From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Jan Beulich <JBeulich@suse.com>, roger.pau@citrix.com
Cc: elena.ufimtseva@oracle.com, wei.liu2@citrix.com,
ian.campbell@citrix.com, stefano.stabellini@eu.citrix.com,
andrew.cooper3@citrix.com, ian.jackson@eu.citrix.com,
xen-devel@lists.xen.org
Subject: Re: [PATCH v3 2/4] x86/compat: Test both PV and PVH guests for compat mode
Date: Tue, 11 Aug 2015 13:21:20 -0400 [thread overview]
Message-ID: <55CA2F10.6090503@oracle.com> (raw)
In-Reply-To: <55C9DA3802000078000996E8@prv-mh.provo.novell.com>
On 08/11/2015 05:19 AM, Jan Beulich wrote:
>>>> On 24.07.15 at 19:54, <boris.ostrovsky@oracle.com> wrote:
>> On 07/23/2015 10:07 AM, Jan Beulich wrote:
>>> Plus - is this in line with what the tools are doing? Aren't they
>>> assuming !PV <=> native format context? I.e. don't you need
>>> to treat differently v->domain == current->domain and its
>>> opposite? Roger btw. raised a similar question on IRC earlier
>>> today...
>> Not sure I understand this. You mean for copying 64-bit guest's info
>> into 32-bit dom0?
> Basically yes - tool stack and guest invocations may need to
> behave differently.
This being PVH-"classic" it follows exactly the PV path (both in tools
and the hypervisor). Wouldn't PV be broken then as well?
-boris
next prev parent reply other threads:[~2015-08-11 17:21 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-10 22:20 [PATCH v3 0/4] 32-bit domU PVH support Boris Ostrovsky
2015-07-10 22:20 ` [PATCH v3 1/4] x86/pvh: Set 32b PVH guest mode in XEN_DOMCTL_set_address_size Boris Ostrovsky
2015-07-23 13:59 ` Jan Beulich
2015-07-10 22:20 ` [PATCH v3 2/4] x86/compat: Test both PV and PVH guests for compat mode Boris Ostrovsky
2015-07-23 14:07 ` Jan Beulich
2015-07-23 14:13 ` Ian Campbell
2015-07-23 14:23 ` Jan Beulich
2015-07-24 17:54 ` Boris Ostrovsky
2015-08-11 9:19 ` Jan Beulich
2015-08-11 17:21 ` Boris Ostrovsky [this message]
2015-08-12 6:23 ` Jan Beulich
2015-08-12 15:02 ` Boris Ostrovsky
2015-07-10 22:20 ` [PATCH v3 3/4] x86/pvh: Handle hypercalls for 32b PVH guests Boris Ostrovsky
2015-07-23 14:21 ` Jan Beulich
2015-07-24 18:35 ` Boris Ostrovsky
2015-08-11 9:32 ` Jan Beulich
2015-07-10 22:20 ` [PATCH v3 4/4] libxc/x86/pvh: Allow creation of " Boris Ostrovsky
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