On Sat, Jan 11, 2014 at 6:20 PM, <klightspeed@xxxxxxxxxxxxxxxx> wrote:
> Commit 65939301acdb (arm: set initrd_start/initrd_end for fdt scan)
> caused the FDT initrd_start and initrd_end to override the
> phys_initrd_start and phys_initrd_size set by the initrd= kernel
> parameter. With this patch initrd_start and initrd_end will be
> overridden if phys_initrd_start and phys_initrd_size are set by the
> kernel initrd= parameter.
>
> Signed-off-by: Ben Peddell <klightspeed@xxxxxxxxxxxxxxxx>
I'd really like to see phys_initrd_* removed, but that would be more
invasive, so:
Acked-by: Rob Herring <robh@xxxxxxxxxx>
Please submit to Russell's patch system and mark for stable. I don't
think there is time before 3.13 is released.
Rob
> ---
> arch/arm/mm/init.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
> index 1f7b19a..819c539 100644
> --- a/arch/arm/mm/init.c
> +++ b/arch/arm/mm/init.c
> @@ -345,10 +345,11 @@ void __init arm_memblock_init(struct meminfo *mi,
> #endif
> #ifdef CONFIG_BLK_DEV_INITRD
> /* FDT scan will populate initrd_start */
> - if (initrd_start) {
> + if (initrd_start && !phys_initrd_size) {
> phys_initrd_start = __virt_to_phys(initrd_start);
> phys_initrd_size = initrd_end - initrd_start;
> }
> + initrd_start = initrd_end = 0;
> if (phys_initrd_size &&
> !memblock_is_region_memory(phys_initrd_start, phys_initrd_size)) {
> pr_err("INITRD: 0x%08llx+0x%08lx is not a memory region - disabling initrd\n",
> --
> 1.8.3.2
>
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