On Fri, Jul 26, 2024 at 12:01:33AM +0000, Dexuan Cui wrote: > > From: Saurabh Singh Sengar <ssengar@xxxxxxxxxxxxxxxxxxx> > > Sent: Thursday, July 25, 2024 8:35 AM > > Subject: Re: [PATCH] Drivers: hv: vmbus: Deferring per cpu tasks > > Without the patch, I think the current CPU uses IPIs to let the other > CPUs, one by one, run the function calls, and synchronously waits > for the function calls to finish. > > IMO the patch is not "Deferring per cpu tasks". "Defer" means "let it > happen later". Here it schedules work items to different CPUs, and > the work items immediately start to run on these CPUs. > > I would suggest a more accurate subject: > Drivers: hv: vmbus: Run hv_synic_init() concurrently > It would be great to call out the "why" as well in the title, something like: Drivers: hv: vmbus: Speed-up booting by running hv_synic_init() concurrently Regards, Srivatsa Microsoft Linux Systems Group
