linux-kernel - Re: [RFC][PATCH 2/2] Greatly improve TSC calibration using a timer

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:	Sun, 1 Aug 2010 05:07:10 +0900
From:	"Kuwahara,T." <6vvetjsrt26xsrzlh1z0zn4d2grdah@...il.com>
To:	John Stultz <johnstul@...ibm.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Clark Williams <williams@...hat.com>,
	Andi Kleen <andi@...stfloor.org>
Subject: Re: [RFC][PATCH 2/2] Greatly improve TSC calibration using a timer

Hi John,

How about using the O'Rourke's algorithm?
It's much faster and accurate even if an SMI disturbance occurred
during the calibration process.

Reference
O'Rourke, J. (1981). An on-line algorithm for fitting straight lines
between data ranges.
Communications of the ACM, 24, 574-578. doi:10.1145/358746.358758
--
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/