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From: David Howells on 28 Apr 2010 09:30
Peter Fritzsche <peter.fritzsche(a)gmx.de> wrote:
> 32-bit Sparc used to only allow usage of 24-bit of it's atomic_t type.
> This was corrected with linux 2.6.3 when Keith M Wesolowski changed the
> implementation to use the parisc approach of having an array of
> spinlocks to protect the atomic_t.
> These warnings were also removed from the sparc implementation when the
> new implementation was merged in BKrev:402e4949VThdc6D3iaosSFUgabMfvw,
> but the warning still remained in some other places without any
> 24-bit-only atomic_t implementation inside the kernel.
> We should remove these warnings to allow users to rely on the full
> 32-bit range of atomic_t.
> Signed-off-by: Peter Fritzsche <peter.fritzsche(a)gmx.de>
Acked-by: David Howells <dhowells(a)redhat.com>
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