Re: [Xen-devel] [PATCH v2] efi/boot: Don't free ebmalloc area at all

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 01.03.17 at 11:28, <andrew.cooper3@xxxxxxxxxx> wrote:
> @@ -144,19 +143,6 @@ static void __init __maybe_unused *ebmalloc(size_t size)
>      return ptr;
>  }
>  
> -static void __init __maybe_unused free_ebmalloc_unused_mem(void)
> -{
> -    unsigned long start, end;
> -
> -    start = (unsigned long)ebmalloc_mem + PAGE_ALIGN(ebmalloc_allocated);
> -    end = (unsigned long)ebmalloc_mem + sizeof(ebmalloc_mem);
> -
> -    destroy_xen_mappings(start, end);
> -    init_xenheap_pages(__pa(start), __pa(end));
> -
> -    printk(XENLOG_INFO "Freed %lukB unused BSS memory\n", (end - start) >> 
> 10);
> -}

To be honest, for a temporary workaround I'd have expected to
just see the last three lines of the function put inside "#if 0". But
anyway,

Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

The one thing I don't understand here, btw, is why it is only 32-bit
Dom0 that fails to boot. Do you have any explanation or theory?

Jan


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