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authorChristian Borntraeger <borntraeger@de.ibm.com>2014-08-04 16:54:22 +0200
committerChristian Borntraeger <borntraeger@de.ibm.com>2014-08-25 14:35:30 +0200
commitc3950b66b9ceff1614db870d2d5a9bd47531a712 (patch)
tree4baaf4f84fe1c43b066a1e542ef1f33f878a6c3d /arch/s390/kvm/priv.c
parentfbfa304963fa8bf990dac1d05a77800d1e123b66 (diff)
downloadop-kernel-dev-c3950b66b9ceff1614db870d2d5a9bd47531a712.zip
op-kernel-dev-c3950b66b9ceff1614db870d2d5a9bd47531a712.tar.gz
KVM: s390: no special machine check delivery
The load PSW handler does not have to inject pending machine checks. This can wait until the CPU runs the generic interrupt injection code. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/priv.c')
-rw-r--r--arch/s390/kvm/priv.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index f89c1cd..d806f2c 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -352,13 +352,6 @@ static int handle_stfl(struct kvm_vcpu *vcpu)
return 0;
}
-static void handle_new_psw(struct kvm_vcpu *vcpu)
-{
- /* Check whether the new psw is enabled for machine checks. */
- if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_MCHECK)
- kvm_s390_deliver_pending_machine_checks(vcpu);
-}
-
#define PSW_MASK_ADDR_MODE (PSW_MASK_EA | PSW_MASK_BA)
#define PSW_MASK_UNASSIGNED 0xb80800fe7fffffffUL
#define PSW_ADDR_24 0x0000000000ffffffUL
@@ -405,7 +398,6 @@ int kvm_s390_handle_lpsw(struct kvm_vcpu *vcpu)
gpsw->addr = new_psw.addr & ~PSW32_ADDR_AMODE;
if (!is_valid_psw(gpsw))
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
- handle_new_psw(vcpu);
return 0;
}
@@ -427,7 +419,6 @@ static int handle_lpswe(struct kvm_vcpu *vcpu)
vcpu->arch.sie_block->gpsw = new_psw;
if (!is_valid_psw(&vcpu->arch.sie_block->gpsw))
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
- handle_new_psw(vcpu);
return 0;
}
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