Re: [REGRESSION][PATCH V4 1/3] bpf jit: Make thefilter.c::__load_pointer helper non-static for the jits

From: Eric Dumazet
Date: Fri Mar 30 2012 - 14:56:52 EST


On Fri, 2012-03-30 at 17:08 +0200, Jan Seiffert wrote:
> The function is renamed to make it a little more clear what it does.
> It is not added to any .h because it is not for general consumption, only for
> bpf internal use (and so by the jits).
>
> Signed-of-by: Jan Seiffert <kaffeemonster@xxxxxxxxxxxxxx>
>

Missing "---" line separator (check Documentation/SubmittingPatches line
490)

You can check http://patchwork.ozlabs.org/patch/149683/ and see there is
a problem, compared to http://patchwork.ozlabs.org/patch/149441/ for
example

> --- a/net/core/filter.c
> +++ b/net/core/filter.c
> @@ -40,8 +40,12 @@
> #include <linux/reciprocal_div.h>
> #include <linux/ratelimit.h>
>
> -/* No hurry in this branch */
> -static void *__load_pointer(const struct sk_buff *skb, int k, unsigned int size)
> +/*
> + * No hurry in this branch
> + *
> + * Exported for the bpf jit load helper.
> + */

Seems good to me, maybe add a strong warning in the comment to say that
function prototype can NOT change without major surgery in ASM files,
since assembler wont catch the prototype change for us.

Acked-by: Eric Dumazet <eric.dumazet@xxxxxxxxx>



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