From 1161705bd66df0c80fa45e87190e456c02e6f145 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 19 Mar 2008 20:26:15 +0100 Subject: [PATCH] x86: fill cpu to apicid and present map in mpparse, fix Signed-off-by: Ingo Molnar --- arch/x86/kernel/mpparse_32.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/x86/kernel/mpparse_32.c b/arch/x86/kernel/mpparse_32.c index a0cec74b80e..000b51b78fb 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); } -- 2.41.0