Re: [PATCH][2.5] Honour dont_enable_local_apic flag

Zwane Mwaikambo (zwane@linuxpower.ca)
Mon, 2 Jun 2003 00:50:12 -0400 (EDT)

I agree with doing the clear apic capability flag, Brian how does this
fare? This patch alone should fix it.

Index: linux-2.5/arch/i386/kernel/apic.c
===================================================================
RCS file: /home/cvs/linux-2.5/arch/i386/kernel/apic.c,v
retrieving revision 1.54
diff -u -p -B -r1.54 apic.c
--- linux-2.5/arch/i386/kernel/apic.c 31 May 2003 19:01:05 -0000 1.54
+++ linux-2.5/arch/i386/kernel/apic.c 2 Jun 2003 03:50:31 -0000
@@ -609,7 +609,7 @@ static int __init detect_init_APIC (void

/* Disabled by DMI scan or kernel option? */
if (dont_enable_local_apic)
- return -1;
+ goto no_apic;

/* Workaround for us being called before identify_cpu(). */
get_cpu_vendor(&boot_cpu_data);
@@ -665,6 +665,7 @@ static int __init detect_init_APIC (void
return 0;

no_apic:
+ clear_bit(X86_FEATURE_APIC, boot_cpu_data.x86_capability);
printk("No local APIC present or hardware disabled\n");
return -1;
}

-- 
function.linuxpower.ca
-
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