Re: [PATCH 2/4] Add NR_syscalls for x86_64

[Steven Rostedt]

On Tue, 25 Aug 2009, Frederic Weisbecker wrote:

> On Mon, Aug 24, 2009 at 05:40:18PM -0400, Jason Baron wrote:
> > Add a dynamic definition of NR_syscalls for x86_64. This is used in the 
> > syscall events tracing code.
> > 
> > Signed-off-by: Jason Baron <jbaron@xxxxxxxxxx>
> > 
> > ---
> >  include/linux/ftrace.h |    5 +++++
> >  1 files changed, 5 insertions(+), 0 deletions(-)
> > 
> > diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
> > index dc3b132..3bd94ee 100644
> > --- a/include/linux/ftrace.h
> > +++ b/include/linux/ftrace.h
> > @@ -14,6 +14,11 @@
> >  
> >  #include <asm/ftrace.h>
> >  
> > +#ifdef CONFIG_X86_64
> > +#include <asm/asm-offsets.h>
> > +#define NR_syscalls (__NR_syscall_max + 1)
> > +#endif
> > +
> 
> 
> I'd rather see this in arch/x86/include/unistd_64.h, since
> NR_syscalls seems to be the defined in unistd.h in all archs.
> 
> That also makes a unified way to retrieve this number for
> other users.
> 

Yes, NR_syscalls should be included there.

-- Steve

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