linux-kernel - Re: linux-next: build failure after merge of the bitmap tree

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Message-ID: <20231020155113.31acd611@canb.auug.org.au>
Date:   Fri, 20 Oct 2023 15:51:13 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Yury Norov <yury.norov@...il.com>
Cc:     Alexander Lobakin <aleksander.lobakin@...el.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the bitmap tree

Hi Yury,

On Thu, 19 Oct 2023 21:24:49 -0700 Yury Norov <yury.norov@...il.com> wrote:
>
> On Thu, Oct 19, 2023 at 08:58:24AM -0700, Yury Norov wrote:
> > On Thu, Oct 19, 2023 at 05:01:06PM +1100, Stephen Rothwell wrote:  
> > > 
> > > After merging the bitmap tree, today's linux-next build (native perf)
> > > failed like this:
> > > 
> > > In file included from /home/sfr/next/next/tools/perf/util/header.h:10,
> > >                  from /home/sfr/next/perf/pmu-events/pmu-events.c:3:
> > > /home/sfr/next/next/tools/include/linux/bitmap.h:5:10: fatal error: linux/align.h: No such file or directory
> > >     5 | #include <linux/align.h>
> > >       |          ^~~~~~~~~~~~~~~
> > > 
> > > Caused by commit
> > > 
> > >   ed46ac8199f0 ("bitmap: introduce generic optimized bitmap_size()")
> > > 
> > > I have used the bitmap tree from next-20231018 for today.  
> > 
> > Thanks, Stephen. I'll take a look and let you know when it's resolved.  
> 
> So the problem is that the patch "bitmap: introduce generic optimized
> bitmap_size()" adds reference to the linux/align.h, which doesn't exist
> in tools.
> 
> I removed tools part of the patch entirely, and now tools/perf, for
> example, builds OK for me natively. The tree doesn't touch tools at
> all now, except for moving BYTES_TO_BITS() from a source file to a
> header, which looks safe.

Almost - see my other email.

> Can you please try the latest bitmap-for-next?

See above.

My "native" is PowerPC 64 LE.
-- 
Cheers,
Stephen Rothwell

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