linux-kernel - [PATCH v5 15/15] KVM: s390: start using the GIB

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Message-Id: <20181219191756.57973-16-mimu@linux.ibm.com>
Date:   Wed, 19 Dec 2018 20:17:56 +0100
From:   Michael Mueller <mimu@...ux.ibm.com>
To:     KVM Mailing List <kvm@...r.kernel.org>
Cc:     Linux-S390 Mailing List <linux-s390@...r.kernel.org>,
        linux-kernel@...r.kernel.org,
        kvm390-list@...maker.boeblingen.de.ibm.com,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Janosch Frank <frankja@...ux.ibm.com>,
        David Hildenbrand <david@...hat.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Halil Pasic <pasic@...ux.ibm.com>,
        Pierre Morel <pmorel@...ux.ibm.com>,
        Michael Mueller <mimu@...ux.ibm.com>
Subject: [PATCH v5 15/15] KVM: s390: start using the GIB

By initializing the GIB, it will be used by the kvm host.

Signed-off-by: Michael Mueller <mimu@...ux.ibm.com>
---
 arch/s390/kvm/kvm-s390.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 2d10e175862c..777c8a87d81c 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -428,16 +428,22 @@ int kvm_arch_init(void *opaque)
 		goto out_debug_unreg;
 	}
 
+	rc = kvm_s390_gib_init(GAL_ISC);
+	if (rc)
+		goto out_debug_unreg;
+
 	kvm_s390_cpu_feat_init();
 
 	/* Register floating interrupt controller interface. */
 	rc = kvm_register_device_ops(&kvm_flic_ops, KVM_DEV_TYPE_FLIC);
 	if (rc) {
 		pr_err("Failed to register FLIC rc=%d\n", rc);
-		goto out_debug_unreg;
+		goto out_gib_destroy;
 	}
 	return 0;
 
+out_gib_destroy:
+	kvm_s390_gib_destroy();
 out_debug_unreg:
 	debug_unregister(kvm_s390_dbf);
 	return rc;
-- 
2.13.4