From: Luis Chamberlain <mcgrof@kernel•org>
To: jeyu@kernel•org, davem@davemloft•net, kuba@kernel•org
Cc: michael.chan@broadcom•com, dchickles@marvell•com,
sburla@marvell•com, fmanlunas@marvell•com, aelior@marvell•com,
GR-everest-linux-l2@marvell•com, kvalo@codeaurora•org,
johannes@sipsolutions•net, akpm@linux-foundation•org,
arnd@arndb•de, rostedt@goodmis•org, mingo@redhat•com,
aquini@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, derosier@gmail•com,
keescook@chromium•org, daniel.vetter@ffwll•ch, will@kernel•org,
mchehab+samsung@kernel•org, vkoul@kernel•org,
mchehab+huawei@kernel•org, robh@kernel•org, mhiramat@kernel•org,
sfr@canb•auug.org.au, linux@dominikbrodowski•net,
glider@google•com, paulmck@kernel•org, elver@google•com,
bauerman@linux•ibm.com, yamada.masahiro@socionext•com,
samitolvanen@google•com, yzaikin@google•com, dvyukov@google•com,
rdunlap@infradead•org, corbet@lwn•net, dianders@chromium•org,
netdev@vger•kernel.org, linux-kernel@vger•kernel.org,
linux-doc@vger•kernel.org, Luis Chamberlain <mcgrof@kernel•org>
Subject: [PATCH v3 7/8] liquidio: use new taint_firmware_crashed()
Date: Tue, 26 May 2020 14:58:14 +0000 [thread overview]
Message-ID: <20200526145815.6415-8-mcgrof@kernel.org> (raw)
In-Reply-To: <20200526145815.6415-1-mcgrof@kernel.org>
This makes use of the new taint_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: Derek Chickles <dchickles@marvell•com>
Cc: Satanand Burla <sburla@marvell•com>
Cc: Felix Manlunas <fmanlunas@marvell•com>
Acked-by: Rafael Aquini <aquini@redhat•com>
Reviewed-by: Derek Chickles <dchickles@marvell•com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel•org>
---
drivers/net/ethernet/cavium/liquidio/lio_main.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c
index 66d31c018c7e..ee1796ea4818 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c
@@ -801,6 +801,7 @@ static int liquidio_watchdog(void *param)
continue;
WRITE_ONCE(oct->cores_crashed, true);
+ taint_firmware_crashed();
other_oct = get_other_octeon_device(oct);
if (other_oct)
WRITE_ONCE(other_oct->cores_crashed, true);
--
2.26.2
next prev parent reply other threads:[~2020-05-26 14:58 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-26 14:58 [PATCH v3 0/8] kernel: taint when the driver firmware crashes Luis Chamberlain
2020-05-26 14:58 ` [PATCH v3 1/8] kernel.h: move taint and system state flags to uapi Luis Chamberlain
2020-05-26 14:58 ` [PATCH v3 2/8] panic: add uevent support Luis Chamberlain
2020-05-26 14:58 ` [PATCH v3 3/8] taint: add firmware crash taint support Luis Chamberlain
2020-05-26 14:58 ` [PATCH v3 4/8] panic: make taint data type clearer Luis Chamberlain
2020-05-26 14:58 ` [PATCH v3 5/8] ath10k: use new taint_firmware_crashed() Luis Chamberlain
2020-06-02 21:01 ` Brian Norris
2020-05-26 14:58 ` [PATCH v3 6/8] bnxt_en: " Luis Chamberlain
2020-05-26 18:09 ` Michael Chan
2020-05-26 14:58 ` Luis Chamberlain [this message]
2020-05-26 14:58 ` [PATCH v3 8/8] qed: " Luis Chamberlain
2020-05-26 22:46 ` [PATCH v3 0/8] kernel: taint when the driver firmware crashes Jakub Kicinski
2020-05-26 23:07 ` Luis Chamberlain
2020-05-26 23:30 ` Jakub Kicinski
2020-05-27 3:19 ` Luis Chamberlain
2020-05-27 21:36 ` Jakub Kicinski
2020-05-28 14:27 ` Luis Chamberlain
2020-05-28 15:04 ` Ben Greear
2020-05-28 16:33 ` Luis Chamberlain
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