linux-kernel - Re: [PATCH RFC] x86, tsc: Allow for high latency in quick_pit

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Message-ID: <55703652.4090306@intel.com>
Date:	Thu, 04 Jun 2015 14:28:18 +0300
From:	Adrian Hunter <adrian.hunter@...el.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Andi Kleen <ak@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andy Lutomirski <luto@...capital.net>,
	LKML <linux-kernel@...r.kernel.org>, X86 ML <x86@...nel.org>,
	"H. Peter Anvin" <hpa@...or.com>, Len Brown <lenb@...nel.org>
Subject: Re: [PATCH RFC] x86, tsc: Allow for high latency in quick_pit_calibrate()

On 03/06/15 16:45, Linus Torvalds wrote:
> On Wed, Jun 3, 2015 at 1:13 AM, Adrian Hunter <adrian.hunter@...el.com> wrote:
>>
>> Yeah, so the (only?) downside is the 50ms wasted on Fast TSC
>> calibration.  What about this?
> 
> That's certainly simpler.
> 
> What platform is this?

It's a prototype.


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