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From: David Howells <dhowells@redhat.com>
In-Reply-To: <AANLkTiltnomEArb1bPTYuNI_HpK6oN_gv-VAII9db3n8@mail.gmail.com>
References: <AANLkTiltnomEArb1bPTYuNI_HpK6oN_gv-VAII9db3n8@mail.gmail.com> <20100528165659.1e6fd136.yoshikawa.takuya@oss.ntt.co.jp>
To: Mike Frysinger <vapier.adi@gmail.com>
Cc: dhowells@redhat.com, Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>,
       akpm@linux-foundation.org, viro@zeniv.linux.org.uk,
       d.hatayama@jp.fujitsu.com, lethal@linux-sh.org,
       takuya.yoshikawa@gmail.com, linux-fsdevel@vger.kernel.org,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH] binfmt_elf_fdpic: fix clear_user() error handling
Date: Tue, 01 Jun 2010 13:29:01 +0100
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Mike Frysinger <vapier.adi@gmail.com> wrote:

> on nommu systems, this is generally not an issue because clear_user()
> is basically a memset().  but it's good to handle every case.

But FDPIC is used on MMU systems too.

David