* Tue, 9 Oct 2007 14:49:55 +0200
[]
> @@ -33,9 +33,20 @@ void fastcall (*machine_check_vector)(struct pt_regs *,
> long error_code) = unexp
> /* This has to be run for each processor */
> void mcheck_init(struct cpuinfo_x86 *c)
> {
> + uint32_t mca, mce;
> +
> if (mce_disabled==1)
> return;
>
> + mca = cpu_has(c, X86_FEATURE_MCA);
> + mce = cpu_has(c, X86_FEATURE_MCE);
> +
> + if (!mca || !mce) {
> + printk(KERN_INFO "CPU%i: No machine check support available\n",
> + smp_processor_id());
> + return;
> + }
> +
cpu_has() returns int,
but would it be better to have something like
if (!mce_disabled &&
!(c->x86_capability & (X86_FEATURE_MCA | X86_FEATURE_MCE)) {
printk(KERN_INFO "CPU%i: No machine check support available\n",
smp_processor_id());
return;
} else
return;
?
____
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