From: Alexandre Julliard <julliard@winehq.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Jakub Jelinek <jakub@redhat.com>,
Linus Torvalds <torvalds@transmeta.com>,
<linux-kernel@vger.kernel.org>, Luca Barbieri <ldb@ldb.ods.org>
Subject: Re: [patch] tls-2.5.31-D5
Date: 12 Aug 2002 18:50:44 -0700 [thread overview]
Message-ID: <873ctjle6j.fsf@mail.wine.dyndns.org> (raw)
In-Reply-To: <Pine.LNX.4.44.0208121939260.22188-100000@localhost.localdomain>
Ingo Molnar <mingo@elte.hu> writes:
> well, i think i have to agree ... if it wasnt for Wine's 0x40 descriptor.
> But it certainly does not come free. We could have 3 TLS entries (0x40
> will be the last entry), and the copying cost is 9 cycles. (compared to 6
> cycles in the 2 entries case.) Good enough?
Note that Wine doesn't really require the 0x40 descriptor. As long as
we can trap accesses to it and emulate them like we do now, that's
good enough. Of course having a GDT entry would save a few cycles, but
this only matters for old Win16 apps, so I'm not sure adding even 1
cycle to the task switch time is worth it.
--
Alexandre Julliard
julliard@winehq.com
next prev parent reply other threads:[~2002-08-13 1:47 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-07 18:10 [patch] tls-2.5.30-A1 Ingo Molnar
2002-08-07 18:33 ` Linus Torvalds
2002-08-07 18:43 ` Stephen Rothwell
2002-08-07 18:57 ` Linus Torvalds
2002-08-07 19:40 ` Alexandre Julliard
2002-08-07 19:31 ` Ingo Molnar
2002-08-07 19:49 ` Alexandre Julliard
2002-08-07 22:01 ` Alan Cox
2002-08-07 22:36 ` Luca Barbieri
2002-08-07 22:54 ` Ingo Molnar
2002-08-07 23:21 ` Luca Barbieri
2002-08-07 23:35 ` DMA Problems with Intel 845 Chipset and Northwood CPU Mark Cuss
2002-08-08 0:58 ` John L. Korpi
2002-08-08 16:12 ` Mark Cuss
2002-08-11 21:46 ` [patch] tls-2.5.31-C3 Ingo Molnar
2002-08-12 7:34 ` Stephen Rothwell
2002-08-12 10:07 ` Ingo Molnar
2002-08-12 8:23 ` Stephen Rothwell
2002-08-12 10:08 ` Alan Cox
2002-08-12 10:49 ` Ingo Molnar
2002-08-12 10:34 ` Alan Cox
2002-08-12 12:17 ` Ingo Molnar
2002-08-12 11:47 ` Alan Cox
2002-08-12 12:55 ` Ingo Molnar
2002-08-12 12:29 ` Alan Cox
2002-08-12 10:35 ` Alan Cox
2002-08-12 13:10 ` Kasper Dupont
2002-08-12 15:20 ` Ingo Molnar
2002-08-12 14:46 ` Stephen Rothwell
2002-08-12 12:18 ` Luca Barbieri
2002-08-12 15:12 ` Ingo Molnar
2002-08-12 13:43 ` Luca Barbieri
2002-08-12 15:57 ` Ingo Molnar
2002-08-12 14:17 ` Luca Barbieri
2002-08-12 15:53 ` [patch] tls-2.5.31-D3 Ingo Molnar
2002-08-12 16:13 ` [patch] tls-2.5.31-D4 Ingo Molnar
2002-08-12 14:32 ` Luca Barbieri
2002-08-12 17:06 ` [patch] tls-2.5.31-D5 Ingo Molnar
2002-08-12 15:21 ` Jakub Jelinek
2002-08-12 17:41 ` Ingo Molnar
2002-08-12 15:54 ` Luca Barbieri
2002-08-12 18:03 ` [patch] tls-2.5.31-D9 Ingo Molnar
2002-08-13 1:50 ` Alexandre Julliard [this message]
2002-08-12 17:24 ` [patch] tls-2.5.31-D7 Ingo Molnar
2002-08-12 15:45 ` Christoph Hellwig
2002-08-07 19:02 ` [patch] tls-2.5.30-A1 Christoph Hellwig
2002-08-08 12:25 ` Jamie Lokier
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