From 5f836405ef632ba82f4a5261ff2be4198e53b51b Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 28 Jan 2009 13:47:42 +0100 Subject: [PATCH] x86, smp: clean up mps_oem_check() Impact: cleanup - allow NULL ->mps_oem_check() entries - clean up the code flow Signed-off-by: Ingo Molnar --- arch/x86/include/asm/genapic.h | 3 +-- arch/x86/mach-generic/probe.c | 22 +++++++++++++--------- 2 files changed, 14 insertions(+), 11 deletions(-) diff --git a/arch/x86/include/asm/genapic.h b/arch/x86/include/asm/genapic.h index 14b19de8cd0..8bb1c73c55b 100644 --- a/arch/x86/include/asm/genapic.h +++ b/arch/x86/include/asm/genapic.h @@ -55,8 +55,7 @@ struct genapic { * is switched to this. Essentially they are additional * probe functions: */ - int (*mps_oem_check)(struct mpc_table *mpc, char *oem, - char *productid); + int (*mps_oem_check)(struct mpc_table *mpc, char *oem, char *productid); unsigned int (*get_apic_id)(unsigned long x); unsigned long (*set_apic_id)(unsigned int id); diff --git a/arch/x86/mach-generic/probe.c b/arch/x86/mach-generic/probe.c index a21e2b1a701..799a70f4d90 100644 --- a/arch/x86/mach-generic/probe.c +++ b/arch/x86/mach-generic/probe.c @@ -113,17 +113,21 @@ void __init generic_apic_probe(void) int __init mps_oem_check(struct mpc_table *mpc, char *oem, char *productid) { int i; + for (i = 0; apic_probe[i]; ++i) { - if (apic_probe[i]->mps_oem_check(mpc, oem, productid)) { - if (!cmdline_apic) { - apic = apic_probe[i]; - if (x86_quirks->update_genapic) - x86_quirks->update_genapic(); - printk(KERN_INFO "Switched to APIC driver `%s'.\n", - apic->name); - } - return 1; + if (!apic_probe[i]->mps_oem_check) + continue; + if (!apic_probe[i]->mps_oem_check(mpc, oem, productid)) + continue; + + if (!cmdline_apic) { + apic = apic_probe[i]; + if (x86_quirks->update_genapic) + x86_quirks->update_genapic(); + printk(KERN_INFO "Switched to APIC driver `%s'.\n", + apic->name); } + return 1; } return 0; } -- 2.46.0