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From: "H.J. Lu" <hjl.tools@gmail.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: Joseph Myers <joseph@codesourcery.com>,
	Ilya Enkovich <enkovich.gnu@gmail.com>,
		GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [PATCH, MPX runtime 1/2] Integrate MPX runtime library
Date: Tue, 11 Nov 2014 20:22:00 -0000	[thread overview]
Message-ID: <CAMe9rOp52vqvhjkdcVmriiz6qVobkq-dLunq2nZdoLsmi9H3Hw@mail.gmail.com> (raw)
In-Reply-To: <87r3x9a7yt.fsf@tassilo.jf.intel.com>

On Tue, Nov 11, 2014 at 10:49 AM, Andi Kleen <andi@firstfloor.org> wrote:
> Joseph Myers <joseph@codesourcery.com> writes:
>
>> On Tue, 11 Nov 2014, Ilya Enkovich wrote:
>>
>>> Hi,
>>>
>>> This patch integrates MPX runtime library into GCC source tree.  MPX
>>> runtime is responsible for initialization of MPX feature in HW, signal
>>> handling, reporting etc.  Library is linked to codes compiled with
>>> -mmpx.
>>>
>>> Bootstrap is OK for x86_64-unknown-linux-gnu.  OK for trunk?
>>
>> Please use symbol versioning to control the set of exports for the
>> library; only symbols explicitly listed to be exported at a given symbol
>> version should be exported.
>
> Also I think you need some user documentation on the implications of the
> overriding of sigaction. If someone else wants to do similar tricks (and
> I'm sure some do) there would be conflicts.
>
> Really it would be far better if the signal handler chaining was done
> in glibc.
>

It is similar to libsanitizer.  Put it in glibc isn't going to work well
for MPX.

-- 
H.J.

  reply	other threads:[~2014-11-11 20:20 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-11 15:37 Ilya Enkovich
2014-11-11 18:09 ` Joseph Myers
2014-11-11 18:15   ` Joseph Myers
2014-11-11 20:26     ` Ilya Enkovich
2014-11-11 18:49   ` Andi Kleen
2014-11-11 20:22     ` H.J. Lu [this message]
2014-11-11 21:04       ` Andi Kleen
2014-11-11 21:11         ` H.J. Lu
2014-11-11 21:24           ` Andi Kleen
2014-11-11 21:37             ` Joseph Myers
2014-11-11 22:07               ` H.J. Lu
2014-11-11 22:10                 ` Joseph Myers
2014-11-11 20:36     ` Joseph Myers
2014-11-12 16:20       ` Ilya Enkovich
2014-11-12 21:41         ` Joseph Myers
2014-11-12 22:56           ` Ilya Enkovich
2014-11-12 23:11             ` Joseph Myers
2014-11-13  8:39               ` Ilya Enkovich
2014-11-13 20:56                 ` Joseph Myers
2014-11-19 14:18                   ` Ilya Enkovich
2014-11-19 18:05                     ` Jeff Law
2014-11-19 18:16                       ` Ilya Enkovich
2014-11-21 16:04                         ` Ilya Enkovich
2014-11-21 23:49                           ` Joseph Myers
2014-11-24 14:28                             ` Ilya Enkovich
2014-12-09  8:25                               ` Ilya Enkovich
2014-12-09 20:48                                 ` Jeff Law
2014-12-09 20:56                                   ` Ilya Enkovich
2015-03-02 16:19                                     ` Ilya Enkovich
2015-03-04 17:36                                       ` Jeff Law
2014-11-22  0:26                     ` Joseph Myers
2014-11-11 20:06 ` Jeff Law
2014-11-11 20:24   ` Ilya Enkovich
2014-11-12 20:53     ` Jeff Law
2014-11-12  8:36 ` Richard Biener
2014-11-12  8:38   ` Jakub Jelinek

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