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Re: [PATCH] Avoid PLT when calling __sched_getaffinity_new
- From: Florian Weimer <fweimer at redhat dot com>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: GNU C Library <libc-alpha at sourceware dot org>
- Date: Wed, 14 Oct 2015 15:00:36 +0200
- Subject: Re: [PATCH] Avoid PLT when calling __sched_getaffinity_new
- Authentication-results: sourceware.org; auth=none
- References: <20150821170918 dot GA29943 at intel dot com> <561E4D6C dot 9040303 at redhat dot com> <CAMe9rOqT6cGee5iXWbqPfvZqYf=z53O-2LggQ-xGkMwQ+o1XAA at mail dot gmail dot com>
On 10/14/2015 02:52 PM, H.J. Lu wrote:
> On Wed, Oct 14, 2015 at 5:41 AM, Florian Weimer <fweimer@redhat.com> wrote:
>> On 08/21/2015 07:09 PM, H.J. Lu wrote:
>>> This patch adds an internal entry for __sched_getaffinity_new so that
>>> __sched_getaffinity_old calls __sched_getaffinity_new without going
>>> through PLT.
>>>
>>> OK for master?
>>
>> This phenomenon is not restricted to just this file. Why do you need to
>> change this instance in particular?
>>
>
> I opened BZ #18822 and I will remove unnecessary PLT one by one.
Ah, thanks. Okay for masker.
There really should be a better way to deal with this, though (similar
to the static namespace issue). But perhaps not with current binutils.
Florian