From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f198.google.com (mail-wr0-f198.google.com [209.85.128.198]) by kanga.kvack.org (Postfix) with ESMTP id E241A6B0038 for ; Wed, 13 Dec 2017 19:42:38 -0500 (EST) Received: by mail-wr0-f198.google.com with SMTP id f9so2269335wra.2 for ; Wed, 13 Dec 2017 16:42:38 -0800 (PST) Received: from mail-sor-f41.google.com (mail-sor-f41.google.com. [209.85.220.41]) by mx.google.com with SMTPS id c2sor2050968edi.46.2017.12.13.16.42.37 for (Google Transport Security); Wed, 13 Dec 2017 16:42:37 -0800 (PST) Date: Thu, 14 Dec 2017 03:42:36 +0300 From: "Kirill A. Shutemov" Subject: Re: [PATCHv4 09/12] x86/mm: Provide pmdp_establish() helper Message-ID: <20171214004235.uuyyhk5zpvutysct@node.shutemov.name> References: <20171213105756.69879-1-kirill.shutemov@linux.intel.com> <20171213105756.69879-10-kirill.shutemov@linux.intel.com> <20171213160951.249071f2aecdccb38b6bb646@linux-foundation.org> <20171214003318.xli42qgybplln754@node.shutemov.name> <20171213163639.7e1fb5c4082888d2e399b310@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171213163639.7e1fb5c4082888d2e399b310@linux-foundation.org> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: "Kirill A. Shutemov" , Vlastimil Babka , Andrea Arcangeli , Michal Hocko , linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Ingo Molnar , "H . Peter Anvin" , Thomas Gleixner On Wed, Dec 13, 2017 at 04:36:39PM -0800, Andrew Morton wrote: > So how the heck do we test this? Add an artificial delay on the other > side to open the race window? I'll look tomorrow how we can provide proper testing for the corner case. -- Kirill A. Shutemov -- 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