From: David Miller <davem@davemloft.net>
To: drepper@redhat.com
Cc: hpa@zytor.com, ralf@linux-mips.org, benh@kernel.crashing.org,
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 12:00:04 -0700 (PDT) [thread overview]
Message-ID: <20100315.120004.209998642.davem@davemloft.net> (raw)
In-Reply-To: <4B9E59B7.6060405@redhat.com>
From: Ulrich Drepper <drepper@redhat.com>
Date: Mon, 15 Mar 2010 09:00:55 -0700
> 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.
There are many archs that still lack VDSO.
next prev parent reply other threads:[~2010-03-15 18:59 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
2010-03-15 19:00 ` David Miller [this message]
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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