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SubjectRe: [Outreachy kernel] [PATCH] Staging: ccree: Don't use volatile for monitor_lock


On Mon, 11 Sep 2017, Srishti Sharma wrote:

> The use of volatile for the variable monitor_lock is unnecessary.

You need to give more evidence of why this is the case. How is the
variable used? I guess this comes from checkpatch, but checkpatch has
only a local view of things, and doesn't know how the variable is used.

julia

>
> Signed-off-by: Srishti Sharma <srishtishar@gmail.com>
> ---
> drivers/staging/ccree/ssi_request_mgr.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/ccree/ssi_request_mgr.c b/drivers/staging/ccree/ssi_request_mgr.c
> index e5c2f92..7d77941 100644
> --- a/drivers/staging/ccree/ssi_request_mgr.c
> +++ b/drivers/staging/ccree/ssi_request_mgr.c
> @@ -49,7 +49,7 @@ struct ssi_request_mgr_handle {
> dma_addr_t dummy_comp_buff_dma;
> struct cc_hw_desc monitor_desc;
>
> - volatile unsigned long monitor_lock;
> + unsigned long monitor_lock;
> #ifdef COMP_IN_WQ
> struct workqueue_struct *workq;
> struct delayed_work compwork;
> --
> 2.7.4
>
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