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MIPS: export __cmpxchg_small()

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Export the symbol __cmpxchg_small() for btrfs.ko that uses 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/
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2024-10-22 16:21:05 +02:00
parent 75f49c3dc7
commit 90a88784cd
1 changed files with 1 additions and 0 deletions
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arch/mips/kernel/cmpxchg.c
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@ -102,3 +102,4 @@ unsigned long __cmpxchg_small(volatile void *ptr, unsigned long old,
return old;
}
}
EXPORT_SYMBOL(__cmpxchg_small);