linux-kernel - Re: Kernel crash due to memory corruption with v5.4.26-rt17 and PowerPC e500

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Date:   Fri, 29 May 2020 18:37:22 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Mark Marshall <markmarshall14@...il.com>
Cc:     linux-rt-users <linux-rt-users@...r.kernel.org>,
        Mark Marshall <mark.marshall@...cronenergy.com>,
        thomas.graziadei@...cronenergy.com,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org, rostedt@...dmis.org
Subject: Re: Kernel crash due to memory corruption with v5.4.26-rt17 and
 PowerPC e500

On 2020-05-29 18:15:18 [+0200], To Mark Marshall wrote:
> In order to get it back into the RT queue I need to understand why it is
> required. What exactly is it fixing. Let me stare at for a little…

it used to be local_irq_disable() which then became preempt_disable()
local_irq_disable() due to ARM's limitation.

> > Best regards,
> > Mark
> 
Sebastian