linux-kernel - Re: [PATCH] irqchip/gic-v3: Workaround Cavium erratum 38539 when reading GICD

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Message-ID: <f7be65a9e3fe4f6aa9e99f3a625da8ee@kernel.org>
Date:   Thu, 12 Mar 2020 17:06:49 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     Tim Harvey <tharvey@...eworks.com>
Cc:     catalin.marinas@....com, jason@...edaemon.net,
        linux-kernel@...r.kernel.org, msalter@...hat.com,
        rrichter@...vell.com, tglx@...utronix.de
Subject: Re: [PATCH] irqchip/gic-v3: Workaround Cavium erratum 38539 when
 reading GICD_TYPER2

Tim,

On 2020-03-12 16:56, Tim Harvey wrote:
> This resolves failure to boot on OcteonTX (TX1).
> 
> Fixes: f2d8340 ("irqchip/gic-v3: Add GICv4.1 VPEID size discovery")

I disagree here. There's nothing wrong with that initial patch,
and the bug is squarely with the hardware.

> Tested-by: Tim Harvey <tharvey@...eworks.com>

Thanks for that. I'll try and send a pull request tomorrow.

         M.
-- 
Jazz is not dead. It just smells funny...