From: Alexey Starikovskiy <astarikovskiy@suse.de>
Date: Thu, 27 Mar 2008 20:54:06 +0000 (+0300)
Subject: x86: don't call MP_processor_info for disabled cpu
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=987dd2d4d465e80e00d6a0b16787a78aa75dd66a;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

x86: don't call MP_processor_info for disabled cpu

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/arch/x86/kernel/mpparse_32.c b/arch/x86/kernel/mpparse_32.c
index 4cc325edc70d..c487bc99d7a3 100644
--- a/arch/x86/kernel/mpparse_32.c
+++ b/arch/x86/kernel/mpparse_32.c
@@ -895,6 +895,10 @@ void __cpuinit mp_register_lapic (u8 id, u8 enabled)
 			id, MAX_APICS);
 		return;
 	}
+	if (!enabled) {
+		++disabled_cpus;
+		return;
+	}
 
 	if (id == boot_cpu_physical_apicid)
 		boot_cpu = 1;