netdev - Re: [PATCH net] mlx4: disable device on shutdown

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Message-Id: <20200728.171213.1437000169108879721.davem@davemloft.net>
Date:   Tue, 28 Jul 2020 17:12:13 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     kuba@...nel.org
Cc:     netdev@...r.kernel.org, kernel-team@...com, tariqt@...lanox.com,
        ogerlitz@...lanox.com, yishaih@...lanox.com, saeedm@...lanox.com,
        lawja@...com
Subject: Re: [PATCH net] mlx4: disable device on shutdown

From: Jakub Kicinski <kuba@...nel.org>
Date: Fri, 24 Jul 2020 16:15:43 -0700

> It appears that not disabling a PCI device on .shutdown may lead to
> a Hardware Error with particular (perhaps buggy) BIOS versions:
 ...
> Fix the mlx4 driver.
> 
> This is a very similar problem to what had been fixed in:
> commit 0d98ba8d70b0 ("scsi: hpsa: disable device during shutdown")
> to address https://bugzilla.kernel.org/show_bug.cgi?id=199779.
> 
> Fixes: 2ba5fbd62b25 ("net/mlx4_core: Handle AER flow properly")
> Reported-by: Jake Lawrence <lawja@...com>
> Signed-off-by: Jakub Kicinski <kuba@...nel.org>

Applied and queued up for -stable, thanks.