From: Glauber de Oliveira Costa Date: Wed, 19 Mar 2008 17:25:24 +0000 (-0300) Subject: x86: fill bios cpu to apicid maps X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=73bf102b1cadc53d418df02ba687769a9f916a6d;p=openwrt%2Fstaging%2Fblogic.git x86: fill bios cpu to apicid maps We fill the per-cpu (or array) that maps bios cpu id to apicid in mpparse_32.c, the way x86_64 does Signed-off-by: Glauber Costa Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/kernel/mpparse_32.c b/arch/x86/kernel/mpparse_32.c index 1b1fd6e920e6..6ea97163701f 100644 --- a/arch/x86/kernel/mpparse_32.c +++ b/arch/x86/kernel/mpparse_32.c @@ -75,8 +75,6 @@ unsigned disabled_cpus __cpuinitdata; /* Bitmask of physically existing CPUs */ physid_mask_t phys_cpu_present_map; -u8 bios_cpu_apicid[NR_CPUS] = { [0 ... NR_CPUS-1] = BAD_APICID }; - /* * Intel MP BIOS table parsing routines: */ @@ -220,7 +218,14 @@ static void __cpuinit MP_processor_info (struct mpc_config_processor *m) def_to_bigsmp = 1; } } - bios_cpu_apicid[num_processors - 1] = m->mpc_apicid; + /* are we being called early in kernel startup? */ + if (x86_cpu_to_apicid_early_ptr) { + u16 *bios_cpu_apicid = x86_bios_cpu_apicid_early_ptr; + bios_cpu_apicid[num_processors - 1] = m->mpc_apicid; + } else { + int cpu = num_processors - 1; + per_cpu(x86_bios_cpu_apicid, cpu) = m->mpc_apicid; + } } static void __init MP_bus_info (struct mpc_config_bus *m)