Re: [Bug] Reproducible data corruption on i5-3340M: Please continue your great work! :-)

[Michal Hocko <mhocko@suse.cz>]

On Thu 15-08-13 17:33:28, Linus Torvalds wrote:
> On Thu, Aug 15, 2013 at 4:05 PM, Ben Tebulin <tebulin@googlemail.com> wrote:
> >
> >> Ben, please test. I'm worried that the problem you see is something
> >> even more fundamentally wrong with the whole "oops, must flush in the
> >> middle" logic, but I'm _hoping_ this fixes it.
> >
> > It's gone.
> >
> > Really!
> >
> > I git-fsck'ed successfully around 30 times in a row.
> > And even all the other things still seem to work ;-)
> 
> Goodie. I think I'm just going to commit it (with the speling fixes
> for other architectures) asap. It's bigger than I'd like, but it's a
> lot simpler than the alternatives of trying to figure out exactly
> which call chain got things wrong with the previous confusing model.

I was thinking about teaching __tlb_remove_page to update the range
automatically from the given address.

But your patch looks good to me as well.

Feel free to add
Reviewed-by: Michal Hocko <mhocko@suse.cz>

Thanks!
-- 
Michal Hocko
SUSE Labs

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>