Also better include Maarten on Cc as the author of the code.
On Wed, 16 Oct, at 03:11:22PM, Dave Young wrote:
> typo, fix hpa's mail address..
>
> On 10/16/13 at 03:03pm, Dave Young wrote:
> >
> > Current code check boot service region with kernel text region by:
> > start+size >= __pa_symbol(_text)
> > The end of the above region should be start + size - 1 instead.
> >
> > I see this problem in ovmf + Fedora 19 grub boot:
> > text start: 1000000 md start: 800000 md size: 800000
> >
> > Signed-off-by: Dave Young <dyoung@xxxxxxxxxx>
> > ---
> > arch/x86/platform/efi/efi.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > --- linux-2.6.orig/arch/x86/platform/efi/efi.c
> > +++ linux-2.6/arch/x86/platform/efi/efi.c
> > @@ -440,7 +440,7 @@ void __init efi_reserve_boot_services(vo
> > * - Not within any part of the kernel
> > * - Not the bios reserved area
> > */
> > - if ((start+size >= __pa_symbol(_text)
> > + if ((start + size - 1 >= __pa_symbol(_text)
> > && start <= __pa_symbol(_end)) ||
> > !e820_all_mapped(start, start+size, E820_RAM) ||
> > memblock_is_region_reserved(start, size)) {
--
Matt Fleming, Intel Open Source Technology Center
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