Re: [Xen-devel] [PATCH v4 1/5] efi: Introduce EFI_DIRECT flag

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 16.05.14 at 22:41, <daniel.kiper@xxxxxxxxxx> wrote:
> @@ -457,6 +460,21 @@ void __init efi_free_boot_services(void)
>       efi_unmap_memmap();
>  }
>  
> +static void __init __iomem *efi_early_ioremap(resource_size_t phys_addr,
> +                                                     unsigned long size)
> +{
> +     if (efi_enabled(EFI_DIRECT))
> +             return early_ioremap(phys_addr, size);
> +
> +     return (__force void __iomem *)phys_addr;

Now that surely needs some explanation: I can't see how this can
ever be correct, Xen or not being completely irrelevant.

Jan


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