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authorZhang Rui <rui.zhang@intel.com>2008-04-29 02:35:56 -0400
committerAndi Kleen <andi@basil.nowhere.org>2008-07-16 23:27:01 +0200
commitb62b8ef906cdf7115af579ce7378886ce3e0ce00 (patch)
tree9017eff86e7a8d22a88d92df88021f01162d7e0e /drivers/acpi
parent26d46867b7d27f68a446b073dac7817721ae4c8f (diff)
force offline the processor during hot-removal
The ACPI device node for the cpu has already been unregistered when acpi_processor_handle_eject is called. Thus we should offline the cpu and continue, rather than a failure here. http://bugzilla.kernel.org/show_bug.cgi?id=9772 Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Andi Kleen <ak@linux.intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/processor_core.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 9dd0fa93b9e..1c0008edccd 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -1014,9 +1014,9 @@ static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu)
static int acpi_processor_handle_eject(struct acpi_processor *pr)
{
- if (cpu_online(pr->id)) {
- return (-EINVAL);
- }
+ if (cpu_online(pr->id))
+ cpu_down(pr->id);
+
arch_unregister_cpu(pr->id);
acpi_unmap_lsapic(pr->id);
return (0);