linux-kernel - Re: linux-next: build warnings after merge of the btrfs tree

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Message-ID: <20230920131642.62803bd8@canb.auug.org.au>
Date:   Wed, 20 Sep 2023 13:16:42 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     David Sterba <dsterba@...e.cz>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warnings after merge of the btrfs tree

Hi Stephen,

On Tue, 12 Sep 2023 22:20:06 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Hi David,
> 
> On Tue, 12 Sep 2023 13:20:11 +0200 David Sterba <dsterba@...e.cz> wrote:
> > 
> > I tried 12 and 13, no warnings on x86_64, however the report is on
> > powerpc. If this is on a big endian host it could be a valid warning, we
> > have an optmization where the on-disk format endianity matches CPU
> > (little endian) then the structures btrfs_disk_key and btrfs_key are
> > equivalent and no coversion is needed.
> > 
> > There were some changes that might be related and newly added to
> > for-next so we don't have any other reference point, I'll take a look.  
> 
> This is indeed a big endian build (big endian cross build on a little
> endian host).  I also did *not* get these warnings on my x86_64 build.

But I do get them from my s390 defconfig build.  Any progress?

-- 
Cheers,
Stephen Rothwell

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