Re: [PATCH 1/2]: Powerpc: Fix EHCA driver on relocatable kernel

Alexander Schmidt
2010-09-20T14:41:37Z

On Thu, 19 Aug 2010 23:08:09 -0500
Sonny Rao <sonnyrao-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org> wrote:

> Some modules (like eHCA) want to map all of kernel memory, for this to
> work with a relocated kernel, we need to export kernstart_addr so
> modules can use PHYSICAL_START and memstart_addr so they could use
> MEMORY_START. Note that the 32bit code already exports these symbols.
>
> Signed-off-By: Sonny Rao <sonnyrao-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>

Acked-by: Alexander Schmidt <alexs-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>

> Index: common/arch/powerpc/mm/init_64.c
> ===================================================================
> --- common.orig/arch/powerpc/mm/init_64.c 2010-08-16 02:38:33.000000000 -0500
> +++ common/arch/powerpc/mm/init_64.c 2010-08-16 02:39:25.000000000 -0500
> @@ -79,7 +79,9 @@
> #endif /* CONFIG_PPC_STD_MMU_64 */
>
> phys_addr_t memstart_addr = ~0;
> +EXPORT_SYMBOL(memstart_addr);
> phys_addr_t kernstart_addr;
> +EXPORT_SYMBOL(kernstart_addr);
>
> void free_initmem(void)
> {
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