KVM: s390: drop handling of interception code 12
authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Fri, 24 Apr 2015 13:30:24 +0000 (15:30 +0200)
committerChristian Borntraeger <borntraeger@de.ibm.com>
Fri, 8 May 2015 13:51:17 +0000 (15:51 +0200)
Our implementation will never trigger interception code 12 as the
responsible setting is never enabled - and never will be.
The handler is dead code. Let's get rid of it.

Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
arch/s390/kvm/intercept.c

index 9e3779e3e496314a4e3f15823c152867c3a3cadd..7365e8a4603216828813d80f197cfb59c0865149 100644 (file)
@@ -241,21 +241,6 @@ static int handle_prog(struct kvm_vcpu *vcpu)
        return kvm_s390_inject_prog_irq(vcpu, &pgm_info);
 }
 
-static int handle_instruction_and_prog(struct kvm_vcpu *vcpu)
-{
-       int rc, rc2;
-
-       vcpu->stat.exit_instr_and_program++;
-       rc = handle_instruction(vcpu);
-       rc2 = handle_prog(vcpu);
-
-       if (rc == -EOPNOTSUPP)
-               vcpu->arch.sie_block->icptcode = 0x04;
-       if (rc)
-               return rc;
-       return rc2;
-}
-
 /**
  * handle_external_interrupt - used for external interruption interceptions
  *
@@ -355,7 +340,6 @@ static const intercept_handler_t intercept_funcs[] = {
        [0x00 >> 2] = handle_noop,
        [0x04 >> 2] = handle_instruction,
        [0x08 >> 2] = handle_prog,
-       [0x0C >> 2] = handle_instruction_and_prog,
        [0x10 >> 2] = handle_noop,
        [0x14 >> 2] = handle_external_interrupt,
        [0x18 >> 2] = handle_noop,