Re: [PATCH -rt 2/2] arm update

[Nicolas Pitre <nico@cam.org>]

On Thu, 18 May 2006, Daniel Walker wrote:

> On Thu, 2006-05-18 at 09:53 -0400, Nicolas Pitre wrote:
> > >  - adds a new NR_syscalls macro, converts the old one into __NR_syscalls for
> > >    calculating the table padding .
> > 
> > Why?
> > 
> 
> > And no NR_syscalls definition should be present in asm-arm/unistd.h at 
> > all.
> > 
> 
> Right , it's not normally needed .. In RT we size an array by
> NR_syscalls for latency tracing (kernel/latency.c) . So we need some way
> to determine the the number of syscalls .. Do you know of another way we
> can get that number of syscalls on ARM ? 

Just do the same as in entry-common.S: define the CALL() macro and 
include calls.S.

Or declare a global variable in entry-common.S and assign it the 
NR_syscalls value.


Nicolas