From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Petr Vandrovec <vandrove@vc.cvut.cz>
Cc: lkml <linux-kernel@vger.kernel.org>
Subject: Re: TSCs are a no-no on i386
Date: 31 Jul 2003 00:10:27 +0100 [thread overview]
Message-ID: <1059606394.10505.24.camel@dhcp22.swansea.linux.org.uk> (raw)
In-Reply-To: <20030730215032.GA18892@vana.vc.cvut.cz>
On Mer, 2003-07-30 at 22:50, Petr Vandrovec wrote:
> There is no such instruction. Skip LOCK prefix and decode again,
> you'll get either cmpxchg or xadd (or cmpxchg8b, but then it does
> not work on i486 too).
And if the byte you are looking at was patched by another thread you've
blown it. Your emulation can only be so good 8) People do stuff like
patching instructions under software decode as a robustness check - its
normally pretty amusing
next prev parent reply other threads:[~2003-07-30 23:15 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-30 13:56 TSCs are a no-no on i386 Jan-Benedict Glaw
2003-07-30 14:18 ` Maciej W. Rozycki
2003-07-30 14:44 ` Jan-Benedict Glaw
2003-07-30 16:58 ` Matthew Garrett
2003-07-30 17:19 ` Alan Cox
2003-07-30 18:10 ` Adrian Bunk
2003-07-30 18:30 ` Mike Fedyk
2003-07-30 18:45 ` Adrian Bunk
2003-07-30 20:01 ` Alan Cox
2003-07-30 20:33 ` Jan-Benedict Glaw
2003-07-30 22:19 ` J.A. Magallon
2003-07-31 6:11 ` Jan-Benedict Glaw
2003-07-30 23:05 ` Alan Cox
2003-07-31 11:11 ` Richard B. Johnson
2003-07-31 11:26 ` Emulating i486+ insn on i386 (was: TSCs are a no-no on i386) Jan-Benedict Glaw
2003-07-31 11:41 ` TSCs are a no-no on i386 Jan-Benedict Glaw
2003-07-31 0:22 ` Adrian Bunk
2003-07-31 6:22 ` Jan-Benedict Glaw
2003-07-31 7:17 ` Willy Tarreau
2003-07-31 11:38 ` Emulating i486 on i386 (was: TSCs are a no-no on i386) Jan-Benedict Glaw
2003-07-31 11:51 ` Alan Cox
2003-07-31 12:14 ` Jan-Benedict Glaw
2003-07-31 13:01 ` Jan-Benedict Glaw
2003-07-31 15:09 ` Martin Schlemmer
2003-07-31 15:33 ` Jan-Benedict Glaw
2003-08-01 5:37 ` Martin Schlemmer
2003-07-31 15:12 ` Jamie Lokier
2003-07-31 15:32 ` Jan-Benedict Glaw
2003-07-31 15:07 ` TSCs are a no-no on i386 Jamie Lokier
2003-07-31 15:23 ` Willy Tarreau
2003-07-31 15:50 ` Richard B. Johnson
2003-07-31 16:24 ` Jan-Benedict Glaw
2003-08-06 11:08 ` Pavel Machek
2003-08-06 14:33 ` Maciej W. Rozycki
2003-07-30 20:28 ` Jan-Benedict Glaw
2003-07-30 21:50 ` Petr Vandrovec
2003-07-30 23:10 ` Alan Cox [this message]
2003-07-31 15:10 ` Jamie Lokier
2003-07-31 16:01 ` Alan Cox
2003-07-31 18:37 ` Jamie Lokier
2003-07-31 19:10 ` Alan Cox
2003-07-31 6:29 ` Jan-Benedict Glaw
2003-07-30 20:27 ` Jan-Benedict Glaw
2003-08-06 16:41 James Bottomley
2003-08-06 16:45 James Bottomley
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