Re: [ANNOUNCE] 4.8-rc5-rt1 beta

From: Paul Gortmaker
Date: Sat Sep 17 2016 - 16:45:38 EST

[Re: [ANNOUNCE] 4.8-rc5-rt1 beta] On 08/09/2016 (Thu 07:47) Mike Galbraith wrote:

> On Tue, 2016-09-06 at 14:25 -0400, Paul Gortmaker wrote:
> > Patch conflicts/issues of interest 4.6 --> 4.7
> > ----------------------------------------------
> >
> > -v4.7 introduced a lot of users of down_write_killable which wasn't
> > implemented for -rt (rwsem_rt.h), so I created one. (see new patch
> > rt-create-down_write_killable.patch -- local commit 14625e96ff085f),
> > it probably warrants a look see from other people smarter than me.
> You forgot nested, so btrfs won't build. I posted a patchlet here that
> includes it.

I didn't see the patchlet, so I just did my own:
Let me know if anything looks wrong with it.

I also integrated the latest changes from Sebastian from the 4.6 branch
for this 4.8 repo; build tested btrfs and sanity boot tested the series
against 4.8-rc6 and pushed the changes out:

Everything else is unchanged (incl. the NFS borkage below.)


> > -Al Viro added a 2nd user of down_read_non_owner into NFS unlink.
> > Previously it was just bcache and Sebastian just made that depend on
> > !RT_FULL (md-disable-bcache.patch). So we'll need to decide what to
> > with that; I just ignored NFS for now, since it is horrible anyway.
> > (see upstream commit 884be175351e73c)
> Yeah, that is annoying. I've been carrying a revert ever since, with
> poke nfs on todo, but it seems to be marooned there (haven't even
> gotten around to generating the first obligatory explosion).
> -Mike