linux-kernel - Re: [PATCH 1/6] rpmsg: glink: Extract tx kick operation

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <89a1721a-d364-6ad9-a817-91ac654fd1cc@quicinc.com>
Date:   Tue, 24 Jan 2023 22:34:45 -0800
From:   Chris Lew <quic_clew@...cinc.com>
To:     Bjorn Andersson <quic_bjorande@...cinc.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>
CC:     <linux-arm-msm@...r.kernel.org>,
        <linux-remoteproc@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/6] rpmsg: glink: Extract tx kick operation



On 1/9/2023 2:39 PM, Bjorn Andersson wrote:
> Refactor out the tx kick operations to its own function, in preparation
> for pushing the details to the individual transports.
> 
> Signed-off-by: Bjorn Andersson <quic_bjorande@...cinc.com>
> ---

Reviewed-by: Chris Lew <quic_clew@...cinc.com>

>   drivers/rpmsg/qcom_glink_native.c | 17 +++++++++--------
>   1 file changed, 9 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c
> index 115c0a1eddb1..5fd8b70271b7 100644
> --- a/drivers/rpmsg/qcom_glink_native.c
> +++ b/drivers/rpmsg/qcom_glink_native.c
> @@ -303,6 +303,12 @@ static void qcom_glink_tx_write(struct qcom_glink *glink,
>   	glink->tx_pipe->write(glink->tx_pipe, hdr, hlen, data, dlen);
>   }
>   
> +static void qcom_glink_tx_kick(struct qcom_glink *glink)
> +{
> +	mbox_send_message(glink->mbox_chan, NULL);
> +	mbox_client_txdone(glink->mbox_chan, 0);
> +}
> +
>   static void qcom_glink_send_read_notify(struct qcom_glink *glink)
>   {
>   	struct glink_msg msg;
> @@ -313,8 +319,7 @@ static void qcom_glink_send_read_notify(struct qcom_glink *glink)
>   
>   	qcom_glink_tx_write(glink, &msg, sizeof(msg), NULL, 0);
>   
> -	mbox_send_message(glink->mbox_chan, NULL);
> -	mbox_client_txdone(glink->mbox_chan, 0);
> +	qcom_glink_tx_kick(glink);
>   }
>   
>   static int qcom_glink_tx(struct qcom_glink *glink,
> @@ -355,9 +360,7 @@ static int qcom_glink_tx(struct qcom_glink *glink,
>   	}
>   
>   	qcom_glink_tx_write(glink, hdr, hlen, data, dlen);
> -
> -	mbox_send_message(glink->mbox_chan, NULL);
> -	mbox_client_txdone(glink->mbox_chan, 0);
> +	qcom_glink_tx_kick(glink);
>   
>   out:
>   	spin_unlock_irqrestore(&glink->tx_lock, flags);
> @@ -1046,9 +1049,7 @@ static irqreturn_t qcom_glink_native_intr(int irq, void *data)
>   			break;
>   		case RPM_CMD_READ_NOTIF:
>   			qcom_glink_rx_advance(glink, ALIGN(sizeof(msg), 8));
> -
> -			mbox_send_message(glink->mbox_chan, NULL);
> -			mbox_client_txdone(glink->mbox_chan, 0);
> +			qcom_glink_tx_kick(glink);
>   			break;
>   		case RPM_CMD_INTENT:
>   			qcom_glink_handle_intent(glink, param1, param2, avail);