Re: [PATCH 1/7] sunrpc: remove __rcu annotation from struct gss_cl_ctx->gc_gss_ctx

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Monday 14 July 2014 11:02:02 Jeff Layton wrote:
> On Mon, 14 Jul 2014 16:23:53 +0200
> Arnd Bergmann <arnd@xxxxxxxx> wrote:
> 
> > On Sunday 13 July 2014 21:57:38 Jeff Layton wrote:
> > > 
> > > Commit 5b22216e11f7 (nfs: __rcu annotations) added a __rcu annotation to
> > > the gc_gss_ctx field. I see no rationale for adding that though, as that
> > > field does not seem to be managed via RCU at all.
> > > 
> > > Cc: Arnd Bergmann <arnd@xxxxxxxx>
> > > Cc: Paul McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
> > > Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxxxxxxx>
> > 
> > Unfortunately, it's been too long ago for me to remember what led to me
> > adding it. I also don't see a reason for it in today's code, but I don't
> > know if the code has changed, if I made a mistake then, or if it's actually
> > needed for some reason I don't see.
> > 
> 
> Darn, I was hoping you would remember... 
> 
> I don't think the code that manipulates this field has changed
> substantially since then, but I'm far from certain either. This field
> does live in a structure that is RCU managed, so maybe that was part of
> the rationale?
> 
> In any case, we're just removing the annotation here so this shouldn't
> materially harm anything, AFAICT.
> 

All the annotations I did were the results of building with sparse and
looking at the warnings. If you see fewer warnings after your patch
than before, than it's moving into the right direction ;-)

	Arnd
--
To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Filesystem Development]     [Linux USB Development]     [Linux Media Development]     [Video for Linux]     [Linux NILFS]     [Linux Audio Users]     [Yosemite Info]     [Linux SCSI]

  Powered by Linux