linux-kernel - Re: [RFC] Heads up on sys

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Message-ID: <20070301224137.GA11276@kryten>
Date:	Thu, 1 Mar 2007 16:41:37 -0600
From:	Anton Blanchard <anton@...ba.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"Amit K. Arora" <aarora@...ux.vnet.ibm.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-ext4@...r.kernel.org, suparna@...ibm.com, cmm@...ibm.com,
	alex@...sterfs.com, suzuki@...ibm.com,
	Ulrich Drepper <drepper@...hat.com>
Subject: Re: [RFC] Heads up on sys_fallocate()


> That new argument might need to come after "fd" - ARM has funny
> requirements on syscall arg padding and layout.

FYI the 32bit ppc ABI does too, from arch/powerpc/kernel/sys_ppc32.c:

/*
 * long long munging:
 * The 32 bit ABI passes long longs in an odd even register pair.
 */

and the first argument in a function call is in r3.

Anton
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