From: Ralf Baechle <ralf@oss.sgi.com>
To: "Kevin D. Kissell" <kevink@mips.com>
Cc: "H . J . Lu" <hjl@lucon.org>, Ulrich Drepper <drepper@redhat.com>,
GNU libc hacker <libc-hacker@sources.redhat.com>,
linux-mips@oss.sgi.com
Subject: Re: thread-ready ABIs
Date: Sat, 19 Jan 2002 16:24:15 -0800 [thread overview]
Message-ID: <20020119162415.B31028@dea.linux-mips.net> (raw)
In-Reply-To: <01b801c1a081$3f6518e0$0deca8c0@Ulysses>; from kevink@mips.com on Sat, Jan 19, 2002 at 01:35:38AM +0100
On Sat, Jan 19, 2002 at 01:35:38AM +0100, Kevin D. Kissell wrote:
> Thank you for posting this to linux-mips, since I'm not sure
> that anyone at MIPS is on the GNU_libc_hacker list.
>
> It would, in principle, be possible to save/restore k0
> or k1 (but not both) if no other clever solution can be found.
> There are other VM OSes that manage to do so for MIPS,
> for other outside-the-old-ABI reasons. It does, of course,
> add some instructions and some memory traffic to the
> low-level exception handling , and we would have to look
> at whether we would want to make such a feature standard
> or specific to a "thread-ready" kernel build.
Changing the kernel for the small number of threaded applications that
exists and taking a performance impact for the kernel itself and anything
that's using threads is an exquisite example for a bad tradeoff.
Ralf
next prev parent reply other threads:[~2002-01-21 23:21 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <m3elkoa5dw.fsf@myware.mynet>
2002-01-18 18:19 ` thread-ready ABIs H . J . Lu
2002-01-18 18:31 ` Ulrich Drepper
2002-01-18 19:08 ` H . J . Lu
2002-01-18 19:20 ` Ulrich Drepper
2002-01-19 12:14 ` Dominic Sweetman
2002-01-19 12:14 ` Dominic Sweetman
2002-01-20 0:14 ` Ralf Baechle
2002-01-18 20:03 ` Maciej W. Rozycki
2002-01-18 20:20 ` Ulrich Drepper
2002-01-18 20:50 ` Maciej W. Rozycki
2002-01-18 21:02 ` Ulrich Drepper
2002-01-18 21:35 ` Maciej W. Rozycki
2002-01-18 21:44 ` Ulrich Drepper
2002-01-18 22:17 ` Maciej W. Rozycki
2002-01-18 21:23 ` Daniel Jacobowitz
2002-01-19 0:35 ` Kevin D. Kissell
2002-01-19 0:35 ` Kevin D. Kissell
2002-01-19 4:11 ` H . J . Lu
2002-01-19 12:27 ` Dominic Sweetman
2002-01-19 19:42 ` H . J . Lu
2002-01-21 13:27 ` Maciej W. Rozycki
2002-01-19 22:21 ` Kevin D. Kissell
2002-01-19 22:21 ` Kevin D. Kissell
2002-01-20 10:38 ` Machida Hiroyuki
2002-01-20 11:58 ` Kevin D. Kissell
2002-01-20 11:58 ` Kevin D. Kissell
2002-01-20 13:16 ` Machida Hiroyuki
2002-01-22 6:27 ` patches for test-and-set without ll/sc (Re: thread-ready ABIs) Machida Hiroyuki
2002-01-22 6:37 ` Ulrich Drepper
2002-01-22 6:46 ` Machida Hiroyuki
2002-01-22 6:56 ` Ulrich Drepper
2002-01-24 9:56 ` Andreas Jaeger
2002-01-24 9:56 ` Andreas Jaeger
2002-01-20 19:19 ` thread-ready ABIs H . J . Lu
2002-01-21 9:39 ` Kevin D. Kissell
2002-01-21 9:39 ` Kevin D. Kissell
2002-01-21 13:56 ` Maciej W. Rozycki
2002-01-21 18:24 ` H . J . Lu
2002-01-21 18:36 ` Ulrich Drepper
2002-01-21 18:52 ` H . J . Lu
2002-01-21 18:58 ` H . J . Lu
2002-01-21 18:59 ` Daniel Jacobowitz
2002-01-21 19:05 ` H . J . Lu
2002-01-21 19:09 ` Daniel Jacobowitz
2002-01-21 19:18 ` H . J . Lu
2002-01-21 21:04 ` Kevin D. Kissell
2002-01-21 21:04 ` Kevin D. Kissell
2002-01-21 19:30 ` Geoff Keating
2002-01-21 21:07 ` Ulrich Drepper
2002-01-21 13:43 ` Maciej W. Rozycki
2002-01-20 0:24 ` Ralf Baechle [this message]
2002-01-21 23:22 ` Ulrich Drepper
2002-01-21 23:57 ` Kevin D. Kissell
2002-01-21 23:57 ` Kevin D. Kissell
2002-01-22 0:16 ` Ulrich Drepper
2002-01-22 0:16 ` Ulrich Drepper
2002-01-22 9:37 ` Dominic Sweetman
2002-01-22 9:37 ` Dominic Sweetman
2002-01-22 17:41 ` Ulrich Drepper
2002-01-22 17:41 ` Ulrich Drepper
2002-01-22 9:59 ` Dominic Sweetman
2002-01-22 9:59 ` Dominic Sweetman
2002-01-22 12:18 ` Kevin D. Kissell
2002-01-22 12:18 ` Kevin D. Kissell
2002-01-22 15:21 ` Daniel Jacobowitz
2002-01-22 15:44 ` Dominic Sweetman
2002-01-22 21:44 ` Tommy S. Christensen
2002-01-22 21:53 ` Kevin D. Kissell
2002-01-22 21:53 ` Kevin D. Kissell
2002-01-22 23:13 ` Kevin D. Kissell
2002-01-22 23:13 ` Kevin D. Kissell
2002-01-23 1:12 ` Jason Gunthorpe
2002-01-22 16:05 ` Kevin D. Kissell
2002-01-22 16:05 ` Kevin D. Kissell
2002-01-22 16:34 ` Daniel Jacobowitz
2002-01-22 17:08 ` Kevin D. Kissell
2002-01-22 17:08 ` Kevin D. Kissell
2002-01-22 17:13 ` Daniel Jacobowitz
2002-01-22 17:34 ` Kevin D. Kissell
2002-01-22 17:34 ` Kevin D. Kissell
2002-01-22 17:37 ` Daniel Jacobowitz
2002-01-22 17:47 ` Kevin D. Kissell
2002-01-22 17:47 ` Kevin D. Kissell
2002-01-22 17:57 ` Daniel Jacobowitz
2002-01-22 18:18 ` Kevin D. Kissell
2002-01-22 18:18 ` Kevin D. Kissell
2002-01-27 20:24 ` Alan Cox
2002-01-27 20:24 ` Alan Cox
2002-01-28 8:50 ` Kevin D. Kissell
2002-01-28 8:50 ` Kevin D. Kissell
2002-01-22 1:39 ` Richard Henderson
2002-01-18 21:24 Justin Carlson
2002-01-18 21:31 ` Ulrich Drepper
2002-01-18 21:42 ` Maciej W. Rozycki
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