Re: [PATCH v3 04/17] arm64, hibernate: rename dst to page in create_safe_exec_page

From: Pavel Tatashin
Date: Fri Sep 06 2019 - 11:41:17 EST


On Fri, Sep 6, 2019 at 11:17 AM James Morse <james.morse@xxxxxxx> wrote:
>
> Hi Pavel,
>
> On 21/08/2019 19:31, Pavel Tatashin wrote:
> > create_safe_exec_page() allocates a safe page and maps it at a
> > specific location, also this function returns the physical address
> > of newly allocated page.
> >
> > The destination VA, and PA are specified in arguments: dst_addr,
> > phys_dst_addr
> >
> > However, within the function it uses "dst" which has unsigned long
> > type, but is actually a pointers in the current virtual space. This
> > is confusing to read.
>
> The type? There are plenty of places in the kernel that an unsigned-long is actually a
> pointer. This isn't unusual.
>
>
> > Rename dst to more appropriate page (page that is created), and also
> > change its time to "void *"
>
> If you think its clearer,
> Reviewed-by: James Morse <james.morse@xxxxxxx>

Thank you for your review.

Pasha