Messages in this thread | | | Date | Fri, 12 Jan 2018 20:35:46 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [PATCH 1/2] genirq/affinity: assign vectors to all possible CPUs |
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On Fri, 12 Jan 2018, Ming Lei wrote:
> From: Christoph Hellwig <hch@lst.de> > > Currently we assign managed interrupt vectors to all present CPUs. This > works fine for systems were we only online/offline CPUs. But in case of > systems that support physical CPU hotplug (or the virtualized version of > it) this means the additional CPUs covered for in the ACPI tables or on > the command line are not catered for. To fix this we'd either need to > introduce new hotplug CPU states just for this case, or we can start > assining vectors to possible but not present CPUs. > > Reported-by: Christian Borntraeger <borntraeger@de.ibm.com> > Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> > Tested-by: Stefan Haberland <sth@linux.vnet.ibm.com> > Cc: linux-kernel@vger.kernel.org > Cc: Thomas Gleixner <tglx@linutronix.de>
FWIW, Acked-by: Thomas Gleixner <tglx@linutronix.de>
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