Re: [PATCH] of: specify initrd location using 64-bit

From: Nicolas Pitre
Date: Wed Sep 12 2012 - 16:31:25 EST


On Wed, 12 Sep 2012, Rob Herring wrote:

> On 09/12/2012 11:05 AM, Cyril Chemparathy wrote:
> > On some PAE architectures, the entire range of physical memory could reside
> > outside the 32-bit limit. These systems need the ability to specify the
> > initrd location using 64-bit numbers.
> >
> > This patch globally modifies the early_init_dt_setup_initrd_arch() function to
> > use 64-bit numbers instead of the current unsigned long.
>
> S-o-B?
>
> > ---
> > arch/arm/mm/init.c | 2 +-
> > arch/c6x/kernel/devicetree.c | 3 +--
> > arch/microblaze/kernel/prom.c | 3 +--
> > arch/mips/kernel/prom.c | 3 +--
> > arch/openrisc/kernel/prom.c | 3 +--
> > arch/powerpc/kernel/prom.c | 3 +--
> > arch/x86/kernel/devicetree.c | 3 +--
> > drivers/of/fdt.c | 10 ++++++----
> > include/linux/of_fdt.h | 3 +--
> > 9 files changed, 14 insertions(+), 19 deletions(-)
> >
> > diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
> > index ad722f1..579792c 100644
> > --- a/arch/arm/mm/init.c
> > +++ b/arch/arm/mm/init.c
> > @@ -76,7 +76,7 @@ static int __init parse_tag_initrd2(const struct tag *tag)
> > __tagtable(ATAG_INITRD2, parse_tag_initrd2);
> >
> > #ifdef CONFIG_OF_FLATTREE
> > -void __init early_init_dt_setup_initrd_arch(unsigned long start, unsigned long end)
> > +void __init early_init_dt_setup_initrd_arch(u64 start, u64 end)
>
> phys_initrd_start/size need to change too. Not sure about similar things
> on other arches.

size ?


Nicolas
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