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[S390] kvm: make sigp emerg smp capable 

SIGP emerg needs to pass the source vpu adress into __LC_CPU_ADDRESS of the
target guest.

Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Christian Ehrhardt 2011-07-24 10:48:31 +02:00 committed by Martin Schwidefsky
parent cadfce7277
commit 8bb3a2ebcf
2 changed files with 9 additions and 0 deletions
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5
arch/s390/include/asm/kvm_host.h
View File

@ -174,6 +174,10 @@ struct kvm_s390_prefix_info {
__u32 address;
};
struct kvm_s390_emerg_info {
__u16 code;
};
struct kvm_s390_interrupt_info {
struct list_head list;
u64 type;
@ -181,6 +185,7 @@ struct kvm_s390_interrupt_info {
struct kvm_s390_io_info io;
struct kvm_s390_ext_info ext;
struct kvm_s390_pgm_info pgm;
struct kvm_s390_emerg_info emerg;
struct kvm_s390_prefix_info prefix;
};
};

4
arch/s390/kvm/interrupt.c
View File

@ -128,6 +128,10 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
if (rc == -EFAULT)
exception = 1;
rc = put_guest_u16(vcpu, __LC_CPU_ADDRESS, inti->emerg.code);
if (rc == -EFAULT)
exception = 1;
rc = copy_to_guest(vcpu, __LC_EXT_OLD_PSW,
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
if (rc == -EFAULT)