Re: [PATCH 4.9 033/120] perf/x86/intel/uncore: Fix hardcoded socket 0 assumption in the Haswell init code

From: Greg Kroah-Hartman
Date: Thu Jan 19 2017 - 08:50:22 EST


On Thu, Jan 19, 2017 at 02:21:47PM +0100, Ingo Molnar wrote:
>
> * Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> > On Thu, Jan 19, 2017 at 05:32:46AM -0500, Prarit Bhargava wrote:
> > >
> > >
> > > On 01/18/2017 05:25 PM, Ingo Molnar wrote:
> > > >
> > > > * Prarit Bhargava <prarit@xxxxxxxxxx> wrote:
> > > >
> > > >> 4.9 is broken and requires additional patches beyond this patch. Applying this
> > > >> patch to 4.9 stable without those additional fixes will result in kernel panics
> > > >> on some Haswell systems that boot on random cores.
> > > >
> > > > Could you list the patches that are required? It would be nice to backport all
> > > > required fixes to v4.9.
> > > >
> > >
> > > Yeah, I'm going to do that once I get the system back. I have a feeling that
> > > just the two additional patches are required but I want to make sure before I
> > > post anything.
> >
> > So what do I do here? Drop this single patch? Add others now? Ignore
> > it and leave it as-is?
> >
> > still confused,
>
> Please drop the patch for now - we'll sort it all out and will send you a list of
> commit IDs to backport once everything's clear!

Ok, now dropped, thanks.

greg k-h