[gentoo-commits] linux-patches r1973 - genpatches-2.6/trunk/3.0

[Stratos Psomadakis (psomas)]

Author: psomas
Date: 2011-08-29 23:14:59 +0000 (Mon, 29 Aug 2011)
New Revision: 1973

Added:
   genpatches-2.6/trunk/3.0/1700_i386-bigsmp-early-lapicid-override.patch
Modified:
   genpatches-2.6/trunk/3.0/0000_README
Log:
Eliminate false warnings regarding logical APIC ID mismatches for i386/bigsmp

Modified: genpatches-2.6/trunk/3.0/0000_README
===================================================================
--- genpatches-2.6/trunk/3.0/0000_README	2011-08-29 23:09:32 UTC (rev 1972)
+++ genpatches-2.6/trunk/3.0/0000_README	2011-08-29 23:14:59 UTC (rev 1973)
@@ -55,6 +55,10 @@
 From:   http://www.kernel.org
 Desc:   Linux 3.0.4
 
+Patch:  1700_i386-bigsmp-early-lapicid-override.patch
+From:   http://bugs.gentoo.org/show_bug.cgi?id=379867
+Desc:   Eliminate false warnings regarding logical APIC ID mismatches for i386/bigsmp
+
 Patch:  1800_fix-zcache-build.patch
 From:   http://bugs.gentoo.org/show_bug.cgi?id=376325
 Desc:   Fix zcache build error

Added: genpatches-2.6/trunk/3.0/1700_i386-bigsmp-early-lapicid-override.patch
===================================================================
--- genpatches-2.6/trunk/3.0/1700_i386-bigsmp-early-lapicid-override.patch	                        (rev 0)
+++ genpatches-2.6/trunk/3.0/1700_i386-bigsmp-early-lapicid-override.patch	2011-08-29 23:14:59 UTC (rev 1973)
@@ -0,0 +1,21 @@
+--- a/arch/x86/kernel/apic/probe_32.c
++++ b/arch/x86/kernel/apic/probe_32.c
+@@ -203,7 +203,18 @@  void __init default_setup_apic_routing(v
+ 	if (!cmdline_apic && apic == &apic_default) {
+ 		struct apic *bigsmp = generic_bigsmp_probe();
+ 		if (bigsmp) {
++			unsigned int cpu;
++
+ 			apic = bigsmp;
++			for_each_possible_cpu(cpu) {
++				if (early_per_cpu(x86_cpu_to_logical_apicid,
++						  cpu) == BAD_APICID)
++					continue;
++				early_per_cpu(x86_cpu_to_logical_apicid,
++					      cpu) =
++					bigsmp->x86_32_early_logical_apicid
++						(cpu);
++			}
+ 			printk(KERN_INFO "Overriding APIC driver with %s\n",
+ 			       apic->name);
+ 		}