Re: [Xen-devel] [PATCH] xen/arm: Scrub heap pages during boot

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Fri, 2014-01-10 at 17:09 +0000, Ian Campbell wrote:
> On Fri, 2014-01-10 at 13:48 +0000, Julien Grall wrote:
> > 
> > On 01/10/2014 09:52 AM, Ian Campbell wrote:
> > > On Fri, 2014-01-10 at 03:27 +0000, Julien Grall wrote:
> > >> Scrub heap pages was disabled because it was slow on the models. Now 
> > >> that Xen
> > >> supports real hardware, it's possible to enable by default scrubbing.
> > >>
> > >> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
> > >
> > > Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> > 
> > Thanks.
> 
> Applied.
> 
> > >> ---
> > >>      This patch should go to Xen 4.4. It avoid to give non-cleared page 
> > >> to
> > >>      a domain.
> > >>
> > >>      The downside is it's now slow on models.
> > >
> > > There is a no-bootscrub command-line option which can be used in that
> > > case. Could you update the relevant model wiki pages to mention it
> > > please?
> > 
> > I have updated the wiki page.
> 
> Thanks.

You made it say "comment out the code" rather than advising to use the
command line option like I suggested -- was that on purpose?

Is something broken with the command line option?

Ian


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