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

[Wei Liu <wei.liu@xxxxxxxxxx>]

On Tue, May 23, 2023 at 04:03:42PM +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.
> 
> Cc: Wei Liu <wei.liu@xxxxxxxxxx>
> Cc: Paul Durrant <paul@xxxxxxx>
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
> Cc: netdev@xxxxxxxxxxxxxxx
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Acked-by: Wei Liu <wei.liu@xxxxxxxxxx>