From: Avi Kivity <avi@redhat.com>
To: Stephen Donnelly <sfdonnelly@gmail.com>
Cc: Cam Macdonell <cam@cs.ualberta.ca>,
"kvm@vger.kernel.org list" <kvm@vger.kernel.org>
Subject: Re: R/W HG memory mappings with kvm?
Date: Wed, 09 Sep 2009 15:50:33 +0300 [thread overview]
Message-ID: <4AA7A499.30208@redhat.com> (raw)
In-Reply-To: <5f370d430908311413m6cb5951agf8f24e00b75b1eb1@mail.gmail.com>
On 09/01/2009 12:13 AM, Stephen Donnelly wrote:
>
>> I'm totally confused now.
>>
> Sorry about that. The issue is the BUG in gfn_to_pgn where the pfn is
> not calculated correctly after looking up the vma.
>
> I still don't see how to get the physical address from the vma, since
> vm_pgoff is zero, and the vm_ops are not filled. The vma does not seem
> to store the physical base address.
>
So it seems the only place the pfns are stored are in the ptes
themselves. Is there an API to recover the ptes from a virtual
address? We could use that instead.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2009-09-09 12:50 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-05 22:41 R/W HG memory mappings with kvm? Stephen Donnelly
2009-07-06 7:38 ` Avi Kivity
2009-07-07 22:23 ` Stephen Donnelly
2009-07-08 4:36 ` Avi Kivity
2009-07-08 21:33 ` Stephen Donnelly
2009-07-09 8:10 ` Avi Kivity
2009-07-08 21:45 ` Cam Macdonell
2009-07-08 22:01 ` Stephen Donnelly
2009-07-09 6:01 ` Cam Macdonell
2009-07-09 22:38 ` Stephen Donnelly
2009-07-10 17:03 ` Cam Macdonell
2009-07-12 21:28 ` Stephen Donnelly
2009-07-14 22:25 ` [PATCH] Support shared memory device PCI device Cam Macdonell
[not found] ` <5f370d430907262256rd7f9fdalfbbec1f9492ce86@mail.gmail.com>
2009-07-27 14:48 ` R/W HG memory mappings with kvm? Cam Macdonell
2009-07-27 21:32 ` Stephen Donnelly
2009-07-28 8:54 ` Avi Kivity
2009-07-28 23:06 ` Stephen Donnelly
2009-08-13 4:07 ` Stephen Donnelly
2009-08-19 12:14 ` Avi Kivity
2009-08-23 21:59 ` Stephen Donnelly
2009-08-24 4:55 ` Avi Kivity
2009-08-26 10:22 ` Avi Kivity
2009-08-27 2:39 ` Stephen Donnelly
2009-08-27 2:34 ` Stephen Donnelly
2009-08-27 4:08 ` Avi Kivity
2009-08-30 22:33 ` Stephen Donnelly
2009-08-31 8:44 ` Avi Kivity
2009-08-31 21:13 ` Stephen Donnelly
2009-09-09 12:50 ` Avi Kivity [this message]
2009-07-29 23:52 ` Cam Macdonell
2009-07-30 9:31 ` Avi Kivity
2009-09-28 18:27 Tsuyoshi Ozawa
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