linux-kernel - Re: [PATCH v7 1/6] x86/tsc: remove tsc

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Message-ID: <651534c5-5095-4b93-dbdf-e4808cc0eaee@cn.fujitsu.com>
Date:   Wed, 8 Nov 2017 16:52:34 +0800
From:   Dou Liyang <douly.fnst@...fujitsu.com>
To:     Pavel Tatashin <pasha.tatashin@...cle.com>
CC:     Steve Sistare <steven.sistare@...cle.com>,
        Daniel Jordan <daniel.m.jordan@...cle.com>,
        <linux@...linux.org.uk>, <schwidefsky@...ibm.com>,
        <heiko.carstens@...ibm.com>, John Stultz <john.stultz@...aro.org>,
        <sboyd@...eaurora.org>, <x86@...nel.org>,
        <linux-kernel@...r.kernel.org>, <mingo@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>, <hpa@...or.com>
Subject: Re: [PATCH v7 1/6] x86/tsc: remove tsc_disabled flag

Hi Pavel,

At 11/03/2017 10:23 PM, Pavel Tatashin wrote:
> Hi Dou,
>
> Sure, I can remove the warning, but I think we should print something
> that is indicating that notsc is not a good parameter anymore: i.e
> tsc=unstable is better. Perhaps something like:
> "Kernel parameter \'notsc\'  is deprecated, please use
> \'tsc=unstable\' instead" ?
>

IMO, we already have a message by

mark_tsc_unstable("boot parameter notsc");

and we will use 'notsc' in case of CONFIG_X86_TSC = no

So, I guess there is no need to print this msg.

Thanks,
	dou.

> Pasha