linux-kernel - Re: [PATCH v2 0/6] arm/arm64: Allow the rescheduling IPI to bypass irq

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <f7a1cf64f8e0181a18e2b117b61622f4@kernel.org>
Date:   Mon, 01 Mar 2021 09:22:11 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     ito-yuichi@...itsu.com
Cc:     'Mark Rutland' <mark.rutland@....com>,
        'LAK' <linux-arm-kernel@...ts.infradead.org>,
        'linux-kernel' <linux-kernel@...r.kernel.org>,
        'Android Kernel Team' <kernel-team@...roid.com>,
        'Russell King' <linux@....linux.org.uk>,
        'Peter Zijlstra' <peterz@...radead.org>,
        'Catalin Marinas' <catalin.marinas@....com>,
        'Thomas Gleixner' <tglx@...utronix.de>,
        'Will Deacon' <will@...nel.org>,
        'Valentin Schneider' <Valentin.Schneider@....com>
Subject: Re: [PATCH v2 0/6] arm/arm64: Allow the rescheduling IPI to bypass
 irq_enter/exit

On 2021-03-01 00:39, ito-yuichi@...itsu.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...