linux-kernel - Re: [PATCH 03/11] x86: Merge tolerant

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Message-ID: <4C7B45F1.7000503@kernel.org>
Date:	Mon, 30 Aug 2010 08:47:29 +0300
From:	Pekka Enberg <penberg@...nel.org>
To:	Brian Gerst <brgerst@...il.com>
CC:	hpa@...or.com, x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/11] x86: Merge tolerant_fwait()

  On 8/30/10 3:35 AM, Brian Gerst wrote:
> On Sun, Aug 29, 2010 at 2:32 PM, Pekka Enberg<penberg@...nel.org>  wrote:
>> On Sat, Aug 28, 2010 at 7:04 PM, Brian Gerst<brgerst@...il.com>  wrote:
>>> Now that 32-bit can handle exceptions from the kernel, switch to using
>>> the 64-bit version of tolerant_fwait() without fnclex.  In the unlikely
>>> event an exception is triggered, it is simply ignored.
>>>
>>> Signed-off-by: Brian Gerst<brgerst@...il.com>
>> Why is 32-bit able to handle exceptions? Is that part of this series
>> or is it some existing commit in tip or linus?
>>
> Commit e2e75c915de045f0785387dc32f55e92fab0614c merged the 32-bit and
> 64-bit math exception handlers into one, which calls
> fixup_exception().
That could be in the changelog.

Acked-by: Pekka Enberg <penberg@...nel.org>
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