linux-kernel - Re: [PATCH] nds32: Fix build error caused by incomplete configuration flag rename

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Date:   Wed, 13 Jun 2018 22:55:05 +0100
From:   James Hogan <jhogan@...nel.org>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Greentime Hu <green.hu@...il.com>,
        Vincent Chen <deanbo422@...il.com>,
        linux-kernel@...r.kernel.org,
        Matt Redfearn <matt.redfearn@...s.com>,
        Palmer Dabbelt <palmer@...ive.com>
Subject: Re: [PATCH] nds32: Fix build error caused by incomplete
 configuration flag rename

On Wed, Jun 13, 2018 at 02:28:08PM -0700, Guenter Roeck wrote:
> On Wed, Jun 13, 2018 at 10:06:13PM +0100, James Hogan wrote:
> > Thanks Guenter,
> > 
> > On Wed, Jun 13, 2018 at 12:43:52PM -0700, Guenter Roeck wrote:
> > > GENERIC_ASHLDI3, GENERIC_ASHRDI3, and GENERIC_LSHRDI3 were renamed to
> > > GENERIC_LIB_ASHLDI3, GENERIC_LIB_ASHRDI3, and GENERIC_LIB_LSHRDI3
> > > without making the matching changes in arch/nds32.
> > 
> > Well, thats a little misleading. The commit in question was applied
> > based on 4.17-rc2 a month *before* commit aeaa7af744fa ("nds32: lib: To
> > use generic lib instead of libgcc to prevent the symbol undefined
> > issue.") raced and overtook it and was merged in time for final 4.17, so
> > technically it was only when the two recently came together in merge
> > commit 763f96944c95 ("Merge tag 'mips_4.18' of
> > git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux") that it was a
> > problem.
> > 
> > Incidentally, is anybody building linux-next for nds32? (I could have
> > asked Linus to fix this up in the merge commit had I known).
> > 
> 
> Yes, me, and I had mentioned the failure a while ago in some e-mail exchange
> talking about testing on -next. I did not have time to bisect, though.

My appologies if I was cc'd and missed it.

> Also, I rarely report problems in -next anymore after some less than friendly
> reactions. One always risks something like "You should have checked branch <x>
> of repository <y> before bugging me with this report", which is especially
> annoying if the branch in question is not pulled into -next. People can always

Thats a pity, but fair enough!

> check http://kerneltests.org/builders if they are interested in the status
> of various branches.

Thanks for the link. For the record i'm always interested in -next
issues you might become aware of related to patches I've applied (which
is hard to tell at a glance on the webpage in this case unfortunately).

> 
> > > Fixes: e3d5980568f ("lib: Rename compiler intrinsic selects to GENERIC_LIB_*")
> > 
> > Perhaps this would be more accurate?:
> > Fixes: 763f96944c95 ("Merge tag 'mips_4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux")
> > 
> > > -	select GENERIC_ASHLDI3
> > > -	select GENERIC_ASHRDI3
> > > -	select GENERIC_LSHRDI3
> > > +	select GENERIC_LIB_ASHLDI3
> > > +	select GENERIC_LIB_ASHRDI3
> > > +	select GENERIC_LIB_LSHRDI3
> > >  	select GENERIC_CMPDI2
> > >  	select GENERIC_MULDI3
> > >  	select GENERIC_UCMPDI2
> > 
> > These 3 were renamed also.
> > 
> 
> Good point. Maybe someone else can take it from here to find a more
> politically correct wording of the patch description ?

happy to tomorrow if rds32 folk don't want to.

Thanks again,
James