Re: [PATCH] xen/netback: Pass (void *) to virt_to_page()

[Wei Liu <wei.liu@xxxxxxxxxx>]

On Wed, May 24, 2023 at 10:11:47PM -0700, Jakub Kicinski wrote:
> On Tue, 23 May 2023 16:03:42 +0200 Linus Walleij wrote:
> > virt_to_page() takes a virtual address as argument but
> > the driver passes an unsigned long, which works because
> > the target platform(s) uses polymorphic macros to calculate
> > the page.
> > 
> > Since many architectures implement virt_to_pfn() as
> > a macro, this function becomes polymorphic and accepts both a
> > (unsigned long) and a (void *).
> > 
> > Fix this up by an explicit (void *) cast.
> 
> Paul, Wei, looks like netdev may be the usual path for this patch 
> to flow thru, although I'm never 100% sure with Xen.

Yes. Netdev is the right path.

Thanks,
Wei.