From 736ed62bdec73d80c591f8e9b1ca19a435914ebd Mon Sep 17 00:00:00 2001
From: Suresh Siddha <suresh.b.siddha@intel.com>
Date: Mon, 18 Jan 2010 12:10:48 -0800
Subject: [PATCH] --- yaml --- r: 179604 b: refs/heads/master c:
 dfea91d5a7c795fd6f4e1a97489a98e4e767463e h: refs/heads/master v: v3

---
 [refs]                                    | 2 +-
 trunk/arch/x86/kernel/apic/apic_flat_64.c | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 2ac4c68ef4d6..9288f75c40e9 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 54ef91dcf094313fb4fbe87713c11fb55bcf15a9
+refs/heads/master: dfea91d5a7c795fd6f4e1a97489a98e4e767463e
diff --git a/trunk/arch/x86/kernel/apic/apic_flat_64.c b/trunk/arch/x86/kernel/apic/apic_flat_64.c
index eacbd2b31d27..e3c3d820c325 100644
--- a/trunk/arch/x86/kernel/apic/apic_flat_64.c
+++ b/trunk/arch/x86/kernel/apic/apic_flat_64.c
@@ -240,6 +240,11 @@ static int physflat_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 		printk(KERN_DEBUG "system APIC only can use physical flat");
 		return 1;
 	}
+
+	if (!strncmp(oem_id, "IBM", 3) && !strncmp(oem_table_id, "EXA", 3)) {
+		printk(KERN_DEBUG "IBM Summit detected, will use apic physical");
+		return 1;
+	}
 #endif
 
 	return 0;