SetVirtualAddressMap() on Tiano EFI firmware

[Bjorn Helgaas]

On Thursday 11 September 2008 02:23:58 pm Bjorn Helgaas wrote:
> ...
> The following patch makes kexec-tools work on either old or new
> firmware.  Masking out the top nibble of either a physical address
> or a virtual address in region 7 results in a physical address.
> 
> diff --git a/purgatory/arch/ia64/purgatory-ia64.c b/purgatory/arch/ia64/purgatory-ia64.c
> index b2fe6d4..acacb56 100644
> --- a/purgatory/arch/ia64/purgatory-ia64.c
> +++ b/purgatory/arch/ia64/purgatory-ia64.c
> @@ -147,7 +147,7 @@ setup_arch(void)
>  
>  inline unsigned long PA(unsigned long addr)
>  {
> -	return addr - PAGE_OFFSET;
> +	return addr & 0x0fffffffffffffffLL;
>  }
>  
>  void
> 

I haven't seen any activity on this.

Simon, if nobody objects to it, would you consider the patch above
for kexec-tools?

Bjorn