On Thu, Aug 13, 2015 at 05:29:09PM -0700, David Miller wrote:
> From: Martin KaFai Lau <ka...@fb.com>
> Date: Thu, 13 Aug 2015 00:58:00 -0700
>
> > This patch series fixes a potential deadlock when creating a pcpu rt.
> > It happens when dst_alloc() decided to run gc. Something like this:
> >
> > read_lock(&table->tb6_lock);
> > ip6_rt_pcpu_alloc()
> > => dst_alloc()
> > => ip6_dst_gc()
> > => write_lock(&table->tb6_lock); /* oops */
> >
> > Patch 1 and 2 are some prep works.
> > Patch 3 is the fix.
> >
> > Original report: https://bugzilla.kernel.org/show_bug.cgi?id=102291
> >
> > Steinar, the patches can also be applied to 4.2-rc5 (I just tried).
> > Can you help to test them? Thanks!
>
> This series looks fine to me.
Thanks. I will repost it with a minor change in one of the commit messages.
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