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From: Arnaldo Carvalho de Melo <acme@conectiva.com.br>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: context switch vs. signal delivery [was: Re: Accelerating user mode linux]
Date: Mon, 5 Aug 2002 02:42:06 -0300	[thread overview]
Message-ID: <20020805054206.GB7946@conectiva.com.br> (raw)
In-Reply-To: <ail2qh$bf0$1@penguin.transmeta.com>

Em Mon, Aug 05, 2002 at 05:35:13AM +0000, Linus Torvalds escreveu:
> This will break _horribly_ when (if) glibc starts using SSE2 for things
> like memcpy() etc.

Humm, related, wasn't one way of having userspace have access to the kernel
optimized versions of memcpy et al, thru a page with these functions that would
be mapped into the process address space (don't remember exact details)
something still being considered?

- Arnaldo

  reply	other threads:[~2002-08-05  5:38 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-08-01 20:16 Accelerating user mode linux Alan Cox
2002-08-02  4:40 ` Jeff Dike
2002-08-02  9:50   ` Alan Cox
2002-08-02 18:28     ` Jeff Dike
2002-08-02 17:48       ` Alan Cox
2002-08-02 22:33         ` Jeff Dike
2002-08-02 21:57           ` Alan Cox
2002-08-03  0:54             ` Jeff Dike
2002-08-02 11:34   ` Richard Zidlicky
2002-08-02 13:28     ` Alan Cox
2002-08-03 11:38       ` context switch vs. signal delivery [was: Re: Accelerating user mode linux] Ingo Molnar
2002-08-03 12:33         ` context switch vs. signal delivery [was: Re: Accelerating user mode Alan Cox
2002-08-03 15:29           ` Jeff Dike
2002-08-05 13:46             ` Udo A. Steinberg
2002-08-05 20:44               ` Richard Zidlicky
2002-08-05 22:34                 ` Udo A. Steinberg
2002-08-06  0:42                   ` Jeff Dike
2002-08-06  0:16                     ` Udo A. Steinberg
2002-08-06  2:55                       ` Jeff Dike
2002-08-06  8:10                         ` Udo A. Steinberg
2002-08-06 11:20                           ` Jeff Dike
2002-08-06 11:13                             ` Udo A. Steinberg
2002-08-06 12:53                               ` Jeff Dike
2002-08-06 13:04                                 ` Udo A. Steinberg
2002-08-06 14:12                                   ` Jeff Dike
2002-08-06 16:02                                     ` Udo A. Steinberg
2002-08-06 17:42                                       ` Jeff Dike
2002-08-06 18:01                                         ` Udo A. Steinberg
2002-08-08  1:27                                         ` Udo A. Steinberg
2002-08-08  3:14                                           ` Jeff Dike
2002-08-08  2:21                                             ` Benjamin LaHaise
2002-08-08  9:03                                             ` Udo A. Steinberg
2002-08-08 17:19                                               ` Jeff Dike
2002-08-05 22:06             ` Martin Waitz
2002-08-06  0:49               ` Jeff Dike
2002-08-04  6:46         ` context switch vs. signal delivery [was: Re: Accelerating user mode linux] Andi Kleen
2002-08-05  5:35           ` Linus Torvalds
2002-08-05  5:42             ` Arnaldo Carvalho de Melo [this message]
2002-08-05  6:37             ` Lincoln Dale
2002-08-05 15:39             ` Jamie Lokier
2002-08-05 16:38               ` Linus Torvalds
2002-08-05 20:01                 ` context switch vs. signal delivery [was: Re: Accelerating usermode linux] Oliver Neukum
2002-08-05 20:23                   ` Linus Torvalds
2002-08-06  5:31             ` context switch vs. signal delivery [was: Re: Accelerating user mode linux] Mark Mielke
2002-08-05 10:40           ` Ingo Molnar
2002-08-05 14:59             ` Larry McVoy
2002-08-05 15:41             ` Jamie Lokier
2002-08-05 15:44               ` Jamie Lokier
     [not found] <1028294887.18635.71.camel@irongate.swansea.linux.org.uk.suse.lists.linux.kernel>
     [not found] ` <Pine.LNX.4.44.0208031332120.7531-100000@localhost.localdomain.suse.lists.linux.kernel>
     [not found]   ` <m3u1mb5df3.fsf@averell.firstfloor.org.suse.lists.linux.kernel>
     [not found]     ` <ail2qh$bf0$1@penguin.transmeta.com.suse.lists.linux.kernel>
2002-08-05  8:38       ` Andi Kleen
2002-08-05 14:24         ` Jeff Dike
2002-08-05 16:19         ` Linus Torvalds
     [not found] <20020805163910.C7130@kushida.apsleyroad.org.suse.lists.linux.kernel>
     [not found] ` <Pine.LNX.4.44.0208050922570.1753-100000@home.transmeta.com.suse.lists.linux.kernel>
2002-08-05 16:46   ` Andi Kleen
2002-08-05 21:30     ` Jamie Lokier
2002-08-05 21:35       ` Andi Kleen
2002-08-05 22:09         ` Jamie Lokier
2002-08-05 22:16           ` Andi Kleen

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