[PATCH 1/8] of/fdt: split off FDT self reservation from memreserve processing

[mark.rutland@arm.com (Mark Rutland)]

On Mon, Jun 01, 2015 at 08:56:07AM +0100, Ard Biesheuvel wrote:
> (snip non-LAKML CCs)
> 
> On 22 May 2015 at 12:35, Catalin Marinas <catalin.marinas@arm.com> wrote:
> > On Mon, May 11, 2015 at 08:41:53AM +0200, Ard Biesheuvel wrote:
> >> This splits off the reservation of the memory occupied by the FDT
> >> binary itself from the processing of the memory reservations it
> >> contains. This is necessary because the physical address of the FDT,
> >> which is needed to perform the reservation, may not be known to the
> >> FDT driver core, i.e., it may be mapped outside the linear direct
> >> mapping, in which case __pa() returns a bogus value.
> >>
> >> Cc: Russell King <linux@arm.linux.org.uk>
> >> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> >> Cc: Paul Mackerras <paulus@samba.org>
> >> Acked-by: Rob Herring <robh@kernel.org>
> >> Acked-by: Mark Rutland <mark.rutland@arm.com>
> >> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> >
> > For the arm64 part:
> >
> > Acked-by: Catalin Marinas <catalin.marinas@arm.com>
> 
> Thanks Catalin,
> 
> Since there has been virtually no discussion about these patches, I
> guess they have missed the window for being considered for inclusion
> in v4.2
> 
> May I suggest that you at least consider these patches regarding the ID map
> 
> http://article.gmane.org/gmane.linux.ports.arm.kernel/411720
> http://article.gmane.org/gmane.linux.ports.arm.kernel/411721
> 
> since they are self-contained and the first one does fix a potential
> problem where the Image placement logic in the stub does not take the
> 512 MB alignment boundary into account. The second one is a trivial
> cleanup.

FWIW both of these look good to me.

> Perhaps Mark can comment on the desirability to include the FDT
> remapping patch (which depends on this 1/8).
> 
> http://article.gmane.org/gmane.linux.kernel.efi/5738

I would like to see that taken if possible.

Thanks,
Mark.