From: Luis Chamberlain <mcgrof@kernel.org>
To: Shannon Nelson <snelson@pensando.io>
Cc: Andrew Lunn <andrew@lunn.ch>,
jeyu@kernel.org, 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, 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
Subject: Re: [PATCH 00/15] net: taint when the device driver firmware crashes
Date: Mon, 11 May 2020 14:13:27 +0000 [thread overview]
Message-ID: <20200511141326.GQ11244@42.do-not-panic.com> (raw)
In-Reply-To: <01831b19-5890-e7e0-3801-068dfab5c92a@pensando.io>
On Sat, May 09, 2020 at 07:15:23PM -0700, Shannon Nelson wrote:
> On 5/9/20 6:58 PM, Andrew Lunn wrote:
> > On Sat, May 09, 2020 at 06:01:51PM -0700, Shannon Nelson wrote:
> > As for firmware, how much damage can the firmware do as it crashed? If
> > it is a DMA master, it could of splattered stuff through
> > memory. Restarting the firmware is not going to reverse the damage it
> > has done.
> >
> True, and tho' the driver might get the thing restarted, it wouldn't
> necessarily know what kind of damage had ensued.
Indeed, it is those uknowns which we currently assume is just fine, but
in reality can be damaging. Today we just move on with life, but such
information is useful for analysis.
Luis
next prev parent reply other threads:[~2020-05-11 14:13 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-09 4:35 [PATCH 00/15] net: taint when the device driver firmware crashes Luis Chamberlain
2020-05-09 4:35 ` [PATCH 01/15] taint: add module firmware crash taint support Luis Chamberlain
2020-05-09 15:18 ` Rafael Aquini
2020-05-09 16:46 ` Luis Chamberlain
2020-05-10 2:19 ` Randy Dunlap
2020-05-09 4:35 ` [PATCH 02/15] ethernet/839: use new module_firmware_crashed() Luis Chamberlain
2020-05-09 4:35 ` [PATCH 03/15] bnx2x: " Luis Chamberlain
2020-05-09 4:35 ` [PATCH 04/15] bnxt: " Luis Chamberlain
2020-05-09 4:35 ` [PATCH 05/15] bna: " Luis Chamberlain
2020-05-09 4:35 ` [PATCH 06/15] liquidio: " Luis Chamberlain
2020-05-09 4:35 ` [PATCH 07/15] cxgb4: " Luis Chamberlain
2020-05-09 4:35 ` [PATCH 08/15] ehea: " Luis Chamberlain
2020-05-09 4:35 ` [PATCH 09/15] qed: " Luis Chamberlain
2020-05-09 6:32 ` [EXT] " Igor Russkikh
2020-05-09 16:42 ` Luis Chamberlain
2020-05-12 16:23 ` Igor Russkikh
2020-05-12 17:34 ` Luis Chamberlain
2020-05-14 14:53 ` Igor Russkikh
2020-05-15 20:32 ` Luis Chamberlain
2020-05-15 20:37 ` Igor Russkikh
2020-05-09 4:35 ` [PATCH 10/15] soc: qcom: ipa: " Luis Chamberlain
2020-05-09 4:35 ` [PATCH 11/15] wimax/i2400m: " Luis Chamberlain
2020-05-09 4:35 ` [PATCH 12/15] ath10k: " Luis Chamberlain
2020-05-09 4:35 ` [PATCH 13/15] ath6kl: " Luis Chamberlain
2020-05-09 4:35 ` [PATCH 14/15] brcm80211: " Luis Chamberlain
2020-05-09 4:35 ` [PATCH 15/15] mwl8k: " Luis Chamberlain
2020-05-09 18:35 ` [PATCH 00/15] net: taint when the device driver firmware crashes Jakub Kicinski
2020-05-11 14:11 ` Luis Chamberlain
2020-05-10 1:01 ` Shannon Nelson
2020-05-10 1:58 ` Andrew Lunn
2020-05-10 2:15 ` Shannon Nelson
2020-05-11 14:13 ` Luis Chamberlain [this message]
2020-05-11 19:21 ` Steven Rostedt
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