From: Dave Young <dyoung@redhat.com>
Date: Fri, 20 Dec 2013 10:02:15 +0000 (+0800)
Subject: x86/efi: Fix off-by-one bug in EFI Boot Services reservation
X-Git-Tag: v3.2.56~188
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4eee0d12bad290f9d0b8a76165b38fc287ce3303;p=pandora-kernel.git

x86/efi: Fix off-by-one bug in EFI Boot Services reservation

commit a7f84f03f660d93574ac88835d056c0d6468aebe upstream.

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@redhat.com>
Acked-by: Borislav Petkov <bp@suse.de>
Acked-by: Toshi Kani <toshi.kani@hp.com>
Tested-by: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
[bwh: Backported to 3.2: s/__pa_symbol/virt_to_phys/]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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