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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 1EB0FC10DCE for ; Wed, 18 Mar 2020 19:40:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0209C20772 for ; Wed, 18 Mar 2020 19:40:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726638AbgCRTkG (ORCPT ); Wed, 18 Mar 2020 15:40:06 -0400 Received: from mga01.intel.com ([192.55.52.88]:2241 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726631AbgCRTkG (ORCPT ); Wed, 18 Mar 2020 15:40:06 -0400 IronPort-SDR: zvwUTU5ojs6hT/Jk32/ORkDjVP1kf2aulqajYiOr+Tbt0tAwmbGS5EVcHM7b5F5rlfVdjUkjdp bji3aJ8dhW1Q== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Mar 2020 12:40:06 -0700 IronPort-SDR: Or19tXFDy8oaTOf4+0jP9YYUZ4XOkH3lGkAW2JYEoWD36mPuX44SjcK0Fc1PvuDC2amBYJoVgi bN9sEtSGBHCw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,568,1574150400"; d="scan'208";a="391555940" Received: from mbeldzik-mobl.ger.corp.intel.com (HELO localhost) ([10.252.55.127]) by orsmga004.jf.intel.com with ESMTP; 18 Mar 2020 12:40:03 -0700 Date: Wed, 18 Mar 2020 21:40:02 +0200 From: Jarkko Sakkinen To: Sean Christopherson Cc: linux-sgx@vger.kernel.org Subject: Re: [PATCH] x86/sgx: Fix deadlock and race conditions between fork() and EPC reclaim Message-ID: <20200318194002.GA48177@linux.intel.com> References: <20200317051539.10447-1-sean.j.christopherson@intel.com> <20200318153903.GA37333@linux.intel.com> <20200318155043.GA37726@linux.intel.com> <20200318160316.GE24357@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200318160316.GE24357@linux.intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Sender: linux-sgx-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sgx@vger.kernel.org On Wed, Mar 18, 2020 at 09:03:16AM -0700, Sean Christopherson wrote: > How on earth is someone doing to dredge up the above information without a > comment? Anyone looking at this code without a priori knowledge of the > development history will assume the missing synchronize_srcu() is a bug. By reading the source code of the driver obviously. /Jarkko