commit 53def1fec24f8216778a0492e62370141c5c15a4
Author: Alok Kataria <[EMAIL PROTECTED]>
Date: Thu Apr 10 01:50:05 2008 +0000
acpi: fix "buggy BIOS check" when CPUs are hot removed
upstream commit: ba62b077871a5255e271f4fdae57167651839277
Fixes a BUG in ACPI hotplugging.
processor_device_array[pr->id] needs to be set to NULL when removing a CPU.
Else the "buggy BIOS check" in acpi_processor_start mistakenly fires when a
CPU is removed from the system and then later re-added.
Signed-off-by: Alok N Kataria <[EMAIL PROTECTED]>
Signed-off-by: Dan Arai <[EMAIL PROTECTED]>
Cc: Len Brown <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
Signed-off-by: Chris Wright <[EMAIL PROTECTED]>
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index e48ee4f..021153f 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -792,7 +792,7 @@ static int acpi_processor_remove(struct acpi_device
*device, int type)
acpi_processor_remove_fs(device);
processors[pr->id] = NULL;
-
+ processor_device_array[pr->id] = NULL;
kfree(pr);
return 0;
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