linux-kernel - Re: [PATCH 1/3] remoteproc: core: Add coredump to remoteproc ops

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] [day] [month] [year] [list]

Message-ID: <20200810225446.GG3223977@xps15>
Date:   Mon, 10 Aug 2020 16:54:46 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     Gurbir Arora <gurbaror@...eaurora.org>
Cc:     linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org,
        bjorn.andersson@...aro.org, tsoni@...eaurora.org,
        psodagud@...eaurora.org, sidgup@...eaurora.org,
        rishabhb@...eaurora.org
Subject: Re: [PATCH 1/3] remoteproc: core: Add coredump to remoteproc ops

On Fri, Aug 07, 2020 at 04:31:59PM -0700, Gurbir Arora wrote:
> Each remoteproc might have different requirements for coredumps and might
> want to choose the type of dumps it wants to collect. This change allows
> remoteproc drivers to specify their own custom dump function to be executed
> in place of rproc_coredump. If the coredump op is not specified by the
> remoteproc driver it will be set to rproc_coredump by default.
> 
> Signed-off-by: Rishabh Bhatnagar <rishabhb@...eaurora.org>
> Signed-off-by: Siddharth Gupta <sidgup@...eaurora.org>
> Signed-off-by: Gurbir Arora <gurbaror@...eaurora.org>
> ---
>  drivers/remoteproc/remoteproc_core.c | 6 +++++-
>  include/linux/remoteproc.h           | 1 +
>  2 files changed, 6 insertions(+), 1 deletion(-)

This is not the patch Siddharth sent.

Please fix it problem along with the 3 kernel test robot warnings this set has
generated and send again after 5.9-rc1 has been released.

Thanks,
Mathieu

> 
> diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
> index 7f90eee..283ecb6 100644
> --- a/drivers/remoteproc/remoteproc_core.c
> +++ b/drivers/remoteproc/remoteproc_core.c
> @@ -1681,7 +1681,7 @@ int rproc_trigger_recovery(struct rproc *rproc)
>  		goto unlock_mutex;
>  
>  	/* generate coredump */
> -	rproc_coredump(rproc);
> +	rproc->ops->coredump(rproc);
>  
>  	/* load firmware */
>  	ret = request_firmware(&firmware_p, rproc->firmware, dev);
> @@ -2113,6 +2113,10 @@ static int rproc_alloc_ops(struct rproc *rproc, const struct rproc_ops *ops)
>  	rproc->ops->sanity_check = rproc_elf_sanity_check;
>  	rproc->ops->get_boot_addr = rproc_elf_get_boot_addr;
>  
> +	/* Default to rproc_coredump if no coredump functions is specified */
> +	if (!rproc->ops->coredump)
> +		rproc->ops->coredump = rproc_coredump;
> +
>  	return 0;
>  }
>  
> diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
> index 2fa68bf..0ed1a2b 100644
> --- a/include/linux/remoteproc.h
> +++ b/include/linux/remoteproc.h
> @@ -392,6 +392,7 @@ struct rproc_ops {
>  	int (*load)(struct rproc *rproc, const struct firmware *fw);
>  	int (*sanity_check)(struct rproc *rproc, const struct firmware *fw);
>  	u64 (*get_boot_addr)(struct rproc *rproc, const struct firmware *fw);
> +	void (*coredump)(struct rproc *rproc);
>  	unsigned long (*panic)(struct rproc *rproc);
>  };
>  
> -- 
> 1.9.1
>