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Date: Sun, 4 Jun 2017 18:17:10 +0300 From: Sagi Grimberg <sagi@...mberg.me> To: Christoph Hellwig <hch@....de>, Thomas Gleixner <tglx@...utronix.de>, Jens Axboe <axboe@...nel.dk> Cc: Keith Busch <keith.busch@...el.com>, linux-block@...r.kernel.org, linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org Subject: Re: [PATCH 4/8] genirq/affinity: assign vectors to all present CPUs On 03/06/17 17:03, Christoph Hellwig wrote: > Currently we only assign spread vectors to online CPUs, which ties the > IRQ mapping to the currently online devices and doesn't deal nicely with > the fact that CPUs could come and go rapidly due to e.g. power management. > > Instead assign vectors to all present CPUs to avoid this churn. > > For this we have to build a map of all possible CPUs for a give node, as s/give/given/ Reviewed-by: Sagi Grimberg <sagi@...mberg.me>
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