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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7004AC31E44 for ; Fri, 14 Jun 2019 05:13:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4285A20850 for ; Fri, 14 Jun 2019 05:13:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="MXRx/8mR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725851AbfFNFNN (ORCPT ); Fri, 14 Jun 2019 01:13:13 -0400 Received: from mail-lj1-f194.google.com ([209.85.208.194]:40528 "EHLO mail-lj1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725801AbfFNFNM (ORCPT ); Fri, 14 Jun 2019 01:13:12 -0400 Received: by mail-lj1-f194.google.com with SMTP id a21so999875ljh.7 for ; Thu, 13 Jun 2019 22:13:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=aL7dOhWJv6Iy9PdIL/Yj/9BYl97GRWMi/xDEOn/xHjE=; b=MXRx/8mRNZMEm1bSJWyIQsqdjsBQQWYSqSNiLZbqiLy8NWqMXq9PwlieAW0h9A12ak /QfePvWZDuOYNpjekRDfBniymCHnr8jZ6wyvty7ZG7h+tkY4iUnvLjn4rf/3RpwKp4y7 yENE6RqmnFanwpBzOT9bmTtrkiKD/rZKwo9AE5XqDN4hiTmgj6FpzDjKfz1dU/4bTGa/ 5hv6teKrtqHFtBVrtF7qGtc5jBuXkteMXOVAPJd7bKlJrHx6evSlDzru4Zugeyp3Kl1B fpiyzYSgJI1guXX+HAkkUTyRSKQmjmLyAQSCiVSywCIYV/d+sqdiFx2/yT92ARm6v5Se 1KDg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=aL7dOhWJv6Iy9PdIL/Yj/9BYl97GRWMi/xDEOn/xHjE=; b=n6aZg3pMklp3wUUeeEz4YdFTMrSr1Y2k2s1pi6pO0Nw3Vd5xM/i4JmhLKs/jCbd2cN i7p+55/b80EUeCmBGROINdedz+uiPqdMEh+lpG37NJSqECHeP145Qw2vONpathUEvz/s CntZAFm9QT9SNKahWRB9511rlG+K02jtGEPdE/e7aC48IvOrksiGOwca8ZjbTiF32WpO om+u10gpzyfahzX6OShjo3q0i+wSgsnlDxYZr9FvTWQMve2p1laR04YGisTtunheI0yy J9f3KpwpekUJLxTKCNCcxkJRJMoiFKV2MjFxYWhSWvOh+FFKwtgvv8UVtABoOlOXI1kV GeAg== X-Gm-Message-State: APjAAAXqcyER9v0s3rEuz+9GgScbQCRgGGgtZgzOGBI/Z7P0sGcIuTTj J5LPlhxLq6dj7zIlCoUo6H6jmb/ldSZ3gkB3iHxZfQ== X-Google-Smtp-Source: APXvYqwbhE6azwYa5Cp42iogGaz/sbbBnyxJMg/6/oQvYNIvy2CVlb+gsNyQN1WDW1av7RwJ5ccPczeFkpq9mcT7YzM= X-Received: by 2002:a2e:4b12:: with SMTP id y18mr2691836lja.238.1560489190498; Thu, 13 Jun 2019 22:13:10 -0700 (PDT) MIME-Version: 1.0 References: <1560421833-27414-1-git-send-email-sumit.garg@linaro.org> <1560421833-27414-2-git-send-email-sumit.garg@linaro.org> <20190613151257.GA18488@linux.intel.com> <20190613151714.GC18488@linux.intel.com> <20190613151746.GD18488@linux.intel.com> In-Reply-To: <20190613151746.GD18488@linux.intel.com> From: Sumit Garg Date: Fri, 14 Jun 2019 10:42:59 +0530 Message-ID: Subject: Re: [RFC 1/7] tee: optee: allow kernel pages to register as shm To: Jarkko Sakkinen Cc: keyrings@vger.kernel.org, linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, Jens Wiklander , corbet@lwn.net, dhowells@redhat.com, jejb@linux.ibm.com, zohar@linux.ibm.com, jmorris@namei.org, serge@hallyn.com, Ard Biesheuvel , Daniel Thompson , linux-doc@vger.kernel.org, Linux Kernel Mailing List , tee-dev@lists.linaro.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 13 Jun 2019 at 20:47, Jarkko Sakkinen wrote: > > On Thu, Jun 13, 2019 at 06:17:14PM +0300, Jarkko Sakkinen wrote: > > On Thu, Jun 13, 2019 at 06:12:57PM +0300, Jarkko Sakkinen wrote: > > > On Thu, Jun 13, 2019 at 04:00:27PM +0530, Sumit Garg wrote: > > > > Kernel pages are marked as normal type memory only so allow kernel pages > > > > to be registered as shared memory with OP-TEE. > > > > > > > > Signed-off-by: Sumit Garg > > > > > > Just out of pure interest why this was not allowed before? > > > > Please spare me and ignore that one :-) Obviouslly because it > > was not used. > > > > Acked-by: Jarkko Sakkinen > > Actually, > > Reviewed-by: Jarkko Sakkinen > Thanks. -Sumit > /Jarkko