From: Julien Grall <julien.grall@linaro.org>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: xen-devel@lists.xenproject.org, tim@xen.org,
stefano.stabellini@citrix.com, patches@linaro.org
Subject: Re: [PATCH v5 07/10] xen/arm: Handle remove foreign mapping
Date: Tue, 17 Dec 2013 15:44:34 +0000 [thread overview]
Message-ID: <52B07162.1030209@linaro.org> (raw)
In-Reply-To: <1387293710.27441.73.camel@kazak.uk.xensource.com>
On 12/17/2013 03:21 PM, Ian Campbell wrote:
> On Tue, 2013-12-17 at 15:06 +0000, Julien Grall wrote:
>> On 12/17/2013 11:18 AM, Ian Campbell wrote:
>> The patch #8 which relinquish memory doesn't give the right mfn in
>> parameters.
>> It's because, you will need to look for each gfn the translated mfn (you
>> can't assumed the mfn are contiguous). So the loop will go back to the
>> version 3.
>
> I'm not sure what you mean.
>
> All I was trying to say is that:
> mfn = paddr_to_pfn(pte.bits & PADDR_MASK & PAGE_MASK)
> is (probably) equivalent to:
> mfn = pte.p2m.base
We didn't talk about the same thing.
I will use pte.p2m.base for the next version.
--
Julien Grall
next prev parent reply other threads:[~2013-12-17 15:44 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-16 17:37 [PATCH v5 00/10] xen/arm: Handle correctly foreign mapping Julien Grall
2013-12-16 17:37 ` [PATCH v5 01/10] xen/arm: Introduce steps in domain_relinquish_resource Julien Grall
2013-12-16 17:37 ` [PATCH v5 02/10] xen/arm: move mfn_to_p2m_entry in arch/arm/p2m.c Julien Grall
2013-12-16 17:37 ` [PATCH v5 03/10] xen/arm: Implement p2m_type_t as an enum Julien Grall
2013-12-16 17:37 ` [PATCH v5 04/10] xen/arm: Store p2m type in each page of the guest Julien Grall
2013-12-16 17:49 ` Ian Campbell
2013-12-16 22:54 ` Julien Grall
2013-12-16 17:37 ` [PATCH v5 05/10] xen/arm: p2m: Extend p2m_lookup parameters to retrieve the p2m type Julien Grall
2013-12-17 11:12 ` Ian Campbell
2013-12-16 17:37 ` [PATCH v5 06/10] xen/arm: Retrieve p2m type in get_page_from_gfn Julien Grall
2013-12-17 11:13 ` Ian Campbell
2013-12-16 17:37 ` [PATCH v5 07/10] xen/arm: Handle remove foreign mapping Julien Grall
2013-12-17 11:18 ` Ian Campbell
2013-12-17 15:06 ` Julien Grall
2013-12-17 15:21 ` Ian Campbell
2013-12-17 15:44 ` Julien Grall [this message]
2013-12-17 15:45 ` Ian Campbell
2013-12-16 17:37 ` [PATCH v5 08/10] xen/arm: Add relinquish_p2m_mapping to remove reference on every mapped page Julien Grall
2013-12-17 9:26 ` Ian Campbell
2013-12-17 10:03 ` Jan Beulich
2013-12-17 10:12 ` Ian Campbell
2013-12-17 14:08 ` Julien Grall
2013-12-17 14:13 ` Ian Campbell
2013-12-17 14:40 ` Julien Grall
2013-12-17 14:42 ` Ian Campbell
2013-12-17 14:45 ` Julien Grall
2013-12-17 14:52 ` Ian Campbell
2013-12-17 14:57 ` Julien Grall
2013-12-17 11:31 ` Ian Campbell
2013-12-16 17:37 ` [PATCH v5 09/10] xen/arm: Set foreign page type to p2m_map_foreign Julien Grall
2013-12-17 11:34 ` Ian Campbell
2013-12-16 17:37 ` [PATCH v5 10/10] xen/arm: grant-table: Support read-only mapping Julien Grall
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