Re: [RFC PATCH v2 1/1] platform-msi: Add platform check for subdevice irq domain

From: Leon Romanovsky
Date: Wed Jan 06 2021 - 11:03:32 EST


On Wed, Jan 06, 2021 at 11:23:39AM -0400, Jason Gunthorpe wrote:
> On Wed, Jan 06, 2021 at 12:40:17PM +0200, Leon Romanovsky wrote:
>
> > I asked what will you do when QEMU will gain needed functionality?
> > Will you remove QEMU from this list? If yes, how such "new" kernel will
> > work on old QEMU versions?
>
> The needed functionality is some VMM hypercall, so presumably new
> kernels that support calling this hypercall will be able to discover
> if the VMM hypercall exists and if so superceed this entire check.

Let's not speculate, do we have well-known path?
Will such patch be taken to stable@/distros?

Thanks

>
> Jason