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Re: [Xen-ia64-devel] [patch 00/15] ia64: kexec: Map EFI memory in the sa

To: Simon Horman <horms@xxxxxxxxxxxx>
Subject: Re: [Xen-ia64-devel] [patch 00/15] ia64: kexec: Map EFI memory in the same location as Linux v20080715
From: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
Date: Tue, 22 Jul 2008 20:52:10 +0900
Cc: Aron Griffis <aron@xxxxxx>, Alex Williamson <alex.williamson@xxxxxx>, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
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Applied.
Now kexec/kdump are available without extra patches.

thanks,

On Tue, Jul 15, 2008 at 10:35:15AM +1000, Simon Horman wrote:
> Hi,
> 
> This series is what I believe to be a fairly complete set of patches to map
> EFI memory into the same location that Linux does.  The memory is protected
> by an RID so that it doesn't conflict with domain memory - which also
> protects it from malicious access from HVM domains.
> 
> The primary motivation for this is that EFI memory can only be mapped once
> - a restriction in the EFI specification. Thus for kexec betwen Xen and
> Linux, inluding kdump of Xen (into Linux), EFI memory needs to be mapped in
> the same location in both Xen and Linux.
> 
> 
> This new series only maps PAL code when making EFI, PAL or SAL calls.
> 
> I have tested these patches on a RX 2620.
> I am hoping for more reviews and tests :-)
> 
> I recommend testing these patches using:
> 
>   Xen
>   http://xenbits.xensource.com/ext/ia64/xen-unstbale.hg
>   Revision: 17943:eb0fc71cfc72
> 
>   Linux-Xen
>   http://xenbits.xensource.com/ext/ia64/linux-2.6.18-xen.hg
>   Revision: 583:3643a33de277
> 
>   Kexec-Tools
>   git://git.kernel.org/pub/scm/linux/kernel/git/horms/kexec-tools-testing.git
>   Revision: 94afdd9f7ab2b07997f80a297741842f9cdbdc25
> 
>   Linux
>   Revision: 2.6.25-rc3
> 

-- 
yamahata

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