Message-ID: <43CF2CA3.5020001@redhat.com>
Date: Wed, 18 Jan 2006 22:07:31 -0800
From: Ulrich Drepper <drepper@redhat.com>
Organization: Red Hat, Inc.
User-Agent: Thunderbird 1.5 (X11/20060112)
MIME-Version: 1.0
To: Nicholas Miell <nmiell@comcast.net>
CC: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] prototypes for *at functions & typo fix
References: <200601190429.k0J4TWXD018136@devserv.devel.redhat.com>	 <20060118203733.5aac5ee4.akpm@osdl.org> <1137646586.2842.6.camel@entropy>
In-Reply-To: <1137646586.2842.6.camel@entropy>
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Nicholas Miell wrote:
> AMD64 renumbered all the syscalls for optimal cacheline usage or
> something stupid like that. I suppose the x86 emulation on AMD64 kernel=
s
> could share the i386 table, but then _NR_foo will have a different valu=
e
> depending on context, and that'll just get confusing.

Yes, the syscall numbers are quite different, especially because x86 has
all syscalls, even the obsolete ones.

But what I mean is that the __NR_ia32_* macros in
asm-x86-64/ia32_unistd.h aren't used anywhere in the kernel.  And in
userland the asm-x86/unistd.h file is used when compiling x86 apps.  At
least this is how the kernel headers for userlevel use should be set up.

--=20
=E2=9E=A7 Ulrich Drepper =E2=9E=A7 Red Hat, Inc. =E2=9E=A7 444 Castro St =
=E2=9E=A7 Mountain View, CA =E2=9D=96


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