From: Dave Chinner <david@fromorbit.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Dave Chinner <dchinner@redhat.com>,
Chandan Babu R <chandanrlinux@gmail.com>,
"Darrick J . Wong" <djwong@kernel.org>,
Allison Henderson <allison.henderson@oracle.com>,
Christoph Hellwig <hch@lst.de>,
linux-xfs@vger.kernel.org, linux-next@vger.kernel.org,
linux-kernel@vger.kernel.org, noreply@ellerman.id.au
Subject: Re: [PATCH] xfs: Fix 64-bit division on 32-bit in xlog_state_switch_iclogs()
Date: Fri, 11 Jun 2021 08:01:55 +1000 [thread overview]
Message-ID: <20210610220155.GQ664593@dread.disaster.area> (raw)
In-Reply-To: <20210610110001.2805317-1-geert@linux-m68k.org>
On Thu, Jun 10, 2021 at 01:00:01PM +0200, Geert Uytterhoeven wrote:
> On 32-bit (e.g. m68k):
>
> ERROR: modpost: "__udivdi3" [fs/xfs/xfs.ko] undefined!
>
> Fix this by using a uint32_t intermediate, like before.
>
> Reported-by: noreply@ellerman.id.au
> Fixes: 7660a5b48fbef958 ("xfs: log stripe roundoff is a property of the log")
> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
> ---
> Compile-tested only.
> ---
> fs/xfs/xfs_log.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
<sigh>
64 bit division on 32 bit platforms is still a problem in this day
and age?
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Maybe we should just put "requires 64 bit kernel" on XFS these days...
-Dave.
--
Dave Chinner
david@fromorbit.com
next prev parent reply other threads:[~2021-06-10 22:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-10 11:00 [PATCH] xfs: Fix 64-bit division on 32-bit in xlog_state_switch_iclogs() Geert Uytterhoeven
2021-06-10 22:01 ` Dave Chinner [this message]
2021-06-10 22:50 ` Darrick J. Wong
2021-06-11 6:55 ` Geert Uytterhoeven
2021-06-11 22:46 ` Dave Chinner
2021-06-12 8:54 ` Geert Uytterhoeven
2021-06-14 8:18 ` David Laight
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