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Re: [Xen-devel] [PATCH v4 01/11] pvh dom0: Introduce p2m_map_foreign
On 12/16/2013 10:59 AM, Tim Deegan wrote:
At 10:45 +0000 on 16 Dec (1387187114), Ian Campbell wrote:
On Sat, 2013-12-14 at 00:00 +0000, Julien Grall wrote:
On 12/13/2013 11:19 PM, Ian Campbell wrote:
On Fri, 2013-12-13 at 19:37 +0000, Julien Grall wrote:
From: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>
In this patch, a new type p2m_map_foreign is introduced for pages
that toolstack on PVH dom0 maps from foreign domains that its creating
or supporting during it's run time.
Signed-off-by: Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Keir Fraser <keir@xxxxxxx>
Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
---
Changes in v4:
- Use the patch #4 from dom0 pvh v6 series. We need it for ARM
Is this really the right patch? I'd have thought it would need to
include some generic/!x86 bits but:
This patch introduce p2m_map_foreign type. I think it's safe to push it
without the other patches.
Is it really that simple? I suppose there is nothing to create a foreign
mapping on x86 yet so this is harmless?
Presumably you're about to add some common code that creates foreign
mappings -- otherwise there would be no need to take the x86 patch.
In that case, it's not really safe to take only part of the x86
implementation. It'd be better to stub out any x86 interfaces with
explicit errors, to be removed when x86 supports this properly.
This patch is no longer necessary. I have reworked my patch #8 to remove
modification in common code.
--
Julien Grall
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