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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: munroesj@us.ibm.com
Cc: Andreas Schwab <schwab@redhat.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Ulrich Drepper <drepper@redhat.com>,
	David Miller <davem@davemloft.net>,
	ralf@linux-mips.org, linux-arch@vger.kernel.org,
	linux-kernel@vger.kernel.org, kernel@teksavvy.com,
	torvalds@linux-foundation.org
Subject: Re: 64-syscall args on 32-bit vs syscall()
Date: Fri, 19 Mar 2010 08:18:22 +1100	[thread overview]
Message-ID: <1268947102.2335.236.camel@pasglop> (raw)
In-Reply-To: <1268931823.19726.127.camel@spokane1.rchland.ibm.com>

On Thu, 2010-03-18 at 12:03 -0500, Steven Munroe wrote:
> Sorry in and long are compatible in 32-bit but not long long.
> 
> int and long are not compatible in 64-bit
> 
> It is hard the keep all the nodes and arguments straight.
> 
> But the concern about changing the prototype and are people actually
> using the prototype are still valid.

Well, using the macro trick instead would fix that problem, code
wouldn't build if it doesn't include unistd.h :-)

Cheers,
Ben.

  reply	other threads:[~2010-03-18 21:19 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
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 [this message]
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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