Re: [tip:core/efi] efi: Add "efi_fake_mem" boot option

[Ingo Molnar]

* tip-bot for Taku Izumi <tipbot@xxxxxxxxx> wrote:

> Commit-ID:  0f96a99dab366333439e110d6ad253bc7c557c09
> Gitweb:     http://git.kernel.org/tip/0f96a99dab366333439e110d6ad253bc7c557c09
> Author:     Taku Izumi <izumi.taku@xxxxxxxxxxxxxx>
> AuthorDate: Wed, 30 Sep 2015 23:01:56 +0900
> Committer:  Matt Fleming <matt.fleming@xxxxxxxxx>
> CommitDate: Mon, 12 Oct 2015 14:20:09 +0100
> 
> efi: Add "efi_fake_mem" boot option

So this commit started generating the following new build warning on x86 32-bit 
allyesconfig and allmodconfig builds:

drivers/firmware/efi/fake_mem.c:186:20: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]

Which comes from:

        u64 new_memmap_phy;

	...

        memmap.phys_map = (void *)new_memmap_phy;

While efi_memory_map has a 32-bit pointer:

struct efi_memory_map {
        void *phys_map;
        void *map;
        void *map_end;
        int nr_map;
        unsigned long desc_version;
        unsigned long desc_size;
};

Thanks,

	Ingo
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