Re: [Xen-devel] [PATCH] x86/32-on-64: adjust Dom0 initial page table layout

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 03.09.12 at 09:38, Keir Fraser <keir.xen@xxxxxxxxx> wrote:
> On 03/09/2012 07:58, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:
> 
>> Drop the unnecessary reservation of the L4 page for 32on64 Dom0, and
>> allocate its L3 first (to match behavior when running identical bit-
>> width hypervisor and Dom0 kernel).
>> 
>> Reported-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
>> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> 
> This, and your other proposed patch to xc_dom_x86.c, I'm not sure about for
> 4.2.0. Are we prepared to possibly slip 4.2.0 for these, rather than put
> them in 4.2.1 instead (which will certainly be sooner than our proposed
> usual 3-month schedule for point releases)?

Holding back this one for post-4.2 is fine with me (as it doesn't
really address an outright bug, it just makes things more
consistent).

The tools side patch, however, I consider more important,
since the code is so obviously flawed (and that's irrespective
of this having been that way all the way back to the
introduction of the "new" [back then] domain builder). But
of course I'd like to see it tested with that big a domain first,
which I can't due to not having access to a suitable system.

Jan


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