diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2023-08-14 10:18:39 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2023-10-10 14:38:18 +0200 |
| commit | 9ff4275bc8fd7bd5ac4677e2724397f8db3209bf (patch) | |
| tree | 20cb865f2d171207cddb9871762288ba37bb49dc /arch/x86/kernel/acpi/boot.c | |
| parent | 6e29032340b60f7aa7475c8234b17273e4424007 (diff) | |
x86/apic: Use BAD_APICID consistently
APIC ID checks compare with BAD_APICID all over the place, but some
initializers and some code which fiddles with global data structure use
-1[U] instead. That simply cannot work at all.
Fix it up and use BAD_APICID consistently all over the place.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Juergen Gross <jgross@suse.com>
Tested-by: Sohil Mehta <sohil.mehta@intel.com>
Tested-by: Michael Kelley <mikelley@microsoft.com>
Tested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Zhang Rui <rui.zhang@intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20230814085112.862835121@linutronix.de
Diffstat (limited to 'arch/x86/kernel/acpi/boot.c')
| -rw-r--r-- | arch/x86/kernel/acpi/boot.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 2a0ea38955df..f3e4d35bb20e 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -856,7 +856,7 @@ int acpi_unmap_cpu(int cpu) set_apicid_to_node(per_cpu(x86_cpu_to_apicid, cpu), NUMA_NO_NODE); #endif - per_cpu(x86_cpu_to_apicid, cpu) = -1; + per_cpu(x86_cpu_to_apicid, cpu) = BAD_APICID; set_cpu_present(cpu, false); num_processors--; |