Re: [PATCH v4 5/7] x86/tlb: add tlb flush all factor for specificCPU

[Peter Zijlstra]

On Fri, 2012-05-11 at 11:04 +0200, Peter Zijlstra wrote:

> > NO, the first judgement is from CPU. But second '-1' is may from user
> > setting in sysfs.
> 
> Then you're doing it wrong. Don't allow setting the sysfs variable if !
> cpu_has_invlpg.

Better yet, don't create the sysfs file at all in that case.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/