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x86: print info about late C1E detection on 32bit as well

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Some BIOSes set the C1E flag only on the second core. Print a warning so
the Firmware Toolkit can check for it.

mingo: fix C1E build bug on 32-bit

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Thomas Gleixner 2007-10-17 18:04:40 +02:00 committed by Thomas Gleixner
parent c789c037e9
commit c1e3619edd
1 changed files with 10 additions and 5 deletions
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15
arch/x86/kernel/cpu/amd.c
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@ -4,6 +4,7 @@
#include <asm/io.h>
#include <asm/processor.h>
#include <asm/apic.h>
#include <asm/mach_apic.h>
#include "cpu.h"
@ -45,13 +46,17 @@ static __cpuinit int amd_apic_timer_broken(void)
case CPUID_XFAM_10H:
case CPUID_XFAM_11H:
rdmsr(MSR_K8_ENABLE_C1E, lo, hi);
if (lo & ENABLE_C1E_MASK)
if (lo & ENABLE_C1E_MASK) {
if (smp_processor_id() != boot_cpu_physical_apicid)
printk(KERN_INFO "AMD C1E detected late. "
" Force timer broadcast.\n");
return 1;
break;
default:
/* err on the side of caution */
}
break;
default:
/* err on the side of caution */
return 1;
}
}
return 0;
}
#endif