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

[Stuart Yoder]

> -----Original Message-----
> From: Ard Biesheuvel [mailto:ard.biesheuvel at linaro.org]
> Sent: Tuesday, August 18, 2015 4:35 AM
> To: linux-arm-kernel at lists.infradead.org; mark.rutland at arm.com; catalin.marinas at arm.com; robh at kernel.org
> Cc: grant.likely at linaro.org; Yoder Stuart-B08248; will.deacon at arm.com; Ard Biesheuvel
> Subject: [PATCH 0/2] arm64: ignore memory outside of the linear range
> 
> 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>

Thanks,
Stuart