Re: [PATCH] de_thread: Don't confuse users do_each_thread.

[ebiederm@xmission.com (Eric W. Biederman)]

Ingo Oeser <ioe-lkml@rameria.de> writes:

> Hi Eric,
>
> On Tuesday, 11. April 2006 01:16, you wrote:
>> I can't seem to send out a correct patch out today with out
>> sending it twice.  I accidently grabbed my old version
>> that sent to many arguments to detach_pid and so would not
>> compile.  Oops.
>
> While you are at it: Could you please avoid calculating current over 
> and over again? 
>
> Just calculate it once and use the task_struct pointer.
>
> If I do this for some random occurances of "current" in fs/exec.c I get this
> on Linus' latest git tree:
>
>    text    data     bss     dec     hex filename
>    9501      84      12    9597    257d old/fs/exec.o
>    9386      84      12    9482    250a new/fs/exec.o
>
> Do you see any side effects, except reduced size 
> and increased performance here?

Not that I know of.  I was cleaning up pids and signaling and wound
up in fixing de_thread.  It is just an ugly beast.

> Is a patch doing this for the whole file welcome, if you are too busy?

I could probably spare a couple of minutes to help review such a patch.
Beyond de_thread I'm to busy to write such a patch.

Eric