From: Ingo Molnar <mingo@elte.hu>
Date: Wed, 19 Mar 2008 19:26:15 +0000 (+0100)
Subject: x86: fill cpu to apicid and present map in mpparse, fix
X-Git-Tag: firefly_0821_release~21631^2~371
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1161705bd66df0c80fa45e87190e456c02e6f145;p=firefly-linux-kernel-4.4.55.git

x86: fill cpu to apicid and present map in mpparse, fix

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 a0cec74b80ef..000b51b78fbd 100644
--- a/arch/x86/kernel/mpparse_32.c
+++ b/arch/x86/kernel/mpparse_32.c
@@ -75,6 +75,10 @@ unsigned disabled_cpus __cpuinitdata;
 /* Bitmask of physically existing CPUs */
 physid_mask_t phys_cpu_present_map;
 
+#ifndef CONFIG_SMP
+DEFINE_PER_CPU(u16, x86_bios_cpu_apicid) = BAD_APICID;
+#endif
+
 /*
  * Intel MP BIOS table parsing routines:
  */
@@ -229,6 +233,7 @@ static void __cpuinit MP_processor_info (struct mpc_config_processor *m)
 			def_to_bigsmp = 1;
 		}
 	}
+#ifdef CONFIG_SMP
 	/* are we being called early in kernel startup? */
 	if (x86_cpu_to_apicid_early_ptr) {
 		u16 *cpu_to_apicid = x86_cpu_to_apicid_early_ptr;
@@ -240,6 +245,7 @@ static void __cpuinit MP_processor_info (struct mpc_config_processor *m)
 		per_cpu(x86_cpu_to_apicid, cpu) = m->mpc_apicid;
 		per_cpu(x86_bios_cpu_apicid, cpu) = m->mpc_apicid;
 	}
+#endif
 	cpu_set(cpu, cpu_present_map);
 }