From: cov@codeaurora.org (Christopher Covington)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH 0/2] ARM: Remove any correlation between IPC and BogoMips value
Date: Mon, 13 May 2013 11:14:06 -0400 [thread overview]
Message-ID: <5191033E.2000303@codeaurora.org> (raw)
In-Reply-To: <20130508090644.GA15692@mudshark.cambridge.arm.com>
Hi Will,
On 05/08/2013 05:06 AM, Will Deacon wrote:
> Hello Christopher,
>
> On Tue, May 07, 2013 at 04:48:26PM +0100, Christopher Covington wrote:
>> On 05/07/2013 05:08 AM, Will Deacon wrote:
>>> That seems like a lot of effort in order to preserve something that isn't
>>> even meaningful. We might be better just zeroing the value, but then we'll
>>> inevitably get bug reports of it being `wrong'.
>>
>> If I were in to filing bug reports about bogomips values, I would be just as
>> likely to do it for 1, 10000, 99999, and get_random_bytes(...) as for 0.
>
> That's a fair point, and one of the reasons I posted this as an RFC. I'd
> basically like an `obviously bogus' value so that people don't think `hey,
> my CPU sure it slow' and instead think `looks like this really is a bogus
> value after all'.
>
> However, you're probably right that there isn't a number which can convey
> that information properly, so how about we just put a string in there along
> the lines of "not reported" and leave it at that?
That sounds reasonable to me.
Christopher
--
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by the Linux Foundation.
prev parent reply other threads:[~2013-05-13 15:14 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-03 17:35 [RFC PATCH 0/2] ARM: Remove any correlation between IPC and BogoMips value Will Deacon
2013-05-03 17:35 ` [RFC PATCH 1/2] ARM: delay: print dummy values for bogomips Will Deacon
2013-05-06 23:16 ` Pavel Machek
2013-05-07 8:17 ` Marc Zyngier
2013-05-14 19:54 ` Nicolas Pitre
2013-05-14 22:23 ` Rob Herring
2013-05-14 23:56 ` Nicolas Pitre
2013-05-15 9:01 ` Will Deacon
2013-05-15 11:47 ` Pavel Machek
2013-05-15 12:34 ` Nicolas Pitre
2013-05-20 9:59 ` Pavel Machek
2013-05-03 17:35 ` [RFC PATCH 2/2] init: calibrate: don't print out bogomips value on boot Will Deacon
2013-05-06 18:01 ` [RFC PATCH 0/2] ARM: Remove any correlation between IPC and BogoMips value Christopher Covington
2013-05-07 9:08 ` Will Deacon
2013-05-07 15:48 ` Christopher Covington
2013-05-08 9:06 ` Will Deacon
2013-05-13 15:14 ` Christopher Covington [this message]
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