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xen-devel
Re: [Xen-devel] [PATCH 0 of 7] Fix kexec in Xen (take 4)
One final thing to say, These fixes are candidates for backport to 4.1
as the kexec path is still broken there.
~Andrew
On 13/06/11 19:15, Keir Fraser wrote:
> On 13/06/2011 18:02, "Andrew Cooper" <andrew.cooper3@xxxxxxxxxx> wrote:
>
>> This set of patches are partly bugfixed to problems I have noticed while
>> working on this area of the codebase, and targeted fixes to get the kexec
>> path
>> working again on Xen 4.x
>>
>> The first three patches are small bugfixes which are not directly related to
>> the kexec problems, but are on the codepath.
>>
>> The next four patches are directly related to fixing the kexec path.
>>
>> These patches cause xen to track the BSP local APIC boot state and return to
>> it before kexec'ing to a new kernel. This prevents the kdump kernel falling
>> over itself when booting in x2apic mode while expecting to be in xapic mode.
>>
>> It also makes sure to disable IO virtualisation, along with fixing the
>> current
>> codepath related to disabling Interrup Remapping on Intel VTD boxes.
> Overall looking much better! I will take a look at the patches individually,
> and I expect Jan will be looking too. I think we may have a largely
> check-in-able series here. :-)
>
> -- Keir
>
>> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel
>
--
Andrew Cooper - Dom0 Kernel Engineer, Citrix XenServer
T: +44 (0)1223 225 900, http://www.citrix.com
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