[PATCH for-v4.2 1/4] of/fdt: split off FDT self reservation from memreserve processing

Ard Biesheuvel ard.biesheuvel at linaro.org
Mon Jun 1 12:36:28 PDT 2015


On 1 June 2015 at 19:33, Catalin Marinas <catalin.marinas at arm.com> wrote:
> On Mon, Jun 01, 2015 at 01:40:31PM +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 at arm.linux.org.uk>
>> Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org>
>> Cc: Paul Mackerras <paulus at samba.org>
>> Acked-by: Rob Herring <robh at kernel.org>
>> Acked-by: Mark Rutland <mark.rutland at arm.com>
>> Acked-by: Catalin Marinas <catalin.marinas at arm.com>
>> Signed-off-by: Ard Biesheuvel <ard.biesheuvel at linaro.org>
>> ---
>>  arch/arm/mm/init.c         |  1 +
>>  arch/arm64/mm/init.c       |  1 +
>>  arch/powerpc/kernel/prom.c |  1 +
>>  drivers/of/fdt.c           | 19 ++++++++++++++-----
>>  include/linux/of_fdt.h     |  2 ++
>>  5 files changed, 19 insertions(+), 5 deletions(-)
>
> I'm happy to take this patch (already acked by the DT maintainers)
> through the arm64 tree but it would be good to have an ack from the arch
> maintainers as well (i.e. Russell, Ben, Paul).
>

OK, fair enough,

@Ben, Paul
@Russell

Could you please indicate whether or not you have any objections to this patch?

Kind regards,
Ard.



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