netdev - Re: [PATCH net] net: dsa: bcm_sf2: fix 64-bits register reads

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]

Message-Id: <20150220.175258.108097845897582111.davem@davemloft.net>
Date:	Fri, 20 Feb 2015 17:52:58 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	f.fainelli@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net] net: dsa: bcm_sf2: fix 64-bits register reads

From: Florian Fainelli <f.fainelli@...il.com>
Date: Thu, 19 Feb 2015 11:09:27 -0800

> Reading 64-bits register was not working because we inverted the steps
> between reading the lower 32-bits of the register and reading the upper
> 32-bits. Swapping these operations is how the HW guarantees that 64-bits
> reads are latched correctly. We only have a handful of 64-bits registers
> for now, mostly MIB counters, so the imapct is low.
> 
> Fixes: 246d7f773c13 ("net: dsa: add Broadcom SF2 switch driver")
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Applied, thanks Florian.
--
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