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From: Felix von Leitner <felix-kernel@fefe.de>
To: linux-kernel@vger.kernel.org
Subject: sysenter on x86
Date: Sat, 12 Apr 2003 15:54:57 +0200	[thread overview]
Message-ID: <20030412135457.GB19869@codeblau.de> (raw)

I just added sysenter support for linux-2.5 on x86 to the diet libc, but
I noted that the original patch said user space should jump to
0xfffff000, which segfaults.  Jumping to 0xffffe000 works.

I suggest adding a comment somewhere in the kernel about the proper
calling convention, because the glibc code is frankly not readable in
this regard.

Also, I suggest adding this interface to kernel 2.4 to easy binary
compatibility.

Felix

             reply	other threads:[~2003-04-12 13:43 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-12 13:54 Felix von Leitner [this message]
2003-04-12 14:15 ` sysenter on x86 Arjan van de Ven
2003-04-14 18:14   ` H. Peter Anvin

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