From: Julien Grall <julien.grall@arm.com>
To: Andrii Anisov <andrii.anisov@gmail.com>, xen-devel@lists.xenproject.org
Cc: sstabellini@kernel.org, Andrii Anisov <andrii_anisov@epam.com>
Subject: Re: [PATCH for-4.12 v3 3/8] xen/arm: Add support for read-only foreign mappings
Date: Fri, 21 Dec 2018 17:27:53 +0000 [thread overview]
Message-ID: <ed7aea69-ad95-fbcd-3cf0-526893d41efd@arm.com> (raw)
In-Reply-To: <0e703c1b-8316-9495-c04c-0900f65a07c0@gmail.com>
Hi Andrii,
On 21/12/2018 17:27, Andrii Anisov wrote:
>
>
> On 21.12.18 18:26, Julien Grall wrote:
>> Currently, foreign mappings can only be read-write. A follow-up patch will
>> extend foreign mapping for Xen backend memory (via XEN_DOMID), some of
>> that memory should only be read accessible for the mapping domain.
>>
>> Introduce a new p2m_type to cater read-only foreign mappings. For now,
>> the decision between the two foreign mapping type is based on the type
>> of the guest page mapped.
>>
>> Signed-off-by: Julien Grall <julien.grall@arm.com>
>
> Andrii Anisov <andrii_anisov@epam.com>
Another wildcard tag? :)
Cheers,
--
Julien Grall
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next prev parent reply other threads:[~2018-12-21 17:27 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-21 16:26 [PATCH for-4.12 v3 0/8] xen/arm: Add xentrace support Julien Grall
2018-12-21 16:26 ` [PATCH for-4.12 v3 1/8] xen/arm: p2m: Introduce p2m_get_page_from_gfn Julien Grall
2018-12-21 16:26 ` [PATCH for-4.12 v3 2/8] xen/arm: Rename p2m_map_foreign to p2m_map_foreign_rw Julien Grall
2018-12-21 16:26 ` [PATCH for-4.12 v3 3/8] xen/arm: Add support for read-only foreign mappings Julien Grall
2018-12-21 17:27 ` Andrii Anisov
2018-12-21 17:27 ` Julien Grall [this message]
2018-12-21 17:29 ` Andrii Anisov
2018-12-21 16:26 ` [PATCH for-4.12 v3 4/8] xen/arm: Make get_page_from_gfn working with DOMID_XEN Julien Grall
2018-12-21 17:26 ` Andrii Anisov
2018-12-21 17:27 ` Julien Grall
2018-12-21 17:28 ` Andrii Anisov
2018-12-21 16:26 ` [PATCH for-4.12 v3 5/8] xen/arm: Allow a privileged domain to map foreign page from DOMID_XEN Julien Grall
2018-12-21 16:26 ` [PATCH for-4.12 v3 6/8] xen/arm: Initialize trace buffer Julien Grall
2018-12-21 16:26 ` [PATCH for-4.12 v3 7/8] xenalyze: Build for Both ARM and x86 Platforms Julien Grall
2018-12-21 16:28 ` Julien Grall
2018-12-21 17:48 ` Stefano Stabellini
2018-12-21 16:26 ` [PATCH for-4.12 v3 8/8] xen: Switch parameter in get_page_from_gfn to use typesafe gfn Julien Grall
2018-12-21 16:35 ` Julien Grall
2018-12-25 2:40 ` Tian, Kevin
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