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From: Ulrich Drepper <drepper@redhat.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ralf Baechle <ralf@linux-mips.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	David Miller <davem@davemloft.net>,
	linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
	kernel@teksavvy.com, torvalds@linux-foundation.org,
	munroesj@linux.vnet.ibm.com
Subject: Re: 64-syscall args on 32-bit vs syscall()
Date: Mon, 15 Mar 2010 09:00:55 -0700	[thread overview]
Message-ID: <4B9E59B7.6060405@redhat.com> (raw)
In-Reply-To: <4B9E4EB1.9010800@zytor.com>

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On 03/15/2010 08:13 AM, H. Peter Anvin wrote:
> One option would be to do a libkernel.so,

No need.  Put it in the vdso.  And name it something other than syscall.
 The syscall() API is fixed, you cannot change it.

All this only if it makes sense for ALL archs.  If it cannot work for
just one arch then it's not worth it at all.

- -- 
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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  reply	other threads:[~2010-03-15 16:01 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-15  4:48 64-syscall args on 32-bit vs syscall() Benjamin Herrenschmidt
2010-03-15  4:48 ` Benjamin Herrenschmidt
2010-03-15  5:06 ` David Miller
2010-03-15  5:18   ` Benjamin Herrenschmidt
2010-03-15  5:54     ` David Miller
2010-03-15 20:22       ` Benjamin Herrenschmidt
2010-03-15 13:44     ` Ralf Baechle
2010-03-15 15:13       ` H. Peter Anvin
2010-03-15 16:00         ` Ulrich Drepper [this message]
2010-03-15 19:00           ` David Miller
2010-03-15 19:41             ` H. Peter Anvin
2010-03-15 20:35               ` Benjamin Herrenschmidt
2010-03-15 20:41                 ` H. Peter Anvin
2010-03-16 21:56                 ` Steven Munroe
2010-03-17  0:31                   ` Benjamin Herrenschmidt
2010-03-17  0:31                     ` Benjamin Herrenschmidt
2010-03-17  5:52                     ` Ulrich Drepper
2010-03-17  8:56                       ` Benjamin Herrenschmidt
2010-03-17  9:14                         ` Ulrich Drepper
2010-03-17 10:13                           ` Benjamin Herrenschmidt
2010-03-17  9:18                         ` Jamie Lokier
2010-03-17 10:18                           ` Benjamin Herrenschmidt
2010-03-17 18:30                         ` H. Peter Anvin
2010-03-17 20:35                           ` Benjamin Herrenschmidt
2010-03-17 20:53                             ` H. Peter Anvin
2010-03-17 22:58                               ` Benjamin Herrenschmidt
2010-03-17 22:58                                 ` Benjamin Herrenschmidt
2010-03-18 16:08                                 ` Steven Munroe
2010-03-18 16:21                                   ` Andreas Schwab
2010-03-18 16:21                                     ` Andreas Schwab
2010-03-18 17:03                                     ` Steven Munroe
2010-03-18 21:18                                       ` Benjamin Herrenschmidt
2010-03-19  1:22                                         ` Jamie Lokier
2010-03-15 20:27       ` Benjamin Herrenschmidt
2010-03-15 15:03 ` Steven Munroe
2010-03-15 20:32   ` Benjamin Herrenschmidt
2010-03-15 15:04 ` Jamie Lokier
2010-03-15 20:33   ` Benjamin Herrenschmidt

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