Re: [PATCH] x86 efi: efi reverve boot service fix

From: Dave Young
Date: Wed Oct 16 2013 - 04:24:32 EST


On 10/16/13 at 12:29am, H. Peter Anvin wrote:
> On 10/16/2013 12:11 AM, Dave Young wrote:
> >>
> >> --- 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)) {
>
> It would be better to change >= to >.

Both are fine to me, will resend with '>'
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/