netdev - Re: [PATCH net-next 1/1] sfc: fully reset if MC_REBOOT event received without warm_boot

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Mon, 12 Oct 2015 05:35:42 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	sshah@...arflare.com
Cc:	netdev@...r.kernel.org, linux-net-drivers@...arflare.com
Subject: Re: [PATCH net-next 1/1] sfc: fully reset if MC_REBOOT event
 received without warm_boot_count increment

From: Shradha Shah <sshah@...arflare.com>
Date: Fri, 9 Oct 2015 10:40:35 +0100

> From: Daniel Pieczko <dpieczko@...arflare.com>
> 
> On EF10, MC_CMD_VPORT_RECONFIGURE can cause a CODE_MC_REBOOT event
> to be sent to a function without incrementing the (adapter-wide)
> warm_boot_count.  In this case, the reboot is not detected by the
> loop on efx_mcdi_poll_reboot(), so prepare for recovery from an MC
> reboot anyway.  When this codepath is run, the MC has always just
> rebooted, so this recovery is valid.
> 
> The loop on efx_mcdi_poll_reboot() is still required for other MC
> reboot cases, so that actions in response to an MC reboot are
> performed, such as clearing locally calculated statistics.
> Siena NICs are unaffected by this change as the above scenario
> does not apply.
> 
> Signed-off-by: Shradha Shah <sshah@...arflare.com>

Applied, thanks.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html