From: Steven Rostedt <rostedt@goodmis.org>
To: "linux-os (Dick Johnson)" <linux-os@analogic.com>
Cc: Coywolf Qi Hunt <coywolf@gmail.com>,
7eggert@gmx.de, Ukil a <ukil_a@yahoo.com>,
linux-kernel@vger.kernel.org
Subject: Re: Need help in understanding x86 syscall
Date: Thu, 11 Aug 2005 13:33:59 -0400 [thread overview]
Message-ID: <1123781639.17269.83.camel@localhost.localdomain> (raw)
In-Reply-To: <1123781187.17269.77.camel@localhost.localdomain>
On Thu, 2005-08-11 at 13:26 -0400, Steven Rostedt wrote:
> 288fb seems to use "int 0x80" and so do all the other system calls that
> I inspected.
I expect that if I had a Gentoo system that I compiled for my machine,
this would be different. But I suspect that Debian still wants to run on
my old Pentium 75MHz laptop. How would libc know to use sysenter
instead of int 0x80. It could do a test of the system, but would there
be an if statement for every system call then? I guess that libc needs
to be compiled either to use it or not. Since there are still several
machines out there that don't have this feature, it would be safer to
not use it.
-- Steve
next prev parent reply other threads:[~2005-08-11 17:36 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4Ae73-6Mm-5@gated-at.bofh.it>
2005-08-11 13:41 ` Bodo Eggert
2005-08-11 14:04 ` linux-os (Dick Johnson)
2005-08-11 14:31 ` Steven Rostedt
2005-08-11 15:13 ` Coywolf Qi Hunt
2005-08-11 15:22 ` Steven Rostedt
2005-08-11 15:28 ` linux-os (Dick Johnson)
2005-08-11 15:51 ` Steven Rostedt
2005-08-11 16:19 ` Steven Rostedt
2005-08-11 16:31 ` Coywolf Qi Hunt
2005-08-11 16:59 ` Coywolf Qi Hunt
2005-08-11 17:10 ` linux-os (Dick Johnson)
2005-08-11 17:26 ` Steven Rostedt
2005-08-11 17:33 ` Steven Rostedt [this message]
2005-08-11 17:57 ` linux-os (Dick Johnson)
2005-08-11 17:59 ` Zachary Amsden
2005-08-11 18:17 ` Steven Rostedt
2005-08-11 19:58 ` Zachary Amsden
2005-08-11 20:04 ` Steven Rostedt
2005-08-12 19:30 ` Jan Engelhardt
2005-08-11 17:46 ` linux-os (Dick Johnson)
2005-08-11 18:11 ` Steven Rostedt
2005-08-11 18:21 ` linux-os (Dick Johnson)
2005-08-11 19:00 ` Steven Rostedt
2005-08-11 20:39 ` Zwane Mwaikambo
2005-08-12 11:29 ` Bodo Eggert
2005-08-11 17:18 ` Steven Rostedt
2005-08-12 5:04 ` Jeff Carr
2005-08-12 5:30 ` Coywolf Qi Hunt
2005-08-12 10:34 ` Steven Rostedt
2005-08-12 10:40 ` Steven Rostedt
2005-08-11 14:05 ` Steven Rostedt
2005-08-11 23:25 ` Bodo Eggert
2005-08-11 5:39 Ukil a
2005-08-11 13:54 ` Steven Rostedt
2005-08-11 15:52 ` Zachary Amsden
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