linux-kernel - Re: [PATCH RESEND] cpu/hotplug: Wait for cpu_hotplug to be enabled in cpu

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Message-ID: <247d9cfd-3624-6316-e1d0-0789f23333e9@nokia.com>
Date:   Wed, 5 Feb 2020 13:49:01 +0100
From:   Matija Glavinic Pecotic <matija.glavinic-pecotic.ext@...ia.com>
To:     Thomas Gleixner <tglx@...utronix.de>, linux-kernel@...r.kernel.org
Cc:     "Sverdlin, Alexander (Nokia - DE/Ulm)" <alexander.sverdlin@...ia.com>
Subject: Re: [PATCH RESEND] cpu/hotplug: Wait for cpu_hotplug to be enabled in
 cpu_up/down

Hello Thomas,

On 02/04/2020 01:30 PM, Thomas Gleixner wrote:
> If you have that isolation thingies on the kernel command line there is
> no point in doing the cpu up/down dance. It's not providing you anything
> useful except steering interrupts away which you can do on the kernel
> command line as well with 'irqaffinity=...'.

Thanks for the info.

Regards,

Matija