On Wed, Jun 26, 2013 at 1:44 AM, Saket Sinha <saket.sinha89@xxxxxxxxx> wrote: > I have to port a driver from 2.6.18 to 3.8.3 > > Look at the below declaration of current > http://lxr.free-electrons.com/source/scripts/kconfig/gconf.c#L62 > Where struct menu is > http://lxr.free-electrons.com/source/scripts/kconfig/expr.h#L159 > > The above one is in kconfig while the lower one is in the kernel. So would > they be able to affect each other? I guess NO > > NOW in the driver to be ported- > current is defined as: > struct task_struct *task = current; > > but is still able to excess the field members of task_struct > http://lxr.linux.no/linux+v2.6.18/include/linux/sched.h#L767 > like > attr.ia_uid = current->uid; > attr.ia_gid = current->gid; > > though it has not been initialized or assigned or typecasted to this > task_struct. > HOW? > > I searched on the entire lxr but could not find the solution. > Kindly help. > PS: This driver is built on 2.6.28 kernel so use lxr from 2.6.18 kernel only > like > http://lxr.linux.no/linux+v2.6.18/ > > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > Hi Saket, Its arch specifc, check file http://lxr.linux.no/#linux+v2.6.18/include/asm-x86_64/current.h#L15 - Rohan _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
