From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8C9CECAAD8 for ; Fri, 23 Sep 2022 12:52:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229833AbiIWMwP (ORCPT ); Fri, 23 Sep 2022 08:52:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42736 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229549AbiIWMwO (ORCPT ); Fri, 23 Sep 2022 08:52:14 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 78005128A0D; Fri, 23 Sep 2022 05:52:13 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 1378C61B83; Fri, 23 Sep 2022 12:52:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EB7DCC433C1; Fri, 23 Sep 2022 12:52:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1663937532; bh=dyFwuPI8nAiWa2PCvqNDg4TRnPGIRnPb/48dH0S+ycU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=UHyAyizWcDm5F8vFKzB+NUJxPhn+P4LLK8HMa9sPb7dyF72IiA0jLonx49XBNIL19 +u1awv2DDm8jiRbWj2FDv8yYZ/4HduenQtxyCtUPspfANTtEfOXKO0e1FZCoX5zjLR N1aStGHm+IMHCHmPpDE3EejhcsKwn0DN2t1j64OuOoQbjqTKYdkUlGbnU59T/YwCvo azxTnT0u/gpNI7x4zr8JjkXGEW0yTxklnOjWCVrJpFve9JDqa189PuCnxmUudz0+E7 0d+GQOKLg6wU5Z+vP93ktmMvv2KWpGiRYYYtPRX9Kiy5oT/MZFCJseL/MDxMYhugI5 TM7c/e+rWP9HQ== Date: Fri, 23 Sep 2022 15:52:08 +0300 From: Jarkko Sakkinen To: Kristen Carlson Accardi Cc: linux-kernel@vger.kernel.org, linux-sgx@vger.kernel.org, cgroups@vger.kernel.org, Dave Hansen , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Sean Christopherson Subject: Re: [RFC PATCH 03/20] x86/sgx: Track owning enclave in VA EPC pages Message-ID: References: <20220922171057.1236139-1-kristen@linux.intel.com> <20220922171057.1236139-4-kristen@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220922171057.1236139-4-kristen@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-sgx@vger.kernel.org On Thu, Sep 22, 2022 at 10:10:40AM -0700, Kristen Carlson Accardi wrote: > From: Sean Christopherson > > In order to fully account for an enclave's EPC page usage, store > the owning enclave of a VA EPC page. > > Signed-off-by: Sean Christopherson > Signed-off-by: Kristen Carlson Accardi > Cc: Sean Christopherson Why this change fully accounts enclave's EPC page usage? BR, Jarkko