On Thu, Apr 15, 2021 at 10:49:50AM -0700, Guenter Roeck wrote:
> On Thu, Apr 15, 2021 at 06:37:41PM +0200, Greg Kroah-Hartman wrote:
> > On Thu, Apr 15, 2021 at 09:28:15AM -0700, Guenter Roeck wrote:
> > > Hi Greg,
> > >
> > > please consider applying the following two patches to v4.4.y, v4.9.y, and v4.14.y
> > >
> > > 80055dab5de0 ("netfilter: x_tables: make xt_replace_table wait until old rules are not used anymore")
> > > 175e476b8cdf ("netfilter: x_tables: Use correct memory barriers.")
> >
> > The second patch here says that it's only needed to go back until:
> > Fixes: 7f5c6d4f665b ("netfilter: get rid of atomic ops in fast path")
> >
> > Which is only backported to 4.19. So why do older kernels need that, is
> > the fixes tag wrong?
> >
>
> Outch, it looks like 80055dab5de0 was fixed later with cc00bcaa5899, which in
> turn was fixed with 443d6e86f821. Ok, back to the drawing board, but it may
> just be easier to forget about this. I'll let you know.
>
I tried to apply cc00bcaa5899 on top of the above, and got lots of conflicts.
Please ignore this request; it adds more risk than gain. Sorry for the noise.
Guenter
