Re: [PATCH v4 5/7] x86/tlb: add tlb flush all factor for specificCPU
From: Alex Shi
Date: Fri May 11 2012 - 08:51:19 EST
On 05/11/2012 05:04 PM, Peter Zijlstra wrote:
> 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 !
> Better yet, don't create the sysfs file at all in that case.
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