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SubjectRe: [PATCH 3/6] drivers: hv: Cleanup the kvp related state in hyperv.h
On Fri, Jan 27, 2012 at 03:55:59PM -0800, K. Y. Srinivasan wrote:
> Now cleanup the hyperv.h with regards to KVP definitions.
>
> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
> include/linux/hyperv.h | 32 +++++++++++++++++++-------------
> 1 files changed, 19 insertions(+), 13 deletions(-)
>
> diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
> index 7332b3f..802ece8 100644
> --- a/include/linux/hyperv.h
> +++ b/include/linux/hyperv.h
> @@ -137,7 +137,6 @@ struct hv_ku_msg {
>
>
>
> -#ifdef __KERNEL__
>
> /*
> * Registry value types.
> @@ -162,29 +161,36 @@ enum hv_kvp_exchg_pool {
> KVP_POOL_COUNT /* Number of pools, must be last. */
> };
>
> +#ifndef __packed
> +#define __packed __attribute__((packed))
> +#endif

Why do this?

If you are so worried about this in userspace, then just change the
values below to __attribute__((packed)), like all of the other public .h
files do.

thanks,

greg k-h


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