Reviewed-by: Angus Salkeld <[email protected]>

On Mon, Jan 03, 2011 at 04:40:55PM -0700, Steven Dake wrote:
> Align all ipc messages on 8 byte boundaries.  This alignment will remove bus
> errors on systems that can't access non-byte aligned data and should improve
> performance.
> 
> Signed-off-by: Steven Dake <[email protected]>
> ---
>  exec/coroipcs.c |    2 +-
>  lib/coroipcc.c  |    4 +++-
>  2 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/exec/coroipcs.c b/exec/coroipcs.c
> index 703802a..9b88cab 100644
> --- a/exec/coroipcs.c
> +++ b/exec/coroipcs.c
> @@ -1240,7 +1240,7 @@ static void memcpy_dwrap (struct conn_info *conn_info, 
> void *msg, unsigned int l
>       write_idx = conn_info->control_buffer->write;
>  
>       memcpy (&conn_info->dispatch_buffer[write_idx], msg, len);
> -     conn_info->control_buffer->write = (write_idx + len) % 
> conn_info->dispatch_size;
> +     conn_info->control_buffer->write = ((write_idx + len + 7) & 
> 0xFFFFFFFF8) % conn_info->dispatch_size;
>  }
>  
>  static void msg_send (void *conn, const struct iovec *iov, unsigned int 
> iov_len,
> diff --git a/lib/coroipcc.c b/lib/coroipcc.c
> index bbeb95f..c5196a6 100644
> --- a/lib/coroipcc.c
> +++ b/lib/coroipcc.c
> @@ -932,7 +932,9 @@ retry_ipc_sem_wait:
>       read_idx = ipc_instance->control_buffer->read;
>       header = (coroipc_response_header_t *) &addr[read_idx];
>       ipc_instance->control_buffer->read =
> -             (read_idx + header->size) % ipc_instance->dispatch_size;
> +             ((read_idx + header->size + 7) & 0xFFFFFFF8) %
> +                     ipc_instance->dispatch_size;
> +
>       /*
>        * Put from dispatch get and also from this call's get
>        */
> -- 
> 1.7.2.3
> 
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