From: Carsten Otte <cotte@de.ibm.com>
To: Avi Kivity <avi@redhat.com>, Marcelo Tossati <mtosatti@redhat.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Cornelia Huck <cornelia.huck@de.ibm.com>,
KVM <kvm@vger.kernel.org>,
Joachim von Buttlar <joachim_von_buttlar@de.ibm.com>,
Jens Freimann <jfrei@de.ibm.com>,
Constantin Werner <constantin.werner@de.ibm.com>
Subject: [patch 05/12] [PATCH] kvm-s390-ucontrol: disable in-kernel handling of SIE intercepts
Date: Fri, 09 Dec 2011 12:23:31 +0100 [thread overview]
Message-ID: <20111209112751.556925017@de.ibm.com> (raw)
In-Reply-To: 20111209112326.454852716@de.ibm.com
[-- Attachment #1: no-sie-intercepts-for-ucontrol.patch --]
[-- Type: text/plain, Size: 823 bytes --]
This patch disables in-kernel handling of SIE intercepts for user
controlled virtual machines. All intercepts are passed to userspace
via KVM_EXIT_SIE exit reason just like SIE intercepts that cannot be
handled in-kernel for regular KVM guests.
Signed-off-by: Carsten Otte <cotte@de.ibm.com>
---
Index: linux-2.5-cecsim/arch/s390/kvm/kvm-s390.c
===================================================================
--- linux-2.5-cecsim.orig/arch/s390/kvm/kvm-s390.c
+++ linux-2.5-cecsim/arch/s390/kvm/kvm-s390.c
@@ -572,7 +572,10 @@ rerun_vcpu:
rc = __vcpu_run(vcpu);
if (rc)
break;
- rc = kvm_handle_sie_intercept(vcpu);
+ if (kvm_is_ucontrol(vcpu->kvm))
+ rc = -EOPNOTSUPP;
+ else
+ rc = kvm_handle_sie_intercept(vcpu);
} while (!signal_pending(current) && !rc);
if (rc == SIE_INTERCEPT_RERUNVCPU)
next prev parent reply other threads:[~2011-12-09 11:27 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-09 11:23 [patch 00/12] Ucontrol patches V3 Carsten Otte
2011-12-09 11:23 ` [patch 01/12] [PATCH] kvm-s390: add parameter for KVM_CREATE_VM Carsten Otte
2011-12-09 11:32 ` Alexander Graf
2011-12-09 11:50 ` Carsten Otte
2011-12-09 11:23 ` [patch 02/12] [PATCH] kvm-s390-ucontrol: per vcpu address spaces Carsten Otte
2011-12-09 11:23 ` [patch 03/12] [PATCH] kvm-s390-ucontrol: export page faults to user Carsten Otte
2011-12-09 11:23 ` [patch 04/12] [PATCH] kvm-s390-ucontrol: export SIE control block " Carsten Otte
2011-12-09 11:37 ` Alexander Graf
2011-12-09 11:54 ` Carsten Otte
2011-12-09 11:23 ` Carsten Otte [this message]
2011-12-09 11:23 ` [patch 06/12] [PATCH] kvm-s390-ucontrol: disable in-kernel irq stack Carsten Otte
2011-12-09 11:23 ` [patch 07/12] [PATCH] kvm-s390-ucontrol: interface to inject faults on a vcpu page table Carsten Otte
2011-12-09 11:23 ` [patch 08/12] [PATCH] kvm-s390-ucontrol: disable sca Carsten Otte
2011-12-09 11:23 ` [patch 09/12] [PATCH] kvm-s390: fix assumption for KVM_MAX_VCPUS Carsten Otte
2011-12-09 11:23 ` [patch 10/12] [PATCH] kvm-s390: storage key interface Carsten Otte
2011-12-09 12:04 ` Heiko Carstens
[not found] ` <OFEDB7DC8E.0D8BE463-ONC1257961.004633DF-C1257961.0046C1E7@de.ibm.com>
2011-12-09 13:37 ` Carsten Otte
2011-12-09 11:23 ` [patch 11/12] [PATCH] kvm-s390-ucontrol: announce capability for user controlled vms Carsten Otte
2011-12-09 11:23 ` [patch 12/12] [PATCH] kvm-s390: Fix return code for unknown ioctl numbers Carsten Otte
-- strict thread matches above, loose matches on Subject: below --
2011-12-14 12:23 [patch 00/12] Ucontrol patchset V6 Carsten Otte
2011-12-14 12:23 ` [patch 05/12] [PATCH] kvm-s390-ucontrol: disable in-kernel handling of SIE intercepts Carsten Otte
2011-12-10 12:35 [patch 00/12] Ucontrol patchset V5 Carsten Otte
2011-12-10 12:35 ` [patch 05/12] [PATCH] kvm-s390-ucontrol: disable in-kernel handling of SIE intercepts Carsten Otte
2011-12-09 12:49 [patch 00/12] Ucontrol patchset V4 Carsten Otte
2011-12-09 12:49 ` [patch 05/12] [PATCH] kvm-s390-ucontrol: disable in-kernel handling of SIE intercepts Carsten Otte
2011-12-08 9:12 [patch 00/12] Ucontrol patchset V2 Carsten Otte
2011-12-08 9:12 ` [patch 05/12] [PATCH] kvm-s390-ucontrol: disable in-kernel handling of SIE intercepts Carsten Otte
2011-12-01 12:57 [patch 00/12] User controlled virtual machines Carsten Otte
2011-12-01 12:57 ` [patch 05/12] [PATCH] kvm-s390-ucontrol: disable in-kernel handling of SIE intercepts Carsten Otte
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