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acpi: fix "buggy BIOS check" when CPUs are hot removed

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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]>
This commit is contained in:
Alok Kataria 2008-04-08 17:41:56 -07:00 • committed by Linus Torvalds
commit ba62b07787
1 changed files with 1 additions and 1 deletions
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2
drivers/acpi/processor_core.c
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@ -822,7 +822,7 @@ static int acpi_processor_remove(struct acpi_device *device, int type)
}
processors[pr->id] = NULL;
processor_device_array[pr->id] = NULL;
kfree(pr);
return 0;