Messages in this thread | | | From | Huacai Chen <> | Date | Thu, 1 Jun 2023 12:19:04 +0800 | Subject | Re: [PATCH] pci: irq: Add an early parameter to limit pci irq numbers |
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Hi, Jason,
On Thu, Jun 1, 2023 at 3:14 AM Jason Gunthorpe <jgg@ziepe.ca> wrote: > > On Mon, May 29, 2023 at 02:52:29PM +0800, Huacai Chen wrote: > > > > But IMO what you are proposing seems like usecase driven and may not work all > > > the time due to architecture limitation. This again proves that the existing > > > solution is sufficient enough. > > > Yes, it's a usecase driven solution, so I provide a cmdline parameter > > to let the user decide. > > The NIC drivers should be consuming interrupts based on the number of > queues they are using, and that is something you can control from the > command line, eg ethtool IIRC. Usually it defaults to the number of > CPUs. > > Basically, you want to enable the user to configure the system with a > user specified reduced number of NIC queues, and we already have way > to do that. Yes, ethtool is a possible way, thank you very much.
Huacai > > Jason
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