linux-kernel - Re: [PATCH v3 14/15] lib/group_cpus.c: honor housekeeping config when grouping CPUs

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Message-ID: <ZrI3nOim6Aw9S3H0@fedora>
Date: Tue, 6 Aug 2024 22:47:56 +0800
From: Ming Lei <ming.lei@...hat.com>
To: Daniel Wagner <dwagner@...e.de>
Cc: Jens Axboe <axboe@...nel.dk>, Keith Busch <kbusch@...nel.org>,
	Sagi Grimberg <sagi@...mberg.me>,
	Thomas Gleixner <tglx@...utronix.de>,
	Christoph Hellwig <hch@....de>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	John Garry <john.g.garry@...cle.com>,
	"Michael S. Tsirkin" <mst@...hat.com>,
	Jason Wang <jasowang@...hat.com>,
	Kashyap Desai <kashyap.desai@...adcom.com>,
	Sumit Saxena <sumit.saxena@...adcom.com>,
	Shivasharan S <shivasharan.srikanteshwara@...adcom.com>,
	Chandrakanth patil <chandrakanth.patil@...adcom.com>,
	Sathya Prakash Veerichetty <sathya.prakash@...adcom.com>,
	Suganath Prabu Subramani <suganath-prabu.subramani@...adcom.com>,
	Nilesh Javali <njavali@...vell.com>,
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Subject: Re: [PATCH v3 14/15] lib/group_cpus.c: honor housekeeping config
 when grouping CPUs

On Tue, Aug 06, 2024 at 02:06:46PM +0200, Daniel Wagner wrote:
> group_cpus_evenly distributes all present CPUs into groups. This ignores
> the isolcpus configuration and assigns isolated CPUs into the groups.
> 
> Make group_cpus_evenly aware of isolcpus configuration and use the
> housekeeping CPU mask as base for distributing the available CPUs into
> groups.
> 
> Fixes: 11ea68f553e2 ("genirq, sched/isolation: Isolate from handling managed interrupts")

This patch fixes nothing on commit 11ea68f553e2, please remove the above
Fixes tag.


Thanks,
Ming