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Date: Wed, 6 Jun 2018 16:36:02 +0800 From: Pingfan Liu <kernelfans@...il.com> To: x86@...nel.org Cc: linux-kernel@...r.kernel.org Subject: question about the limited interrupt vector resource on a single cpu For x86, there is around 200 vectors left for external device on a single logic cpu. Is there any case that we exhaust them in real world, and is it worth to fix? Thanks, Pingfan