linux-kernel - Re: [PATCH] x86: Export tsc related information in sysfs

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: <4BFD8D52.2080504@zytor.com>
Date:	Wed, 26 May 2010 14:06:26 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	john stultz <johnstul@...ibm.com>
CC:	Brian Bloniarz <bmb@...enacr.com>,
	Dan Magenheimer <dan.magenheimer@...cle.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Andi Kleen <andi@...stfloor.org>,
	Arjan van de Ven <arjan@...radead.org>,
	Venkatesh Pallipadi <venki@...gle.com>, chris.mason@...cle.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: Export tsc related information in sysfs

On 05/26/2010 01:19 PM, john stultz wrote:
>>
>> Yes, Prof. Mills in particular (for those who don't know, he's "Mr.
>> NTP") really gets upset about the way Linux does timekeeping.
>> Unfortunately it's not clear to me that he's willing to work with us as
>> opposed to wanting things to work exactly like BSD, and swive the
>> non-NTP users.
> 
> Although I suspect his dislike for Linux is historical, as Roman
> reworked the ntp code to follow the NTPv4 reference implementation back
> in the 2.6.19 timeframe.
> 
> However I'd be more then happy to try to address any specific
> deficiencies with Linux's NTP implementation if someone can better
> express Prof Mills' critiques are.
> 

That's the $10M question... I think it starts with asking the NTP
community for advice.

	-hpa
--
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/