Re: [PATCH v4 2/5] hwtracing: hisi_ptt: Add support for dynamically updating the filter list

From: Jonathan Cameron
Date: Tue Jun 06 2023 - 12:40:54 EST


On Tue, 6 Jun 2023 22:22:41 +0800
Yicong Yang <yangyicong@xxxxxxxxxx> wrote:

> From: Yicong Yang <yangyicong@xxxxxxxxxxxxx>
>
> The PCIe devices supported by the PTT trace can be removed/rescanned by
> hotplug or through sysfs. Add support for dynamically updating the
> available filter list by registering a PCI bus notifier block. Then user
> can always get latest information about available tracing filters and
> driver can block the invalid filters of which related devices no longer
> exist in the system.
>
> Signed-off-by: Yicong Yang <yangyicong@xxxxxxxxxxxxx>

You've addressed everything I raised on v3, so
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

Thanks,

Jonathan