Re: [PATCH v2 07/15] cxgb4: use new module_firmware_crashed()

From: Rafael Aquini
Date: Sat May 16 2020 - 00:09:43 EST


On Fri, May 15, 2020 at 09:28:38PM +0000, Luis Chamberlain wrote:
> This makes use of the new module_firmware_crashed() to help
> annotate when firmware for device drivers crash. When firmware
> crashes devices can sometimes become unresponsive, and recovery
> sometimes requires a driver unload / reload and in the worst cases
> a reboot.
>
> Using a taint flag allows us to annotate when this happens clearly.
>
> Cc: Vishal Kulkarni <vishal@xxxxxxxxxxx>
> Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
> ---
> drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
> index a70018f067aa..c67fc86c0e42 100644
> --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
> +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
> @@ -3646,6 +3646,7 @@ void t4_fatal_err(struct adapter *adap)
> * could be exposed to the adapter. RDMA MWs for example...
> */
> t4_shutdown_adapter(adap);
> + module_firmware_crashed();
> for_each_port(adap, port) {
> struct net_device *dev = adap->port[port];
>
> --
> 2.26.2
>
Acked-by: Rafael Aquini <aquini@xxxxxxxxxx>