linux-kernel - About commit "io: change inX() to have their own IO barrier overrides"

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Message-ID: <2e80d7bc-32a0-cc40-00a9-8a383a1966c2@huawei.com>
Date:   Fri, 28 Feb 2020 09:52:33 +0000
From:   John Garry <john.garry@...wei.com>
To:     <okaya@...nel.org>, Arnd Bergmann <arnd@...db.de>
CC:     "xuwei (O)" <xuwei5@...ilicon.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: About commit "io: change inX() to have their own IO barrier
 overrides"

Hi Sinan,

About the commit in the $subject 87fe2d543f81, would there be any 
specific reason why the logic pio versions of these functions did not 
get the same treatment or should not? I'm talking about lib/logic_pio.c 
here - commit 031e3601869c ("lib: Add generic PIO mapping method") 
introduced this.

In fact, logic pio will override these for arm64 with the vanilla 
defconfig these days.

It seems that your change was made just after that logic pio stuff went 
into the kernel.

Thanks,
John