[PATCH] arm, exec: remove redundant set_fs(USER_DS)

[Mathias Krause]

On Fri, Jun 10, 2011 at 3:53 PM, Mathias Krause <minipli at googlemail.com> wrote:
> On Fri, Jun 10, 2011 at 3:48 PM, Russell King - ARM Linux
> <linux at arm.linux.org.uk> wrote:
>> On Fri, Jun 10, 2011 at 03:08:57PM +0200, Mathias Krause wrote:
>>> The address limit is already set in flush_old_exec() so this
>>> set_fs(USER_DS) is redundant.
>>
>> Please show where and how this is done.  I've looked and can't see
>> any equivalent call to set_fs() in flush_old_exec().
>
> Before dac853a (exec: delay address limit change until point of no
> return) it was done in search_binary_handler(), now it is done in
> flush_old_exec(). Either way set_fs(USER_DS) was/gets called before
> start_thread() so the call there is redundant.

Russell, any new opinion on this?

Mathias