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Date:   Mon, 01 Mar 2021 09:22:11 +0000
From:   Marc Zyngier <maz@kernel.org>
To:     ito-yuichi@fujitsu.com
Cc:     'Mark Rutland' <mark.rutland@arm.com>,
        'LAK' <linux-arm-kernel@lists.infradead.org>,
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        'Thomas Gleixner' <tglx@linutronix.de>,
        'Will Deacon' <will@kernel.org>,
        'Valentin Schneider' <Valentin.Schneider@arm.com>
Subject: Re: [PATCH v2 0/6] arm/arm64: Allow the rescheduling IPI to bypass
 irq_enter/exit
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On 2021-03-01 00:39, ito-yuichi@fujitsu.com wrote:
> Hi Marc,
> 
> I plan to add NMI patches which enables IPI_CPU_CRASH_STOP IPI as 
> pseudo-NMI[1].
> But I know need to resolve the instrumentation issues before that. I
> think need to moving arm64 entry code over to the generic entry
> code(kernel/entry/common.c) for that, is this right?
> 
> Can you tell me current status?
> Let me know if there's anything I can do to help.

Mark is working on this, I believe. I'll let him comment on the current 
state of things.

Thanks,

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