From: Razvan Cojocaru <rcojocaru@bitdefender.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: aisaila@bitdefender.com,
Andrew Cooper <andrew.cooper3@citrix.com>,
Andrei LUTAS <vlutas@bitdefender.com>,
xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [PATCH v1] x86/hvm: Generic instruction re-execution mechanism for execute faults
Date: Mon, 13 May 2019 16:58:23 +0300 [thread overview]
Message-ID: <bdd2240b-f1e9-3671-d3a1-996accdbacea@bitdefender.com> (raw)
In-Reply-To: <cb265527-4a69-01d9-9089-60b4b4fab22a@bitdefender.com>
On 11/27/18 12:49 PM, Razvan Cojocaru wrote:
>> With a sufficiently complete insn emulator, single-stepping should
>> not be needed at all imo. Granted we're not quite there yet with
>> the emulator, but we've made quite a bit of progress. As before,
>> if there are particular instructions you know of that the emulator
>> doesn't handle yet, please keep pointing these out. Last I know
>> were some AVX move instructions, which have long been
>> implemented.
> True, I haven't seen emulator issues in that respect with staging - the
> emulator appears lately to be sufficiently complete. Thank you very much
> for your help and support - we'll definitely point out unsupported
> instructions if we spot some again.
We've come accross a new instruction that the emulator can't handle in
Xen 4.13-unstable today:
vpmaddwd xmm4,xmm4,XMMWORD PTR ds:0x513fbb20
Perhaps there are plans for this to go into the emulator as well?
Thanks,
Razvan
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel
WARNING: multiple messages have this Message-ID (diff)
From: Razvan Cojocaru <rcojocaru@bitdefender.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: aisaila@bitdefender.com,
Andrew Cooper <andrew.cooper3@citrix.com>,
Andrei LUTAS <vlutas@bitdefender.com>,
xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: [Xen-devel] [PATCH v1] x86/hvm: Generic instruction re-execution mechanism for execute faults
Date: Mon, 13 May 2019 16:58:23 +0300 [thread overview]
Message-ID: <bdd2240b-f1e9-3671-d3a1-996accdbacea@bitdefender.com> (raw)
Message-ID: <20190513135823.8iCx0vsbikmIIJD8I3u06Y0_UJdSKrm8bVbZdmHI4OA@z> (raw)
In-Reply-To: <cb265527-4a69-01d9-9089-60b4b4fab22a@bitdefender.com>
On 11/27/18 12:49 PM, Razvan Cojocaru wrote:
>> With a sufficiently complete insn emulator, single-stepping should
>> not be needed at all imo. Granted we're not quite there yet with
>> the emulator, but we've made quite a bit of progress. As before,
>> if there are particular instructions you know of that the emulator
>> doesn't handle yet, please keep pointing these out. Last I know
>> were some AVX move instructions, which have long been
>> implemented.
> True, I haven't seen emulator issues in that respect with staging - the
> emulator appears lately to be sufficiently complete. Thank you very much
> for your help and support - we'll definitely point out unsupported
> instructions if we spot some again.
We've come accross a new instruction that the emulator can't handle in
Xen 4.13-unstable today:
vpmaddwd xmm4,xmm4,XMMWORD PTR ds:0x513fbb20
Perhaps there are plans for this to go into the emulator as well?
Thanks,
Razvan
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel
next prev parent reply other threads:[~2019-05-13 13:58 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-16 10:06 [PATCH v1] x86/hvm: Generic instruction re-execution mechanism for execute faults Alexandru Stefan ISAILA
2018-11-16 17:04 ` Roger Pau Monné
2018-11-19 13:30 ` Alexandru Stefan ISAILA
2018-11-19 14:26 ` Jan Beulich
2018-11-19 15:08 ` Roger Pau Monné
2018-11-19 15:56 ` Alexandru Stefan ISAILA
2018-11-21 9:56 ` Roger Pau Monné
2018-11-21 10:28 ` Alexandru Stefan ISAILA
2018-11-21 11:41 ` Roger Pau Monné
2018-11-21 12:00 ` Alexandru Stefan ISAILA
2018-11-19 13:33 ` Jan Beulich
2018-11-21 18:55 ` Razvan Cojocaru
2018-11-22 9:50 ` Alexandru Stefan ISAILA
2018-11-22 10:00 ` Jan Beulich
2018-11-22 10:07 ` Roger Pau Monné
2018-11-22 10:05 ` Roger Pau Monné
2018-11-22 10:14 ` Razvan Cojocaru
2018-11-22 10:58 ` Roger Pau Monné
2018-11-22 12:48 ` Razvan Cojocaru
2018-11-22 14:49 ` Roger Pau Monné
2018-11-22 15:25 ` Razvan Cojocaru
2018-11-22 15:37 ` Roger Pau Monné
2018-11-22 16:52 ` Razvan Cojocaru
2018-11-22 17:08 ` Roger Pau Monné
2018-11-22 18:24 ` Razvan Cojocaru
2018-11-23 8:54 ` Roger Pau Monné
[not found] ` <59739FBC020000C234861ACF@prv1-mh.provo.novell.com>
[not found] ` <F553A58C020000AB0063616D@prv1-mh.provo.novell.com>
[not found] ` <4D445A680200003E34861ACF@prv1-mh.provo.novell.com>
[not found] ` <DAD49D5A020000780063616D@prv1-mh.provo.novell.com>
[not found] ` <5400A6CB0200003634861ACF@prv1-mh.provo.novell.com>
[not found] ` <203C1A92020000400063616D@prv1-mh.provo.novell.com>
[not found] ` <0DF3BC62020000E934861ACF@prv1-mh.provo.novell.com>
[not found] ` <C6A2E442020000640063616D@prv1-mh.provo.novell.com>
[not found] ` <6EEA58AB020000EA34861ACF@prv1-mh.provo.novell.com>
2018-11-27 10:31 ` Razvan Cojocaru
2018-11-27 11:32 ` Roger Pau Monné
2018-11-27 11:45 ` Razvan Cojocaru
2018-11-27 11:59 ` Andrew Cooper
2018-11-27 12:12 ` Razvan Cojocaru
2018-12-19 16:49 ` Alexandru Stefan ISAILA
2018-12-19 17:40 ` Roger Pau Monné
2018-12-20 14:37 ` Alexandru Stefan ISAILA
[not found] ` <838191050200006B34861ACF@prv1-mh.provo.novell.com>
2018-11-23 9:07 ` Jan Beulich
2018-11-27 10:49 ` Razvan Cojocaru
2018-11-27 11:28 ` Jan Beulich
2018-11-27 11:44 ` Razvan Cojocaru
2019-05-13 13:58 ` Razvan Cojocaru [this message]
2019-05-13 13:58 ` [Xen-devel] " Razvan Cojocaru
2019-05-13 14:06 ` Jan Beulich
2019-05-13 14:06 ` [Xen-devel] " Jan Beulich
2019-05-13 14:15 ` Razvan Cojocaru
2019-05-13 14:15 ` [Xen-devel] " Razvan Cojocaru
2019-05-14 13:47 ` Razvan Cojocaru
2019-05-14 13:47 ` [Xen-devel] " Razvan Cojocaru
2019-05-14 14:16 ` Jan Beulich
2019-05-14 14:16 ` [Xen-devel] " Jan Beulich
2019-05-14 14:20 ` Razvan Cojocaru
2019-05-14 14:20 ` [Xen-devel] " Razvan Cojocaru
[not found] ` <A31948D30200007D0063616D@prv1-mh.provo.novell.com>
2018-11-23 9:10 ` Jan Beulich
[not found] ` <9B05ED9E020000C434861ACF@prv1-mh.provo.novell.com>
[not found] ` <626A217B020000C50063616D@prv1-mh.provo.novell.com>
[not found] ` <0D3C56BA0200004834861ACF@prv1-mh.provo.novell.com>
2018-12-20 9:07 ` Jan Beulich
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