linux-kernel - Re: [PATCH v8 2/6] time: sync read_boot

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Date:   Tue, 14 Nov 2017 14:57:04 -0500
From:   Pavel Tatashin <pasha.tatashin@...cle.com>
To:     Dou Liyang <douly.fnst@...fujitsu.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 v8 2/6] time: sync read_boot_clock64() with persistent clock

> why we should remove the *extern* keyword?

Hi Dou,

While, I am not sure why it was decided to stop using externs in
headers, this is a warning printed by scripts/checkpatch.pl:

CHECK: extern prototypes should be avoided in .h files

To have a clean checkpatch output I removed externs.

Pavel