Re: [PATCH] x86/kexec: Fix crash on transition to a 32bit kernel on AMD hardware

[Ian Jackson <iwj@xxxxxxxxxxxxxx>]

Andrew Cooper writes ("Re: [PATCH] x86/kexec: Fix crash on transition to a 
32bit kernel on AMD hardware"):
> This path is only taken for a 32bit crash kernel.  It is not taken for
> 64bit crash kernels, or they wouldn't work on AMD either, and this is
> something we test routinely in XenServer.
> 
> The worst that can happen is that I've messed the lretq pattern up, and
> broken transition to all 32bit crash kernels, irrespective of hardware
> vendor.
> 
> It will either function correctly, or explode.  If it is broken, it
> won't be subtle, or dependent on the phase of the moon/etc.

Thanks for this confirmation.

Release-Acked-by: Ian Jackson <iwj@xxxxxxxxxxxxxx>

(NB I'm still working on RC1 so commit moratorium still in force)

Ian.