Matteo Pillon wrote: > Hi all, > > I had troubles getting lirc modules working on openvz kernel: lirc_dev > needs find_task_by_pid (modprobe lirc_dev returns an unresolved > symbol). > On a vanilla kernel this is defined as a macro: > #define find_task_by_pid(nr) find_task_by_pid_type(PIDTYPE_PID, nr) > On openvz kernel (I'm running 2.6.16-026test017), this macro has been > removed, I can only find: > #define find_task_by_pid_all(nr) \ > find_task_by_pid_type_all(PIDTYPE_PID, nr) > Why find_task_by_pid has been removed? In which ways > find_task_by_pid_all differs? > find_task_by_pid_all() seeks among all tasks on HW find_task_by_pid_ve() seeks among all task in VE The reason of appearance of these functions in OpenVZ environment is clear, I suppose. > I tried replacing find_task_by_pid(ir->tpid) in lirc source-code with > find_task_by_pid_type(PIDTYPE_PID, ir->tpid), and it works flawlessly. > Better way is to use find_task_by_pid_all() or find_task_by_pid_ve(). What particular function to use depends on context. > Does this have any drawback? If not, why not reincluding > find_task_by_pid into the kernel to keep compatibility? > > > Thanks for replies. > > Bye. > > HTH, vass
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