linux-kernel - Re: [ 100/180] powerpc: Add "memory" attribute for mfmsr()

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Date:	Thu, 4 Oct 2012 22:32:29 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Willy Tarreau <w@....eu>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	Tiejun Chen <tiejun.chen@...driver.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [ 100/180] powerpc: Add "memory" attribute for mfmsr()

On Tue, Oct 02, 2012 at 12:53:37AM +0200, Willy Tarreau wrote:
> 2.6.32-longterm review patch.  If anyone has any objections, please let me know.
> 
> ------------------
> 
> From: Tiejun Chen <tiejun.chen@...driver.com>
> 
> commit b416c9a10baae6a177b4f9ee858b8d309542fbef upstream.
> 
> Add "memory" attribute in inline assembly language as a compiler
> barrier to make sure 4.6.x GCC don't reorder mfmsr().
> 
> Signed-off-by: Tiejun Chen <tiejun.chen@...driver.com>
> Signed-off-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> 
> commit 93487ce8d6edc7c550b1449770df5e44715f520f upstream.
[...]

Another 3.0 stable reference.

Ben.

-- 
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
                                                              - Albert Camus
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