linux-kernel - Re: [PATCH] MIPS: export __cmpxchg

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Message-ID: <ZxfQvMx2xOIeSP8N@alpha.franken.de>
Date: Tue, 22 Oct 2024 18:20:12 +0200
From: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To: David Sterba <dsterba@...e.com>
Cc: linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MIPS: export __cmpxchg_small()

On Tue, Oct 22, 2024 at 04:39:13PM +0200, David Sterba wrote:
> Export the symbol __cmpxchg_small() for btrfs.ko that will use it to
> store blk_status_t, which is u8. Reported by LKP:
> 
> >> ERROR: modpost: "__cmpxchg_small" [fs/btrfs/btrfs.ko] undefined!
> 
> Patch using the cmpxchg() https://lore.kernel.org/linux-btrfs/1d4f72f7fee285b2ddf4bf62b0ac0fd89def5417.1728575379.git.naohiro.aota@wdc.com/
> 
> Link: https://lore.kernel.org/all/20241016134919.GO1609@suse.cz/
> Signed-off-by: David Sterba <dsterba@...e.com>
> ---
> 
> I can merge it via the btrfs git tree along the fix or wait until it's
> merged the usual way, please let me know.

just merge via btrfs tree.

Acked-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>

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