Re: [patch 071/149] ARM: 6166/1: Proper prefetch abort handling on pre-ARMv6

Greg KH
2010-07-01T22:18:38Z

On Fri, Jul 02, 2010 at 01:14:20AM +0300, Kirill A. Shutemov wrote:
> On Thu, Jul 01, 2010 at 10:31:37AM -0700, Greg KH wrote:
> > 2.6.32-stable review patch. If anyone has any objections, please let us know.
> >
> > ------------------
> >
> > From: Anfei <anfei.zhou@gmail.com>
> >
> > commit 5e27fb78df95e027723af2c90ecc9b4527ae59e9 upstream.
> >
> > Instruction faults on pre-ARMv6 CPUs are interpreted as
> > a 'translation fault', but do_translation_fault doesn't
> > handle well if user mode trying to run instruction above
> > TASK_SIZE, and result in the infinite retry of that
> > instruction.
>
> Actually, this patch helps also on ARMv6+. Probably, better to correct
> commit message for stable.

We (well, I) like to keep the commit log identical to what is upstream
just to make things easier all around. Otherwise people start asking
for spelling fixes, clarifications, and all sorts of other stuff (like
this.)

thanks,

greg k-h