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

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Message-ID: <CAFiDJ59Aj9Hdp3C9d-2XhUdCGVwn9aYm2yY=sUHDCZFCv8XhOw@mail.gmail.com>
Date:	Mon, 21 Jul 2014 19:17:42 +0800
From:	Ley Foon Tan <lftan@...era.com>
To:	James Hogan <james.hogan@...tec.com>
Cc:	Linux-Arch <linux-arch@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	Chung-Lin Tang <cltang@...esourcery.com>, Arnd <arnd@...db.de>
Subject: Re: [PATCH v2 15/29] nios2: System calls handling

On Fri, Jul 18, 2014 at 8:56 PM, James Hogan <james.hogan@...tec.com> wrote:
> 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.
Yes, we don't need renameat syscall. Will add this patch.

Thanks.

Regards
Ley Foon
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