Bug#538332: linux-2.6: [x86] Null pointer dereference in hrtick_start_fair.
On Mon, Jul 27, 2009 at 02:06:34PM -0700, Alok Kataria wrote:
> > > I see, though I must say that its really confusing for a person like me,
> > > I had assume that kernel version 2.6.26 will have all the stuff from the
> > > vanilla tree, but it seems you do things differently.
> > We may still be talking about two different things. We are based upon
> > the vanilla 2.6.26 tree, but the tsc merging didn't appear to happen
> > unil 2.6.27-rc1.
> > Specifically, the tsc.c file was introduced here:
> > commit 0ef95533326a7b37d16025af9edc0c18e644b346
> > Author: Alok Kataria <email@example.com>
> > Date: Tue Jul 1 11:43:18 2008 -0700
> > x86: merge sched_clock handling
> > Move the basic global variable definitions and sched_clock
> > handling in the
> > common "tsc.c" file.
> > - Unify notsc kernel command line handling for 32 bit and 64bit.
> > - Functional changes for 64bit.
> > - "tsc_disabled" is updated if "notsc" is passed at
> > boottime.
> > - Fallback to jiffies for sched_clock, incase notsc is
> > passed on
> > commandline.
> > Signed-off-by: Alok N Kataria <firstname.lastname@example.org>
> > Signed-off-by: Dan Hecht <email@example.com>
> > Cc: Dan Hecht <firstname.lastname@example.org>
> > Signed-off-by: Ingo Molnar <email@example.com>
> > dannf@krebs:~/git/linux-2.6$ git name-rev 0ef95533326a7b37d16025af9edc0c18e644b346
> > 0ef95533326a7b37d16025af9edc0c18e644b346 tags/v2.6.27-rc1~1102^2~72
> I was looking at
> -bash-3.2$ git describe 0ef95533326a7b37d16025af9edc0c18e644b346
> Which made me think that it should be in the 2.6.26 vanilla release, but
> I think git-describe shows the time-frame when it hit Ingo's tip tree.
> That seemed to have confused me.
Ah, ok - that makes sense.