[PATCH] add smp_call_function_map and smp_call_function_single

[Michael Ellerman]

On Wed, 2007-05-02 at 12:12 -0500, Will Schmidt wrote:
> Add a new function named smp_call_function_single().  This matches a generic
> prototype from include/linux/smp.h.
> 
> Add a function smp_call_function_map().  This is, for the most part, a rename
> of smp_call_function, with some added cpumask support.  smp_call_function and
> smp_call_function_single call into smp_call_function_map.
> 
> Lightly tested on 970mp (blade), power4 and power5.
> 
> Signed-off-by: Will Schmidt <will_schmidt at vnet.ibm.com>
> cc: Anton Blanchard <anton at samba.org>
> ---
> 
>  arch/powerpc/kernel/smp.c |   73 ++++++++++++++++++++++++++++++++-------------
>  1 files changed, 52 insertions(+), 21 deletions(-)
> 
> diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
> index 924d692..4878588 100644
> --- a/arch/powerpc/kernel/smp.c
> +++ b/arch/powerpc/kernel/smp.c
> @@ -176,10 +176,10 @@ static struct call_data_struct {
>  #define SMP_CALL_TIMEOUT	8
>  
>  /*
> - * This function sends a 'generic call function' IPI to all other CPUs
> - * in the system.
> + * These functions send a 'generic call function' IPI to other online
> + * CPUS in the system.
>   *
> - * [SUMMARY] Run a function on all other CPUs.
> + * [SUMMARY] Run a function on other CPUs.
>   * <func> The function to run. This must be fast and non-blocking.
>   * <info> An arbitrary pointer to pass to the function.
>   * <nonatomic> currently unused.

While you're there, or as a separate patch, can you fix up this
not-quite-kernel-doc commenting?

cheers

-- 
Michael Ellerman
OzLabs, IBM Australia Development Lab

wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person
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