Messages in this thread | | | Date | Mon, 24 Mar 2014 11:43:48 -0400 | From | Richard Guy Briggs <> | Subject | Re: [PATCH] Change task_struct->comm to use RCU. |
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On 14/03/12, James Morris wrote: > On Tue, 11 Mar 2014, Tetsuo Handa wrote: > > And the same phrase goes to James Morris... > > > > If you are sure that it is safe to use get_task_comm() from > > dump_common_audit_data() and you prefer locked version, please pick up below > > patch via your git tree. > > > > If you are unsure or prefer lockless version, I'll make a lockless version > > using do_get_task_comm() proposed in this thread. > > If you can't understand whether your patch is correct or not, don't ask me > to apply it to my tree. > > If you're unsure, get it reviewed first.
I looked at the calling function tree back a number of steps and didn't see any other evidence of task locks held, so I'm comfortable with this patch and would prefer it to either memcpy() or do_get_task_comm(), but would still like to get an opinion from others.
> - James
- RGB
-- Richard Guy Briggs <rbriggs@redhat.com> Senior Software Engineer, Kernel Security, AMER ENG Base Operating Systems, Red Hat Remote, Ottawa, Canada Voice: +1.647.777.2635, Internal: (81) 32635, Alt: +1.613.693.0684x3545
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