[tip:x86/uv] x86, uv, uv3: Update ACPI Check to include SGI UV3

[tip-bot for Mike Travis <travis@sgi.com>]

Commit-ID:  526018bc5eccfe3177780f03d2aaba0efee40720
Gitweb:     http://git.kernel.org/tip/526018bc5eccfe3177780f03d2aaba0efee40720
Author:     Mike Travis <travis@sgi.com>
AuthorDate: Mon, 11 Feb 2013 13:45:10 -0600
Committer:  H. Peter Anvin <hpa@linux.intel.com>
CommitDate: Mon, 11 Feb 2013 17:17:44 -0800

x86, uv, uv3: Update ACPI Check to include SGI UV3

Add UV3 to exclusion list.  Instead of adding every new series of
SGI UV systems, just check oem_id to have a prefix of "SGI".

Signed-off-by: Mike Travis <travis@sgi.com>
Link: http://lkml.kernel.org/r/20130211194508.457937455@gulag1.americas.sgi.com
Acked-by: Russ Anderson <rja@sgi.com>
Reviewed-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Jiang Liu <liuj97@gmail.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
 arch/x86/pci/mmconfig-shared.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index fb29968..082e881 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -548,8 +548,7 @@ static int __init acpi_mcfg_check_entry(struct acpi_table_mcfg *mcfg,
 	if (cfg->address < 0xFFFFFFFF)
 		return 0;
 
-	if (!strcmp(mcfg->header.oem_id, "SGI") ||
-			!strcmp(mcfg->header.oem_id, "SGI2"))
+	if (!strncmp(mcfg->header.oem_id, "SGI", 3))
 		return 0;
 
 	if (mcfg->header.revision >= 1) {