Re: [Xen-devel] [PATCH 0 of 7] Fix kexec in Xen (take 4)

[Keir Fraser <keir.xen@xxxxxxxxx>]

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>
> 
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