Thread (53 messages) 53 messages, 5 authors, 2012-12-10

Re: [PATCH 02/40] x86: mm: drop TLB flush from ptep_set_access_flags

From: Alan Cox <hidden>
Date: 2012-11-22 20:52:45
Also in: lkml

On Thu, 22 Nov 2012 19:25:15 +0000
Mel Gorman [off-list ref] wrote:
From: Rik van Riel <redacted>

Intel has an architectural guarantee that the TLB entry causing
a page fault gets invalidated automatically. This means
we should be able to drop the local TLB invalidation.
Can we get an AMD sign off on that ?

Alan

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