linux-kernel - Re: [RFC][PATCH] clocksource: Avoid selecting mult values that might overflow when adjusted

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

Message-ID: <CAGXxSxUqzu8gBHU3GeCj1zmYdQdbC68dqaE1PeiBaOssPobo-g@mail.gmail.com>
Date:	Wed, 2 Nov 2011 10:27:25 +0800
From:	Chen Jie <chenj@...ote.com>
To:	John Stultz <john.stultz@...aro.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Yong Zhang <yong.zhang0@...il.com>,
	David Daney <ddaney.cavm@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [RFC][PATCH] clocksource: Avoid selecting mult values that might
 overflow when adjusted

Hi,
We've backported the patch to our kernel, and redo the test[1] that
formerly caused system stall.
After 12-hours, no system stall observed.



Regards,
Chen Jie

----
[1] The test is just do "sleep 5 && reboot " on our mips64 compatible
CPU@...MHz. At each boot time, BIOS will calculate CPU Freq. Some CPU
Freq(around 500MHz) caused easy-overflow clock mult values in the
former tests, which then led to "sleep 5" never return.
--
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/