From: Ingo Molnar <mingo@elte.hu>
To: Ulrich Drepper <drepper@gmail.com>
Cc: Jamie Lokier <jamie@shareable.org>,
Arjan van de Ven <arjan@infradead.org>,
akpm@linux-foundation.org, hugh@veritas.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, briangrant@google.com,
cgd@google.com, mbligh@google.com,
Linus Torvalds <torvalds@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: pthread_create() slow for many threads; also time to revisit 64b context switch optimization?
Date: Fri, 15 Aug 2008 21:00:34 +0200 [thread overview]
Message-ID: <20080815190034.GA15356@elte.hu> (raw)
In-Reply-To: <a36005b50808151023s7baffae5w8e163046209ce9dc@mail.gmail.com>
* Ulrich Drepper <drepper@gmail.com> wrote:
> On Fri, Aug 15, 2008 at 10:19 AM, Ingo Molnar <mingo@elte.hu> wrote:
> > ( also, just to make sure: all Linux kernel versions will ignore such
> > extra flags, so you can just update glibc to use this flag
> > unconditionally, correct? )
>
> As soon as the patch hits Linus' tree I can change the code.
it's upstream now:
| commit cd98a04a59e2f94fa64d5bf1e26498d27427d5e7
| Author: Ingo Molnar <mingo@elte.hu>
| Date: Wed Aug 13 18:02:18 2008 +0200
|
| x86: add MAP_STACK mmap flag
thanks everyone,
Ingo
WARNING: multiple messages have this Message-ID (diff)
From: Ingo Molnar <mingo@elte.hu>
To: Ulrich Drepper <drepper@gmail.com>
Cc: Jamie Lokier <jamie@shareable.org>,
Arjan van de Ven <arjan@infradead.org>,
akpm@linux-foundation.org, hugh@veritas.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, briangrant@google.com,
cgd@google.com, mbligh@google.com,
Linus Torvalds <torvalds@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: pthread_create() slow for many threads; also time to revisit 64b context switch optimization?
Date: Fri, 15 Aug 2008 21:00:34 +0200 [thread overview]
Message-ID: <20080815190034.GA15356@elte.hu> (raw)
In-Reply-To: <a36005b50808151023s7baffae5w8e163046209ce9dc@mail.gmail.com>
* Ulrich Drepper <drepper@gmail.com> wrote:
> On Fri, Aug 15, 2008 at 10:19 AM, Ingo Molnar <mingo@elte.hu> wrote:
> > ( also, just to make sure: all Linux kernel versions will ignore such
> > extra flags, so you can just update glibc to use this flag
> > unconditionally, correct? )
>
> As soon as the patch hits Linus' tree I can change the code.
it's upstream now:
| commit cd98a04a59e2f94fa64d5bf1e26498d27427d5e7
| Author: Ingo Molnar <mingo@elte.hu>
| Date: Wed Aug 13 18:02:18 2008 +0200
|
| x86: add MAP_STACK mmap flag
thanks everyone,
Ingo
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next prev parent reply other threads:[~2008-08-15 19:01 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <af8810200808121736q76640cc1kb814385072fe9b29@mail.gmail.com>
2008-08-13 0:45 ` pthread_create() slow for many threads; also time to revisit 64b context switch optimization? Pardo
2008-08-13 0:45 ` Pardo
2008-08-13 10:44 ` Ingo Molnar
2008-08-13 10:44 ` Ingo Molnar
2008-08-13 13:35 ` Arjan van de Ven
2008-08-13 13:35 ` Arjan van de Ven
2008-08-13 14:21 ` Ulrich Drepper
2008-08-13 14:21 ` Ulrich Drepper
2008-08-13 14:25 ` Ingo Molnar
2008-08-13 14:25 ` Ingo Molnar
2008-08-13 14:36 ` Ulrich Drepper
2008-08-13 14:36 ` Ulrich Drepper
2008-08-13 15:10 ` Ingo Molnar
2008-08-13 15:10 ` Ingo Molnar
2008-08-13 15:21 ` Ulrich Drepper
2008-08-13 15:21 ` Ulrich Drepper
2008-08-13 15:40 ` Ingo Molnar
2008-08-13 15:40 ` Ingo Molnar
2008-08-13 15:55 ` Ulrich Drepper
2008-08-13 15:55 ` Ulrich Drepper
2008-08-13 16:02 ` Ingo Molnar
2008-08-13 16:02 ` Ingo Molnar
2008-08-15 15:54 ` Jamie Lokier
2008-08-15 15:54 ` Jamie Lokier
2008-08-15 16:03 ` Ingo Molnar
2008-08-15 16:03 ` Ingo Molnar
2008-08-15 17:13 ` Ulrich Drepper
2008-08-15 17:13 ` Ulrich Drepper
2008-08-15 17:19 ` Ingo Molnar
2008-08-15 17:19 ` Ingo Molnar
2008-08-15 17:23 ` Ulrich Drepper
2008-08-15 17:23 ` Ulrich Drepper
2008-08-15 19:00 ` Ingo Molnar [this message]
2008-08-15 19:00 ` Ingo Molnar
2008-08-13 17:09 ` Linus Torvalds
2008-08-13 17:09 ` Linus Torvalds
2008-08-13 18:04 ` Ulrich Drepper
2008-08-13 18:04 ` Ulrich Drepper
2008-08-13 18:16 ` Arjan van de Ven
2008-08-13 18:16 ` Arjan van de Ven
2008-08-13 18:22 ` Ulrich Drepper
2008-08-13 18:22 ` Ulrich Drepper
2008-08-13 16:05 ` H. Peter Anvin
2008-08-13 16:05 ` H. Peter Anvin
2008-08-13 20:42 ` Andi Kleen
2008-08-13 20:42 ` Andi Kleen
2008-08-13 20:56 ` Andrew Morton
2008-08-13 20:56 ` Andrew Morton
2008-08-13 21:46 ` Andi Kleen
2008-08-13 21:46 ` Andi Kleen
2008-08-15 12:43 ` Ingo Molnar
2008-08-15 12:43 ` Ingo Molnar
2008-08-15 13:33 ` Andi Kleen
2008-08-15 13:33 ` Andi Kleen
2008-08-21 16:35 Leon Bottou
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