long *vfacilities;
/* negativ values are error codes, positive values for internal conditions */
#define SIE_INTERCEPT_UCONTROL (1<<0)
int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu);
#define VM_EVENT(d_kvm, d_loglevel, d_string, d_args...)\