[RFC] [PATCH] task_pt_regs for powerpc systems
Benjamin Herrenschmidt
benh at kernel.crashing.org
Mon Jul 14 19:06:57 EST 2008
On Mon, 2008-07-14 at 14:01 +0530, Srinivasa D S wrote:
> On Monday 14 July 2008 04:02:41 am Paul Mackerras wrote:
> > > Below attached patch defines this macro for powerpc arch. Please let
> > > me know your comments on this.
> > >
> > > +#define task_pt_regs(tsk) ((struct pt_regs *)(tsk)->thread.regs)
> >
> > The cast is unnecessary since tsk->thread.regs is already a struct
> > pt_regs *.
>
> True.
>
> > Also note that tsk->thread.regs will be NULL for a kernel
> > thread.
>
> Yes, users of task_pt_regs will verify for NULL. Updated patch attached
> below.
>
> Signed-off-by: Srinivasa DS <srinivasa at in.ibm.com>
Can you send a cleanup patch against powerpc.git instead ?
Thanks !
Ben
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