On Tue, Feb 13, 2007 at 11:18:57AM +0530, Srivatsa Vaddagiri wrote: > Which make me wonder why we need task_lock() at all ..I can understand > the need for a lock like that if we are reading/updating multiple words > in task_struct under the lock. In this case, it is used to read/write > just one pointer, isnt it? I think it can be eliminated all-together > with the use of RCU.
I see that cpuset.c uses task_lock to read/write multiple words (cpuset_update_task_memory_state) ..So yes it is necessary in attach_task() .. -- Regards, vatsa ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier. Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ ckrm-tech mailing list https://lists.sourceforge.net/lists/listinfo/ckrm-tech
