From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f70.google.com (mail-pa0-f70.google.com [209.85.220.70]) by kanga.kvack.org (Postfix) with ESMTP id 4743C6B007E for ; Tue, 14 Jun 2016 12:54:35 -0400 (EDT) Received: by mail-pa0-f70.google.com with SMTP id ao6so261275221pac.2 for ; Tue, 14 Jun 2016 09:54:35 -0700 (PDT) Received: from mga01.intel.com (mga01.intel.com. [192.55.52.88]) by mx.google.com with ESMTP id c1si1949616paz.112.2016.06.14.09.54.34 for ; Tue, 14 Jun 2016 09:54:34 -0700 (PDT) From: "Anaczkowski, Lukasz" Subject: RE: [PATCH] Linux VM workaround for Knights Landing A/D leak Date: Tue, 14 Jun 2016 16:54:30 +0000 Message-ID: References: <1465919919-2093-1-git-send-email-lukasz.anaczkowski@intel.com> <7FB15233-B347-4A87-9506-A9E10D331292@gmail.com> In-Reply-To: <7FB15233-B347-4A87-9506-A9E10D331292@gmail.com> Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Nadav Amit Cc: LKML , "linux-mm@kvack.org" , Thomas Gleixner , Ingo Molnar , Dave Hansen , "ak@linux.intel.com" , "kirill.shutemov@linux.intel.com" , "mhocko@suse.com" , Andrew Morton , "H. Peter Anvin" , "Srinivasappa, Harish" , "Odzioba, Lukasz" From: Nadav Amit [mailto:nadav.amit@gmail.com]=20 Sent: Tuesday, June 14, 2016 6:48 PM > Lukasz Anaczkowski wrote: >> From: Andi Kleen >> +void fix_pte_leak(struct mm_struct *mm, unsigned long addr, pte_t *ptep= ) >> +{ > Here there should be a call to smp_mb__after_atomic() to synchronize with > switch_mm. I submitted a similar patch, which is still pending (hint). Thanks, Nadav! I'll add this and re-submit the patch. Cheers, Lukasz -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org