Re: [PATCH v5] vp_vdpa: don't allocate unused msix vectors

2024-04-25 Thread Gavin Liu
but in host side,the msix is enabled,then > the device will triger Interrupt normally. I analysed this bug before,and I > think gavin is right. > Did I make it clear? Not really. Guest disables interrupts presumably (it's polling) why does device still send them? > > > >

Re: [PATCH v5] vp_vdpa: don't allocate unused msix vectors

2024-04-22 Thread Michael S. Tsirkin
On Wed, Apr 10, 2024 at 11:30:20AM +0800, lyx634449800 wrote: > From: Yuxue Liu > > When there is a ctlq and it doesn't require interrupt > callbacks,the original method of calculating vectors > wastes hardware msi or msix resources as well as system > IRQ resources. > > When conducting

Re: [PATCH v5] vp_vdpa: don't allocate unused msix vectors

2024-04-22 Thread Gavin Liu
Dear Michael, I hope this email finds you well. I am reaching out to request your assistance in reviewing a patch. The patch in question is titled "[PATCH v5] vp_vdpa: don't allocate unused msix vectors". I believe your expertise and insights would be invaluable in ensuring