File-system driver issue

[Saket Sinha]

What I meant to ask was something like
http://lxr.linux.no/linux+v2.6.18/arch/sh/kernel/entry.S#L106

is not present in 3.8.3 kernel. Is it ?


On Wed, Jun 26, 2013 at 11:10 AM, Rohan Puri <rohan.puri15 at gmail.com> wrote:

> On Wed, Jun 26, 2013 at 10:32 AM, Saket Sinha <saket.sinha89 at gmail.com>
> wrote:
> > Can you help me find the equivalent entry(I mean arch-specific
> definition)
> > of current in 3.8.3 kernel which I think is missing.
> > I think because of all this I am getting some strange warnings and error.
> >
> >
> > On Wed, Jun 26, 2013 at 10:28 AM, Rohan Puri <rohan.puri15 at gmail.com>
> wrote:
> >>
> >> On Wed, Jun 26, 2013 at 1:44 AM, Saket Sinha <saket.sinha89 at gmail.com>
> >> 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 at kernelnewbies.org
> >> > 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 at kernelnewbies.org
> > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
> >
>
> For 3.8.3 its here :
> http://lxr.linux.no/#linux+v3.8.3/arch/x86/include/asm/current.h#L17
>
> - Rohan
>
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