Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Sat, 16 May 2020 00:10:55 -0400
From:   Rafael Aquini <aquini@redhat.com>
To:     Luis Chamberlain <mcgrof@kernel.org>
Cc:     jeyu@kernel.org, akpm@linux-foundation.org, arnd@arndb.de,
        rostedt@goodmis.org, mingo@redhat.com, cai@lca.pw,
        dyoung@redhat.com, bhe@redhat.com, peterz@infradead.org,
        tglx@linutronix.de, gpiccoli@canonical.com, pmladek@suse.com,
        tiwai@suse.de, schlad@suse.de, andriy.shevchenko@linux.intel.com,
        keescook@chromium.org, daniel.vetter@ffwll.ch, will@kernel.org,
        mchehab+samsung@kernel.org, kvalo@codeaurora.org,
        davem@davemloft.net, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org, Alex Elder <elder@kernel.org>
Subject: Re: [PATCH v2 10/15] soc: qcom: ipa: use new
 module_firmware_crashed()
Message-ID: <20200516041055.GJ3182@x1-fbsd>
References: <20200515212846.1347-1-mcgrof@kernel.org>
 <20200515212846.1347-11-mcgrof@kernel.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20200515212846.1347-11-mcgrof@kernel.org>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Fri, May 15, 2020 at 09:28:41PM +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: Alex Elder <elder@kernel.org>
> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
> ---
>  drivers/net/ipa/ipa_modem.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/ipa/ipa_modem.c b/drivers/net/ipa/ipa_modem.c
> index ed10818dd99f..1790b87446ed 100644
> --- a/drivers/net/ipa/ipa_modem.c
> +++ b/drivers/net/ipa/ipa_modem.c
> @@ -285,6 +285,7 @@ static void ipa_modem_crashed(struct ipa *ipa)
>  	struct device *dev = &ipa->pdev->dev;
>  	int ret;
>  
> +	module_firmware_crashed();
>  	ipa_endpoint_modem_pause_all(ipa, true);
>  
>  	ipa_endpoint_modem_hol_block_clear_all(ipa);
> -- 
> 2.26.2
> 
Acked-by: Rafael Aquini <aquini@redhat.com>