From: Jens Freimann <jfrei@xxxxxxxxxxxxxxxxxx> Allow to specify CR14, logout area, external damage code and failed storage address. Since more then one machine check can be indicated to the guest at a time we need to combine all indication bits with already pending requests. Signed-off-by: Jens Freimann <jfrei@xxxxxxxxxxxxxxxxxx> Reviewed-by: Cornelia Huck <cornelia.huck@xxxxxxxxxx> Reviewed-by: David Hildenbrand <dahi@xxxxxxxxxxxxxxxxxx> Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx> --- arch/s390/kvm/interrupt.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index 1aa7f28..b3d4409 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -1063,11 +1063,19 @@ static int __inject_mchk(struct kvm_vcpu *vcpu, struct kvm_s390_irq *irq) mchk->mcic, 2); /* - * Combine mcic with previously injected machine checks and - * indicate them all together as described in the Principles - * of Operation, Chapter 11, Interruption action + * Because repressible machine checks can be indicated along with + * exigent machine checks (PoP, Chapter 11, Interruption action) + * we need to combine cr14, mcic and external damage code. + * Failing storage address and the logout area should not be or'ed + * together, we just indicate the last occurrence of the corresponding + * machine check */ + mchk->cr14 |= irq->u.mchk.cr14; mchk->mcic |= irq->u.mchk.mcic; + mchk->ext_damage_code |= irq->u.mchk.ext_damage_code; + mchk->failing_storage_address = irq->u.mchk.failing_storage_address; + memcpy(&mchk->fixed_logout, &irq->u.mchk.fixed_logout, + sizeof(mchk->fixed_logout)); if (mchk->mcic & MCHK_EX_MASK) set_bit(IRQ_PEND_MCHK_EX, &li->pending_irqs); else if (mchk->mcic & MCHK_REP_MASK) -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
