Re: [PATCHv3 5/6] arm64: Use __pa_symbol for kernel symbols

From: Mark Rutland
Date: Wed Nov 23 2016 - 04:57:47 EST


On Mon, Nov 21, 2016 at 09:40:06AM -0800, Laura Abbott wrote:
> On 11/18/2016 06:35 AM, Mark Rutland wrote:
> > On Thu, Nov 17, 2016 at 05:16:55PM -0800, Laura Abbott wrote:
> >> /* Grab the vDSO code pages. */
> >> for (i = 0; i < vdso_pages; i++)
> >> - vdso_pagelist[i + 1] = pfn_to_page(PHYS_PFN(__pa(&vdso_start)) + i);
> >> + vdso_pagelist[i + 1] = pfn_to_page(PHYS_PFN(__pa_symbol(&vdso_start)) + i);
> >
> > Nit: phys_to_page() again.
>
> I think it makes sense to keep this one as is. It's offsetting
> by pfn number and trying force phys_to_page would make it more
> difficult to read.

My bad; I failed to spot the + i.

That sounds good to me; sorry for the noise there.

Thanks,
Mark.