Received: by 2002:ac0:a5b6:0:0:0:0:0 with SMTP id m51-v6csp1115836imm; Wed, 13 Jun 2018 13:39:56 -0700 (PDT) X-Google-Smtp-Source: ADUXVKIH5fAhMove3RE4zO1A2j8A/ZoL6Xbs2b0AXZ5rmtLTs8g0K6whxmCErq1B9CMGpRDOnLZ5 X-Received: by 2002:aa7:810c:: with SMTP id b12-v6mr6307668pfi.79.1528922396730; Wed, 13 Jun 2018 13:39:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1528922396; cv=none; d=google.com; s=arc-20160816; b=eZxGW9GwVaM0utzzoEYLVjuazEM2dtsR/unej1kqMfmdRJl0vQMtpMi5LxoB/OsOXU YcvAXnuxqKhABXSLmQ7Zd73sJV2GPfVUDy7Gcyr1UQVwanwHGdUHbUapAAnHnsL+InhH y809G83shlEKkTv2Pje3eQdj5MZ0ZMzSUh791eZV9o829hBcgPBi86IvHe6TBDtf26zz BvDIbQd+wOTza0fs7eOcQQ4fFw7Zrn0izjj0YZFZgqJ7BwNXS6l3UJ3O9D25ASI6yqsd hQQe9dvlHTXXk6b5uPnsYxAHk1vSwnOJ0tyPXAcJiyjYdS7yexBqNVHISaZlp2fFhclk YiQg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=fwHJP23aB0xJLpejyGTPJLHig4wHpFPlPGeH6TpbyxY=; b=x0lP0jgC15mAMWLvcxRl1Xk6FPbpBdUR7VcHflxEL/jqVSj4aE7ttYmIHKO9XHB/ls lUxIOK1aWRakpkj11zGm3rLT0AljEMiexSnOKcnk50JgXZwgKDrsH41c2SnM2YpJz+VR p2sUVBfynrosEYOx9BQYHBxCDSEqpJ9wRorGmLD50WT6kM5z3yLLizabARXG29AtR1HI +nffvHyeMvaEnbOJBgUiIdZd7wPLm6hjAbeE6DeOKRnFjy3eV5pG14ucDKKX/Z8Oa3F7 oXaHgQsoanQ3cY84wbwq98HBv0xdnTcraCgH3XEHO5N8MTEbNlc75MvDzevJo0farhSy yJ1g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id d16-v6si3642052pls.327.2018.06.13.13.39.41; Wed, 13 Jun 2018 13:39:56 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935540AbeFMUiJ (ORCPT + 99 others); Wed, 13 Jun 2018 16:38:09 -0400 Received: from mga03.intel.com ([134.134.136.65]:57776 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935352AbeFMUiI (ORCPT ); Wed, 13 Jun 2018 16:38:08 -0400 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 Jun 2018 13:38:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,220,1526367600"; d="scan'208";a="237219401" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga006.fm.intel.com with ESMTP; 13 Jun 2018 13:38:04 -0700 Received: by black.fi.intel.com (Postfix, from userid 1000) id 1DDC0166; Wed, 13 Jun 2018 23:38:05 +0300 (EEST) Date: Wed, 13 Jun 2018 23:38:04 +0300 From: "Kirill A. Shutemov" To: Dave Hansen Cc: Ingo Molnar , x86@kernel.org, Thomas Gleixner , "H. Peter Anvin" , Tom Lendacky , Kai Huang , Jacob Pan , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCHv3 02/17] mm/khugepaged: Do not collapse pages in encrypted VMAs Message-ID: <20180613203804.bpeipe4txckja6na@black.fi.intel.com> References: <20180612143915.68065-1-kirill.shutemov@linux.intel.com> <20180612143915.68065-3-kirill.shutemov@linux.intel.com> <20180613201802.45m2745soztmkxmp@black.fi.intel.com> <7dccd52e-ca46-b417-5a7b-274dc7ff3e44@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7dccd52e-ca46-b417-5a7b-274dc7ff3e44@intel.com> User-Agent: NeoMutt/20170714-126-deb55f (1.8.3) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 13, 2018 at 08:20:28PM +0000, Dave Hansen wrote: > On 06/13/2018 01:18 PM, Kirill A. Shutemov wrote: > >> Are we really asking the x86 maintainers to merge this feature with this > >> restriction in place? > > I gave it more thought after your comment and I think I see a way to get > > khugepaged work with memory encryption. > > So should folks be reviewing this set, or skip it an wait on your new set? You gave me fair bit of feedback to work on, but AFAICS it doesn't change anything fundamentally. More feedback is welcome. -- Kirill A. Shutemov