Re: [PATCH -next v2] platform/surface: aggregator: Use list_move_tail instead of list_del/list_add_tail in ssh_packet_layer.c

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Hi,

On 6/9/21 9:24 AM, Baokun Li wrote:
> Using list_move_tail() instead of list_del() + list_add_tail() in ssh_packet_layer.c.
> 
> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
> Signed-off-by: Baokun Li <libaokun1@xxxxxxxxxx>

Thank you for your patch, I've applied this patch to my review-hans 
branch:
https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans

Note it will show up in my review-hans branch once I've pushed my
local branch there, which might take a while.

Once I've run some tests on this branch the patches there will be
added to the platform-drivers-x86/for-next branch and eventually
will be included in the pdx86 pull-request to Linus for the next
merge-window.

Regards,

Hans



> ---
> V1->V2:
> 	CC mailist
> 
>  .../surface/aggregator/ssh_packet_layer.c  | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/platform/surface/aggregator/ssh_packet_layer.c b/drivers/platform/surface/aggregator/ssh_packet_layer.c
> index 15d96eac6811..2f546ad11c4e 100644
> --- a/drivers/platform/surface/aggregator/ssh_packet_layer.c
> +++ b/drivers/platform/surface/aggregator/ssh_packet_layer.c
> @@ -1567,9 +1567,7 @@ static void ssh_ptl_timeout_reap(struct work_struct *work)
>  		clear_bit(SSH_PACKET_SF_PENDING_BIT, &p->state);
>  
>  		atomic_dec(&ptl->pending.count);
> -		list_del(&p->pending_node);
> -
> -		list_add_tail(&p->pending_node, &claimed);
> +		list_move_tail(&p->pending_node, &claimed);
>  	}
>  
>  	spin_unlock(&ptl->pending.lock);
> @@ -1957,8 +1955,7 @@ void ssh_ptl_shutdown(struct ssh_ptl *ptl)
>  		smp_mb__before_atomic();
>  		clear_bit(SSH_PACKET_SF_QUEUED_BIT, &p->state);
>  
> -		list_del(&p->queue_node);
> -		list_add_tail(&p->queue_node, &complete_q);
> +		list_move_tail(&p->queue_node, &complete_q);
>  	}
>  	spin_unlock(&ptl->queue.lock);
>  
> @@ -1970,8 +1967,7 @@ void ssh_ptl_shutdown(struct ssh_ptl *ptl)
>  		smp_mb__before_atomic();
>  		clear_bit(SSH_PACKET_SF_PENDING_BIT, &p->state);
>  
> -		list_del(&p->pending_node);
> -		list_add_tail(&p->pending_node, &complete_q);
> +		list_move_tail(&p->pending_node, &complete_q);
>  	}
>  	atomic_set(&ptl->pending.count, 0);
>  	spin_unlock(&ptl->pending.lock);
> 




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