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From: Peng Fan <peng.fan@nxp.com>
To: Mathieu Poirier <mathieu.poirier@linaro.org>,
	"bjorn.andersson@linaro.org" <bjorn.andersson@linaro.org>,
	"ohad@wizery.com" <ohad@wizery.com>
Cc: "linux-remoteproc@vger.kernel.org"
	<linux-remoteproc@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH 13/13] remoteproc: Properly deal with a kernel panic when attached
Date: Thu, 15 Oct 2020 02:28:10 +0000
Message-ID: <DB6PR0402MB27602C8FE5A6ECE7D10E419B88020@DB6PR0402MB2760.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20200826164529.224476-14-mathieu.poirier@linaro.org>

> Subject: [PATCH 13/13] remoteproc: Properly deal with a kernel panic when
> attached
> 
> The panic handler operation of registered remote processors should also be
> called when remote processors have been attached to.
> 
> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
> ---
>  drivers/remoteproc/remoteproc_core.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/remoteproc/remoteproc_core.c
> b/drivers/remoteproc/remoteproc_core.c
> index 5586582f54c5..54b5e3437ab5 100644
> --- a/drivers/remoteproc/remoteproc_core.c
> +++ b/drivers/remoteproc/remoteproc_core.c
> @@ -2491,7 +2491,11 @@ static int rproc_panic_handler(struct
> notifier_block *nb, unsigned long event,
> 
>  	rcu_read_lock();
>  	list_for_each_entry_rcu(rproc, &rproc_list, node) {
> -		if (!rproc->ops->panic || rproc->state != RPROC_RUNNING)
> +		if (!rproc->ops->panic)
> +			continue;
> +
> +		if (rproc->state != RPROC_RUNNING &&
> +		    rproc->state != RPROC_ATTACHED)
>  			continue;
> 
>  		d = rproc->ops->panic(rproc);
> --

Reviewed-by: Peng Fan <peng.fan@nxp.com>


  reply index

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-26 16:45 [PATCH 00/13] remoteproc: Add support for detaching from rproc Mathieu Poirier
2020-08-26 16:45 ` [PATCH 01/13] remoteproc: Re-check state in rproc_shutdown() Mathieu Poirier
2020-10-15  1:28   ` Peng Fan
2020-08-26 16:45 ` [PATCH 02/13] remoteproc: Remove useless check in rproc_del() Mathieu Poirier
2020-10-15  1:29   ` Peng Fan
2020-08-26 16:45 ` [PATCH 03/13] remoteproc: Add new RPROC_ATTACHED state Mathieu Poirier
2020-10-15  1:31   ` Peng Fan
2020-08-26 16:45 ` [PATCH 04/13] remoteproc: Properly represent the attached state Mathieu Poirier
2020-10-15  1:33   ` Peng Fan
2020-08-26 16:45 ` [PATCH 05/13] remoteproc: Add new detach() remoteproc operation Mathieu Poirier
2020-10-15  1:37   ` Peng Fan
2020-10-22 21:51     ` Mathieu Poirier
2020-08-26 16:45 ` [PATCH 06/13] remoteproc: Introduce function __rproc_detach() Mathieu Poirier
2020-10-15  1:39   ` Peng Fan
2020-08-26 16:45 ` [PATCH 07/13] remoteproc: Introduce function rproc_detach() Mathieu Poirier
2020-10-15  1:52   ` Peng Fan
2020-10-22 21:55     ` Mathieu Poirier
2020-08-26 16:45 ` [PATCH 08/13] remoteproc: Rename function rproc_actuate() Mathieu Poirier
2020-10-15  2:15   ` Peng Fan
2020-08-26 16:45 ` [PATCH 09/13] remoteproc: Add return value to function rproc_shutdown() Mathieu Poirier
2020-10-15  2:21   ` Peng Fan
2020-08-26 16:45 ` [PATCH 10/13] remoteproc: Properly deal with a stop request when attached Mathieu Poirier
2020-10-15  2:29   ` Peng Fan
2020-08-26 16:45 ` [PATCH 11/13] remoteproc: Properly deal with detach request Mathieu Poirier
2020-10-15  2:30   ` Peng Fan
2020-08-26 16:45 ` [PATCH 12/13] remoteproc: Refactor rproc delete and cdev release path Mathieu Poirier
2020-10-15  2:31   ` Peng Fan
2020-08-26 16:45 ` [PATCH 13/13] remoteproc: Properly deal with a kernel panic when attached Mathieu Poirier
2020-10-15  2:28   ` Peng Fan [this message]
2020-09-01 16:55 ` [PATCH 00/13] remoteproc: Add support for detaching from rproc Arnaud POULIQUEN
2020-09-01 18:02   ` Mathieu Poirier

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