linux-kernel - Re: [PATCH v2 2/2] libata: Ignore spurious PHY event on LPM policy change

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:	Sat, 25 Apr 2015 16:53:59 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Gabriele Mazzotta <gabriele.mzt@...il.com>
Cc:	stripathi@....com, linux-kernel@...r.kernel.org,
	linux-ide@...r.kernel.org
Subject: Re: [PATCH v2 2/2] libata: Ignore spurious PHY event on LPM policy
 change

On Sat, Apr 25, 2015 at 07:52:37PM +0200, Gabriele Mazzotta wrote:
> When the LPM policy is set to ATA_LPM_MAX_POWER, the device might
> generate a spurious PHY event that cuases errors on the link.
> Ignore this event if it occured within 10s after the policy change.
> 
> The timeout was chosen observing that on a Dell XPS13 9333 these
> spurious events can occur up to roughly 6s after the policy change.
> 
> Link: http://lkml.kernel.org/g/3352987.ugV1Ipy7Z5@xps13
> Signed-off-by: Gabriele Mazzotta <gabriele.mzt@...il.com>

Applied 1-2 to libata/for-4.1-fixes w/ stable cc'd.

Thanks a lot.

-- 
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/