openkylin
/
platform_kernel-5.15
mirror of https://gitee.com/openkylin/platform_kernel-5.15.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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

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 <akataria@vmware.com>
Signed-off-by: Dan Arai <arai@vmware.com>
Cc: Len Brown <lenb@kernel.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alok Kataria 2008-04-08 17:41:56 -07:00 committed by Linus Torvalds
parent 4b47c971dc
commit ba62b07787
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/acpi/processor_core.c
View File

@ -822,7 +822,7 @@ static int acpi_processor_remove(struct acpi_device *device, int type)
} }
processors[pr->id] = NULL; processors[pr->id] = NULL;
processor_device_array[pr->id] = NULL;
kfree(pr); kfree(pr);
return 0; return 0;