On Tue, Jul 24, 2012 at 09:01:33AM -0700, K. Y. Srinivasan wrote:
> Transform ipv6 subnet information to CIDR notation.
>
> Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> Reviewed-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
> ---
> tools/hv/hv_kvp_daemon.c | 45 +++++++++++++++++++++++++++++++++++----------
> 1 files changed, 35 insertions(+), 10 deletions(-)
>
> diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
> index 2c24ebf..007e698 100644
> --- a/tools/hv/hv_kvp_daemon.c
> +++ b/tools/hv/hv_kvp_daemon.c
> @@ -491,6 +491,15 @@ done:
> return;
> }
>
> +static unsigned int hweight32(unsigned int *w)
> +{
> + unsigned int res = *w - ((*w >> 1) & 0x55555555);
> + res = (res & 0x33333333) + ((res >> 2) & 0x33333333);
> + res = (res + (res >> 4)) & 0x0F0F0F0F;
> + res = res + (res >> 8);
> + return (res + (res >> 16)) & 0x000000FF;
> +}
What's wrong with the hweight32 version we have already in
<include/asm-generic/bitops/const_hweight.h> which you can include by
simply by including <asm-generic/bitops.h>?
--
Regards/Gruss,
Boris.
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