Re: [PATCH V2] remoteproc: core: Clear table_sz when rproc_shutdown

[Peng Fan <peng.fan@oss.nxp.com>]

On Thu, Apr 03, 2025 at 10:32:39PM +0800, Peng Fan wrote:
>Hi Bjorn,
>
>
>Thanks for replying this thread.
>
>On Wed, Apr 02, 2025 at 08:48:58AM -0500, Bjorn Andersson wrote:
>>On Wed, Apr 02, 2025 at 09:43:55AM +0800, Peng Fan wrote:
>>> On Tue, Apr 01, 2025 at 10:05:03AM -0600, Mathieu Poirier wrote:
>>> >On Tue, Apr 01, 2025 at 09:41:24AM +0800, Peng Fan wrote:
>>...
>>> >
>>> >The core is already checking if @loaded_table is valid in rproc_start(), why
>>> >can't that be used instead of adding yet another check?
>>> 
>>> Ah. I was thinking clear table_sz in rpoc_shutdown is an easy approach and
>>> could benifit others in case other platforms meet similar issue in future.
>>> 
>>
>>I like the general idea of keeping things clean and avoid leaving stale
>>data behind.
>>
>>But clearing table_sz during stop in order to hide the fact that the
>>future table_ptr will contain valid data that shouldn't be used, that's
>>just a bug waiting to show up again in the future.
>
>Agree.
>
>Do you need me to post a fix for
>commit efdde3d73ab25ce("remoteproc: core: Clear table_sz when rproc_shutdown")
>by clearing table_sz in rproc_fw_boot and rproc_detach as did in this v2?
>
>To i.MX, the above in-tree patch is ok, so all it fine, and this v2 patch
>could be dropped.
>
>But anyway, if you prefer a follow up fix, please let me know, I
>could post a patch.

Hi Bjorn, Mathieu,

 I will wait for one more week to see if any concerns or questions.
 Please raise if you have.

 If no, I suppose this thread is done and I will start my other work
 regarding rproc.

Thanks,
Peng

>
>Thanks,
>Peng
>
>>
>>Regards,
>>Bjorn
>>
>