[PATCH] x86_64: fix the BP node_to_cpumask
Fix the BP node_to_cpumask. 2.6.14-rc* broke the boot cpu bit as the
cpu_to_node(0) is now not setup early enough for numa_init_array.
cpu_to_node[] is setup much later at srat_detect_node on acpi srat based
em64t machines. This seems like a problem on amd machines too, Tested on
em64t though. /sys/devices/system/node/node0/cpumap shows up sanely after
this patch.
Signed off by: Ravikiran Thirumalai <kiran@scalex86.org>
Signed-off-by: Shai Fultheim <shai@scalex86.org>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c
index 80a49d9..68ad758 100644
--- a/arch/x86_64/mm/numa.c
+++ b/arch/x86_64/mm/numa.c
@@ -178,7 +178,6 @@
rr++;
}
- set_bit(0, &node_to_cpumask[cpu_to_node(0)]);
}
#ifdef CONFIG_NUMA_EMU
@@ -266,9 +265,7 @@
__cpuinit void numa_add_cpu(int cpu)
{
- /* BP is initialized elsewhere */
- if (cpu)
- set_bit(cpu, &node_to_cpumask[cpu_to_node(cpu)]);
+ set_bit(cpu, &node_to_cpumask[cpu_to_node(cpu)]);
}
unsigned long __init numa_free_all_bootmem(void)