From: Jamie Lokier <jamie@shareable.org>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: munroesj@us.ibm.com, 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 01:22:33 +0000 [thread overview]
Message-ID: <20100319012232.GA14108@shareable.org> (raw)
In-Reply-To: <1268947102.2335.236.camel@pasglop>
Benjamin Herrenschmidt wrote:
> 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 :-)
Or it will build, but call the old ABI version - no change to those programs.
-- Jamie
next prev parent reply other threads:[~2010-03-19 1:23 UTC|newest]
Thread overview: 34+ 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 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 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
2010-03-18 16:08 ` Steven Munroe
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 [this message]
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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