On Fri, Dec 27, 2013 at 02:14:24PM -0800, H.J. Lu wrote:
> Both x32 and x86-64 use the same struct mq_attr for system calls. But
> x32 long is 32-bit. This patch replaces long with __kernel_long_t in
> struct mq_attr.
>
> Signed-off-by: H.J. Lu <hjl.to...@gmail.com>
> ---
> include/uapi/linux/mqueue.h | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/include/uapi/linux/mqueue.h b/include/uapi/linux/mqueue.h
> index 8b5a796..d0a2b8e 100644
> --- a/include/uapi/linux/mqueue.h
> +++ b/include/uapi/linux/mqueue.h
> @@ -23,11 +23,11 @@
> #define MQ_BYTES_MAX 819200
>
> struct mq_attr {
> - long mq_flags; /* message queue flags */
> - long mq_maxmsg; /* maximum number of messages */
> - long mq_msgsize; /* maximum message size */
> - long mq_curmsgs; /* number of messages currently queued */
> - long __reserved[4]; /* ignored for input, zeroed for output */
> + __kernel_long_t mq_flags; /* message queue flags
> */
> + __kernel_long_t mq_maxmsg; /* maximum number of messages
> */
> + __kernel_long_t mq_msgsize; /* maximum message size
> */
> + __kernel_long_t mq_curmsgs; /* number of messages currently queued
> */
> + __kernel_long_t __reserved[4]; /* ignored for input, zeroed for output
> */
> };
>
> /*This breaks userspace, please #include <linux/types.h> before using __kernel_long_t. -- ldv
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