linux-kernel - [PATCH 0/4] avoid disabling interrupts where it is not required

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Message-Id: <20180504142446.30525-1-bigeasy@linutronix.de>
Date:   Fri,  4 May 2018 16:24:42 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     linux-ide@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, tglx@...utronix.de,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 0/4] avoid disabling interrupts where it is not required

This series avoids/limits disabling of interrupts in drivers/ide.
This is from the -RT queue where it was reported initially (ata was not
widespread back then) and it hurts -RT.

While looking at alim15x3, there are some drivers which exist in both
worlds (alim15x3 included was far as I can tell). Is there a reason why
we still keep two drivers around for the same hardware? I know on mips
bigsur and swarm select IDE in their defconfig. I fixed (ages ago) ide
for swarm while I was using ata myself. So *I* think this just a relict.
If Ralf's bigsur is still alive, it is using SATA and not the onboard
IDE.

Sebastian