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Commit 8bb3a2eb authored by Christian Ehrhardt's avatar Christian Ehrhardt Committed by Martin Schwidefsky
Browse files

[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: default avatarChristian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent cadfce72

arch/s390/include/asm/kvm_host.h

+5 −0
Original line number Diff line number Diff line
@@ -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;

	};

};

arch/s390/kvm/interrupt.c

+4 −0
Original line number Diff line number Diff line
@@ -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)