linux-kernel - Re: [PATCH v2 15/29] nios2: System calls handling

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Message-ID: <53C9198B.1020808@imgtec.com>
Date:	Fri, 18 Jul 2014 13:56:43 +0100
From:	James Hogan <james.hogan@...tec.com>
To:	Ley Foon Tan <lftan@...era.com>, <linux-arch@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>
CC:	<lftan.linux@...il.com>, <cltang@...esourcery.com>,
	Arnd <arnd@...db.de>
Subject: Re: [PATCH v2 15/29] nios2: System calls handling

Hi,

On 15/07/14 09:45, Ley Foon Tan wrote:
> This patch adds support for system calls from userspaces. It uses the
> asm-generic/unistd.h definitions with architecture spcific syscall. The sys_call_table
> is just an array defined in a C file and it contains pointers to the syscall functions.

I don't think you need the renameat syscall now that renameat2 exists.

Can I suggest preceding your patchset with this patch:
https://lkml.org/lkml/2014/4/23/197
([RFC 3/3] asm-generic: Drop renameat syscall from default list)

which drops renameat from the generic list unless __ARCH_WANT_RENAMEAT
is defined in the arch's uapi/asm/unistd.h.

Cheers
James
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