[PATCH 0/2] arm64: ignore memory outside of the linear range

Will Deacon will.deacon at arm.com
Mon Aug 24 02:22:56 PDT 2015


On Mon, Aug 24, 2015 at 09:00:43AM +0100, Ard Biesheuvel wrote:
> >> This is a followup to the single patch I posted on Aug 15th to ignore
> >> RAM that cannot be covered by the linear mapping. Instead of clipping
> >> the memory after the fact, this clips the memory before installing the
> >> regions into the memblock memory table.
> >>
> >> This is basically the approach that Mark Rutland suggested here
> >>
> >> http://article.gmane.org/gmane.linux.ports.arm.kernel/430239
> >>
> >> but modified to correctly consider the base of the kernel image as the
> >> start of the linear mapping.
> >>
> >> Ard Biesheuvel (2):
> >>   of/fdt: make memblock maximum physical address arch configurable
> >>   arm64: set MAX_MEMBLOCK_ADDR according to linear region size
> >>
> >>  arch/arm64/include/asm/memory.h |  8 ++++++++
> >>  drivers/of/fdt.c                | 12 +++++++-----
> >>  2 files changed, 15 insertions(+), 5 deletions(-)
> >
> > Tested on Freescale LS2085ARDB which has a split memory region
> > that triggers the bug.
> >
> > Tested-by: Stuart Yoder <stuart.yoder at freescale.com>
> >
> 
> Will you be picking up this series for v4.3? If so, do you need me to
> resend it with the tags added?

Sorry, I missed Rob's ack on the of/fdt.c change. I'll pick these up
later today, no need to resend.

Cheers,

Will



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