Re: [PATCH] MIPS: Quit using undefined behavior of ADDU in 64-bit atomic operations.

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To: David Daney <ddaney@xxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH] MIPS: Quit using undefined behavior of ADDU in 64-bit atomic operations.
From: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Date: Fri, 23 Jul 2010 04:52:59 +0100
Cc: linux-mips@xxxxxxxxxxxxxx
In-reply-to: <1279825167-23048-1-git-send-email-ddaney@xxxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.20 (2009-08-17)

On Thu, Jul 22, 2010 at 11:59:27AM -0700, David Daney wrote:

> For 64-bit, we must use DADDU and DSUBU.

Ouch.  I'm surprised this one was able to lurk around for so long.

Applied.  Thanks!

  Ralf

References:
- [PATCH] MIPS: Quit using undefined behavior of ADDU in 64-bit atomic operations.
  - From: David Daney

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