From: Cornelia Huck <cohuck@redhat.com>
To: Janosch Frank <frankja@linux.ibm.com>
Cc: borntraeger@de.ibm.com, qemu-s390x@nongnu.org,
qemu-devel@nongnu.org, david@redhat.com
Subject: Re: [PATCH v9 05/15] s390x: protvirt: KVM intercept changes
Date: Tue, 17 Mar 2020 10:56:33 +0100 [thread overview]
Message-ID: <20200317105633.328bcda7.cohuck@redhat.com> (raw)
In-Reply-To: <20200311132151.172389-6-frankja@linux.ibm.com>
On Wed, 11 Mar 2020 09:21:41 -0400
Janosch Frank <frankja@linux.ibm.com> wrote:
> Protected VMs no longer intercept with code 4 for an instruction
> interception. Instead they have codes 104 and 108 for protected
> instruction interception and protected instruction notification
> respectively.
>
> The 104 mirrors the 4 interception.
>
> The 108 is a notification interception to let KVM and QEMU know that
> something changed and we need to update tracking information or
> perform specific tasks. It's currently taken for the following
> instructions:
>
> * spx (To inform about the changed prefix location)
> * sclp (On incorrect SCCB values, so we can inject a IRQ)
> * sigp (All but "stop and store status")
> * diag308 (Subcodes 0/1)
>
> Of these exits only sclp errors, state changing sigps and diag308 will
> reach QEMU. QEMU will do its parts of the job, while the ultravisor
> has done the instruction part of the job.
>
> Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
> Reviewed-by: David Hildenbrand <david@redhat.com>
> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
> ---
> target/s390x/kvm.c | 4 ++++
> 1 file changed, 4 insertions(+)
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
next prev parent reply other threads:[~2020-03-17 9:57 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-11 13:21 [PATCH v9 00/15] s390x: Protected Virtualization support Janosch Frank
2020-03-11 13:21 ` [PATCH v9 01/15] Sync pv Janosch Frank
2020-03-11 13:21 ` [PATCH v9 02/15] s390x: protvirt: Support unpack facility Janosch Frank
2020-03-12 8:33 ` Christian Borntraeger
2020-03-13 9:35 ` Janosch Frank
2020-03-13 9:52 ` [PATCH v9] fixup! Fix subcode/pbt Janosch Frank
2020-03-13 14:30 ` Christian Borntraeger
2020-03-13 14:44 ` Janosch Frank
2020-03-16 14:27 ` Cornelia Huck
2020-03-16 14:47 ` Janosch Frank
2020-03-16 14:54 ` Cornelia Huck
2020-03-16 15:04 ` Christian Borntraeger
2020-03-16 17:57 ` Cornelia Huck
2020-03-16 19:42 ` Christian Borntraeger
2020-03-17 9:53 ` Cornelia Huck
2020-03-16 15:05 ` Janosch Frank
2020-03-16 17:58 ` Cornelia Huck
[not found] ` <a0edb6d5-284f-5f10-02e5-d2f252043d71@redhat.com>
2020-03-12 8:54 ` [PATCH v9 02/15] s390x: protvirt: Support unpack facility Janosch Frank
2020-03-13 12:57 ` Claudio Imbrenda
2020-03-11 13:21 ` [PATCH v9 03/15] s390x: protvirt: Add migration blocker Janosch Frank
2020-03-12 8:42 ` Christian Borntraeger
2020-03-12 9:34 ` Janosch Frank
2020-03-13 12:57 ` Claudio Imbrenda
2020-03-16 14:49 ` Cornelia Huck
2020-03-11 13:21 ` [PATCH v9 04/15] s390x: protvirt: Inhibit balloon when switching to protected mode Janosch Frank
2020-03-13 12:57 ` Claudio Imbrenda
2020-03-18 11:42 ` Cornelia Huck
2020-03-18 12:30 ` Janosch Frank
2020-03-11 13:21 ` [PATCH v9 05/15] s390x: protvirt: KVM intercept changes Janosch Frank
2020-03-13 12:57 ` Claudio Imbrenda
2020-03-17 9:56 ` Cornelia Huck [this message]
2020-03-11 13:21 ` [PATCH v9 06/15] s390x: Add SIDA memory ops Janosch Frank
2020-03-12 8:50 ` Christian Borntraeger
2020-03-13 12:57 ` Claudio Imbrenda
2020-03-17 10:24 ` Cornelia Huck
2020-03-17 11:56 ` Janosch Frank
2020-03-11 13:21 ` [PATCH v9 07/15] s390x: protvirt: Move STSI data over SIDAD Janosch Frank
2020-03-12 10:42 ` Christian Borntraeger
2020-03-12 11:20 ` Janosch Frank
2020-03-17 10:28 ` Cornelia Huck
2020-03-17 10:32 ` Janosch Frank
2020-03-17 10:41 ` Cornelia Huck
2020-03-13 12:57 ` Claudio Imbrenda
2020-03-11 13:21 ` [PATCH v9 08/15] s390x: protvirt: SCLP interpretation Janosch Frank
2020-03-11 13:24 ` David Hildenbrand
2020-03-11 13:31 ` Janosch Frank
2020-03-13 12:57 ` Claudio Imbrenda
2020-03-13 13:14 ` Christian Borntraeger
2020-03-17 11:05 ` Cornelia Huck
2020-03-17 11:54 ` Janosch Frank
2020-03-17 12:01 ` Cornelia Huck
2020-03-11 13:21 ` [PATCH v9 09/15] s390x: protvirt: Set guest IPL PSW Janosch Frank
2020-03-12 15:08 ` Christian Borntraeger
2020-03-13 12:57 ` Claudio Imbrenda
2020-03-13 14:21 ` Janosch Frank
2020-03-13 14:22 ` Christian Borntraeger
2020-03-13 14:29 ` Claudio Imbrenda
2020-03-13 14:32 ` Claudio Imbrenda
2020-03-11 13:21 ` [PATCH v9 10/15] s390x: protvirt: Move diag 308 data over SIDA Janosch Frank
2020-03-12 15:17 ` Christian Borntraeger
2020-03-12 16:05 ` Janosch Frank
2020-03-12 16:09 ` Christian Borntraeger
2020-03-13 12:57 ` Claudio Imbrenda
2020-03-11 13:21 ` [PATCH v9 11/15] s390x: protvirt: Disable address checks for PV guest IO emulation Janosch Frank
2020-03-12 15:41 ` Christian Borntraeger
2020-03-12 16:07 ` Janosch Frank
2020-03-12 16:10 ` Christian Borntraeger
2020-03-12 16:17 ` Janosch Frank
2020-03-13 7:38 ` Christian Borntraeger
2020-03-13 12:57 ` Claudio Imbrenda
2020-03-17 11:36 ` Cornelia Huck
2020-03-17 12:00 ` Janosch Frank
2020-03-11 13:21 ` [PATCH v9 12/15] s390x: protvirt: Move IO control structures over SIDA Janosch Frank
2020-03-13 12:57 ` Claudio Imbrenda
2020-03-13 13:15 ` Janosch Frank
2020-03-11 13:21 ` [PATCH v9 13/15] s390x: protvirt: Handle SIGP store status correctly Janosch Frank
2020-03-12 15:51 ` Christian Borntraeger
2020-03-12 16:13 ` Janosch Frank
2020-03-13 7:39 ` Christian Borntraeger
2020-03-13 7:39 ` Christian Borntraeger
2020-03-17 16:48 ` Cornelia Huck
2020-03-13 12:57 ` Claudio Imbrenda
2020-03-11 13:21 ` [PATCH v9 14/15] docs: Add protvirt docs Janosch Frank
[not found] ` <569575c9-5819-f890-e218-99f3a23bee99@redhat.com>
2020-03-12 12:10 ` Janosch Frank
2020-03-13 13:00 ` Claudio Imbrenda
2020-03-13 13:18 ` Janosch Frank
2020-03-13 13:28 ` Peter Maydell
2020-03-17 18:23 ` Cornelia Huck
2020-03-18 8:41 ` Janosch Frank
2020-03-18 11:25 ` Cornelia Huck
2020-03-18 12:34 ` Janosch Frank
2020-03-11 13:21 ` [PATCH v9 15/15] s390x: Add unpack facility feature to GA1 Janosch Frank
2020-03-13 13:01 ` Claudio Imbrenda
2020-03-17 18:06 ` Cornelia Huck
2020-03-18 8:44 ` Janosch Frank
2020-03-18 9:27 ` Cornelia Huck
2020-03-18 9:42 ` Janosch Frank
2020-03-11 14:15 ` [PATCH v9 00/15] s390x: Protected Virtualization support no-reply
2020-03-11 14:36 ` no-reply
2020-03-12 16:25 ` [PATCH v9] s390x: protvirt: Fence huge pages Janosch Frank
2020-03-13 8:21 ` Christian Borntraeger
2020-03-16 10:06 ` Janosch Frank
2020-03-16 16:33 ` Christian Borntraeger
2020-03-17 16:57 ` Cornelia Huck
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