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authorDou Liyang <douly.fnst@cn.fujitsu.com>2017-03-03 11:02:23 +0300
committerThomas Gleixner <tglx@linutronix.de>2017-03-11 16:41:18 +0300
commitc962cff17dfa11f4a8227ac16de2b28aea3312e4 (patch)
tree8400e016a0a9eb1583a7986216d4422b0bcb2a92 /arch
parent434fd6353b4c83938029ca6ea7dfa4fc82d602bd (diff)
downloadlinux-c962cff17dfa11f4a8227ac16de2b28aea3312e4.tar.xz
Revert "x86/acpi: Set persistent cpuid <-> nodeid mapping when booting"
Revert: dc6db24d2476 ("x86/acpi: Set persistent cpuid <-> nodeid mapping when booting") The mapping of "cpuid <-> nodeid" is established at boot time via ACPI tables to keep associations of workqueues and other node related items consistent across cpu hotplug. But, ACPI tables are unreliable and failures with that boot time mapping have been reported on machines where the ACPI table and the physical information which is retrieved at actual hotplug is inconsistent. Revert the mapping implementation so it can be replaced with a less error prone approach. Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com> Tested-by: Xiaolong Ye <xiaolong.ye@intel.com> Cc: rjw@rjwysocki.net Cc: linux-acpi@vger.kernel.org Cc: guzheng1@huawei.com Cc: izumi.taku@jp.fujitsu.com Cc: lenb@kernel.org Link: http://lkml.kernel.org/r/1488528147-2279-2-git-send-email-douly.fnst@cn.fujitsu.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/acpi/boot.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index ae32838cac5f..f6b0e87d2388 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -710,7 +710,7 @@ static void __init acpi_set_irq_model_ioapic(void)
#ifdef CONFIG_ACPI_HOTPLUG_CPU
#include <acpi/processor.h>
-int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
+static int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
{
#ifdef CONFIG_ACPI_NUMA
int nid;