linux-kernel - Re: [PATCH v3 2/2] irq/matrix: Spread managed interrupts on allocation

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Date:   Wed, 19 Sep 2018 00:02:51 +0800
From:   Dou Liyang <dou_liyang@....com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org, mingo@...hat.com,
        hpa@...or.com, douly.fnst@...fujitsu.com
Subject: Re: [PATCH v3 2/2] irq/matrix: Spread managed interrupts on
 allocation

Dear Thomas,

On 2018/9/17 23:32, Thomas Gleixner wrote:
[...]
> I think it's still worthwhile to do that, but the changelog needs a major
> overhaul as right now it's outright misleading. I'll just amend it with
> something along the above lines, unless someone disagrees.
> 

Yeah, Yes, right, I was wrong, can't prevent vector exhaustion, just
make it looks balance as you said. Thank you so much.

> That said, it might also be interesting to allow user space affinity
> settings on managed interrupts. Not meant for the pre/post vector case,
> which just needs to be made non managed. It's meant for the case where a

Yes, I am cooking according to the direction you are proposing.
Recently, I changed my PC and just completed the configuration of the
environment. ;-)

Thanks,
	dou