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Re: [PATCH] Make c0_compare_int_usable faster

To: Atsushi Nemoto <>
Subject: Re: [PATCH] Make c0_compare_int_usable faster
From: Ralf Baechle <>
Date: Mon, 22 Oct 2007 22:04:00 +0100
In-reply-to: <>
Original-recipient: rfc822;
References: <>
User-agent: Mutt/1.5.14 (2007-02-12)
On Tue, Oct 23, 2007 at 01:14:16AM +0900, Atsushi Nemoto wrote:

> Use delta value based on its speed for faster probing.

Still the same issue, it breaks with Qemu.  You probably don't see this
if you're testing on a desktop where the TSC is used for timing but on
a laptop it breaks big time.  I need to increase the shift value to at
least like 15 to get it to work more or less reliably with Qemu, so a
somewhat different approach is needed.


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