linux-kernel - Re: [Patch v4] genirq/matrix: Choose CPU for managed IRQs based on how many of them are allocated

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Message-ID: <alpine.DEB.2.21.1811062357200.1635@nanos.tec.linutronix.de>
Date:   Tue, 6 Nov 2018 23:59:38 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Long Li <longli@...rosoft.com>
cc:     linux-kernel@...r.kernel.org
Subject: Re: [Patch v4] genirq/matrix: Choose CPU for managed IRQs based on
 how many of them are allocated

Long,

On Tue, 6 Nov 2018, Long Li wrote:

> From: Long Li <longli@...rosoft.com>
> 
> On a large system with multiple devices of the same class (e.g. NVMe disks,
> using managed IRQs), the kernel tends to concentrate their IRQs on several
> CPUs.

Thanks for addressing the comments. Well done.

I've merged it, but took the liberty to rework the changelog so all the
background information which we exchanged over the various iterations is
preserved there.

Thanks,

	tglx