From: "ito-yuichi@fujitsu.com" <ito-yuichi@fujitsu.com>
To: 'Marc Zyngier' <maz@kernel.org>
Cc: "sumit.garg@linaro.org" <sumit.garg@linaro.org>,
"jason@lakedaemon.net" <jason@lakedaemon.net>,
"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"will@kernel.org" <will@kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: RE: [PATCH 0/2] Enable support IPI_CPU_CRASH_STOP to be pseudo-NMI
Date: Wed, 30 Sep 2020 08:51:54 +0000 [thread overview]
Message-ID: <OSAPR01MB4227CE6CC27B4EF48539E4548F330@OSAPR01MB4227.jpnprd01.prod.outlook.com> (raw)
In-Reply-To: <74f6c812041970cb8f5e8c0da22fca92@kernel.org>
Hi Marc
>
> On 2020-09-29 06:50, ito-yuichi@fujitsu.com wrote:
> > Hi Marc
>
> [...]
>
> >> >> The patch has been tested on ThunderX.
> >>
> >> Which ThunderX? TX2 (at least the incarnation I used in the past)
> >> wasn't able
> >> to correctly deal with priorities.
> >
> > I tried it with ThunderX CN8890.
> > If you tell me steps to reproduce the problem of TX2, I will
> > investigate it with TX as well.
>
> PMR_EL1 reporting fantasy values, non-uniform priority support across
> the interrupt classes, and generally prone to lockups. The original TX
> is a very different machine though (TX 1 and 2 only share the engraving
> of the manufacturer on the heat-spreader).
Thank you for the information.
I will check if we have a ThunderX1 or X2 environment. If we have either one, I will investigate it.
> M.
> --
> Jazz is not dead. It just smells funny...
Thank you and best regards,
Yuichi Ito
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prev parent reply other threads:[~2020-09-30 8:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-24 4:42 [PATCH 0/2] Enable support IPI_CPU_CRASH_STOP to be pseudo-NMI Yuichi Ito
2020-09-24 4:42 ` [PATCH 1/2] irqchip/gic-v3: Enable support for SGIs to act as NMIs Yuichi Ito
2020-09-24 4:42 ` [PATCH 2/2] Register IPI_CPU_CRASH_STOP IPI as pseudo-NMI Yuichi Ito
2020-09-28 2:43 ` [PATCH 0/2] Enable support IPI_CPU_CRASH_STOP to be pseudo-NMI ito-yuichi
2020-09-28 8:59 ` Marc Zyngier
2020-09-29 5:50 ` ito-yuichi
2020-09-29 10:54 ` Marc Zyngier
2020-09-30 8:51 ` ito-yuichi [this message]
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