linux-kernel - Re: [PATCH v11 6/6] x86/tsc: use tsc early

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Message-ID: <CAGM2reYethiqDLM0dRRSihvRCi24b_B=eBR05G=nWVQSL9LVww@mail.gmail.com>
Date:   Thu, 21 Jun 2018 07:16:32 -0400
From:   Pavel Tatashin <pasha.tatashin@...cle.com>
To:     feng.tang@...el.com
Cc:     Steven Sistare <steven.sistare@...cle.com>,
        Daniel Jordan <daniel.m.jordan@...cle.com>,
        linux@...linux.org.uk, schwidefsky@...ibm.com,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        John Stultz <john.stultz@...aro.org>, sboyd@...eaurora.org,
        x86@...nel.org, LKML <linux-kernel@...r.kernel.org>,
        mingo@...hat.com, tglx@...utronix.de, hpa@...or.com,
        douly.fnst@...fujitsu.com, peterz@...radead.org, prarit@...hat.com,
        Petr Mladek <pmladek@...e.com>, gnomes@...rguk.ukuu.org.uk
Subject: Re: [PATCH v11 6/6] x86/tsc: use tsc early

> Do we still need add a static_key? after Peter worked out the patch
> to enable ealy jump_label_init?

Hi Feng,

With Pete's patch we will still need at least one static branch, but
as I replied to Pete's email I like the idea of initializing
jump_label_init() early, but in my opinion it should be a separate
work, with tsc.c cleanup patch.

Thank you,
Pavel