Re: [Xen-devel] [PATCH 0/5] crash: Small bundle of fixes for Xen

[Dave Anderson <anderson@xxxxxxxxxx>]

----- Original Message -----
> On Thu, Jul 05, 2012 at 05:29:50PM +0200, Daniel Kiper wrote:
> > On Thu, Jul 05, 2012 at 11:15:29AM -0400, Dave Anderson wrote:
> > >
> > >
> > > ----- Original Message -----
> > > > Hi,
> > > >
> > > > It looks that Xen support for crash have not been maintained
> > > > since 2009. I am trying to fix this. Here it is small
> > > > bundle of fixes:
> > > >   - xen: Always calculate max_cpus value,
> > > >   - xen: Read only crash notes for onlined CPUs,
> > > >   - x86/xen: Read variables from dynamically allocated per_cpu
> > > >   data,
> > > >   - xen: Get idle data from alternative source,
> > > >   - xen: Read data correctly from dynamically allocated console
> > > >   ring
> > > >   too.
> > > >
> > > > Daniel
> > >
> > > Daniel,
> > >
> > > Can you absolutely confirm that these changes are all
> > > backwards-compatible?
> > 
> > I have not done tests with older versions of Xen. However,
> > I made all patches with backward compatibility in mind. Anyway,
> > If you wish I could do tests with let's say Xen Ver. 3.4
> > and Xen Linux Kernel Ver. 2.6.18 at least.
> 
> I think Dave is worried about it breaking with the version that is bundled
> with RHEL5U8?

Correct...

Dave
 

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