Messages in this thread | | | Date | Thu, 24 May 2012 17:46:40 -0700 | From | Arjan van de Ven <> | Subject | Re: [PATCH v7 8/8] x86/tlb: just do tlb flush on one of siblings of SMT |
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On > As my limited knowledge, rewrite cr3 or invlpg will flush all levels TLB > entries in CPU. So, what's you mean of 'HAVE to flush all'?
neither of these will flush global tlb entries.
(see the "global" bit in the page table format)
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