From: Pekka Enberg <penberg@kernel.org>
To: Brian Gerst <brgerst@gmail.com>
Cc: hpa@zytor.com, x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 03/11] x86: Merge tolerant_fwait()
Date: Mon, 30 Aug 2010 08:47:29 +0300 [thread overview]
Message-ID: <4C7B45F1.7000503@kernel.org> (raw)
In-Reply-To: <AANLkTinZ1viu=MWZUhH6M_ztpzg7yYG-4Rh26PkDyVQ_@mail.gmail.com>
On 8/30/10 3:35 AM, Brian Gerst wrote:
> On Sun, Aug 29, 2010 at 2:32 PM, Pekka Enberg<penberg@kernel.org> wrote:
>> On Sat, Aug 28, 2010 at 7:04 PM, Brian Gerst<brgerst@gmail.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@gmail.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@kernel.org>
next prev parent reply other threads:[~2010-08-30 5:47 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-28 16:04 x86: FPU cleanups Brian Gerst
2010-08-28 16:04 ` [PATCH 01/11] x86: Use correct type for %cr4 Brian Gerst
2010-08-29 18:24 ` Pekka Enberg
2010-08-28 16:04 ` [PATCH 02/11] x86: Merge fpu_init() Brian Gerst
2010-08-29 18:29 ` Pekka Enberg
2010-08-30 0:44 ` Brian Gerst
2010-08-28 16:04 ` [PATCH 03/11] x86: Merge tolerant_fwait() Brian Gerst
2010-08-29 18:32 ` Pekka Enberg
2010-08-30 0:35 ` Brian Gerst
2010-08-30 5:47 ` Pekka Enberg [this message]
2010-08-28 16:04 ` [PATCH 04/11] x86: Merge __save_init_fpu() Brian Gerst
2010-08-29 18:33 ` Pekka Enberg
2010-08-28 16:04 ` [PATCH 05/11] x86-64: Disable preemption when using TS_USEDFPU Brian Gerst
2010-08-29 18:38 ` Pekka Enberg
2010-08-28 16:04 ` [PATCH 06/11] x86-64: Fix %cs value in convert_from_fxsr() Brian Gerst
2010-08-29 18:41 ` Pekka Enberg
2010-08-30 0:25 ` Brian Gerst
2010-08-30 6:44 ` Pekka Enberg
2010-08-30 11:38 ` Brian Gerst
2010-08-28 16:04 ` [PATCH 07/11] x86-64: Simplify constraints for fxsave/fxtstor Brian Gerst
2010-08-29 18:45 ` Pekka Enberg
2010-08-29 23:44 ` Brian Gerst
2010-08-30 5:56 ` Pekka Enberg
2010-08-28 16:04 ` [PATCH 08/11] x86-32: Remove math_emulate stub Brian Gerst
2010-08-29 18:47 ` Pekka Enberg
2010-08-28 16:04 ` [PATCH 09/11] x86: Merge fpu_save_init() Brian Gerst
2010-08-29 18:54 ` Pekka Enberg
2010-08-28 16:04 ` [PATCH 10/11] x86: Remove unnecessary ifdefs from i387 code Brian Gerst
2010-08-29 19:00 ` Pekka Enberg
2010-08-29 23:38 ` Brian Gerst
2010-08-30 5:44 ` Pekka Enberg
2010-08-30 11:21 ` Brian Gerst
2010-08-30 11:25 ` Pekka Enberg
2010-08-28 16:04 ` [PATCH 11/11] x86: Remove PSHUFB_XMM5_* macros Brian Gerst
2010-08-29 19:02 ` Pekka Enberg
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