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

Konrad Rzeszutek Wilk konrad.wilk at oracle.com
Thu Jul 5 11:33:33 EDT 2012


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?



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