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=-8.4 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 6503CC32792 for ; Thu, 3 Oct 2019 20:56:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3A055215EA for ; Thu, 3 Oct 2019 20:56:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="N2wbjO7z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731053AbfJCU4w (ORCPT ); Thu, 3 Oct 2019 16:56:52 -0400 Received: from mail-pg1-f193.google.com ([209.85.215.193]:37213 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728600AbfJCU4w (ORCPT ); Thu, 3 Oct 2019 16:56:52 -0400 Received: by mail-pg1-f193.google.com with SMTP id p1so684764pgi.4 for ; Thu, 03 Oct 2019 13:56:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=xKarWPt6lvQJGvS6YLjAUhktx3P1H06FEKjY24EE5Jw=; b=N2wbjO7zmQMQz/t4ljgc0TF/ObEvPwnzF1g3g8vfnQ4ia+DVPId7P6OeXnGqHRaGOk WHGiv4/ObZ0KYB4bRoFlH6h4ag7QiuhKTD7/ohoXYA4yImmx2bGROflqjWedJ0aWtGDK 4e1nKlvyrHtP5Ru7mlJMS2wdVNPsOMuZzlb0jF20TYd87TYn+/avUlTMbvtF8S+Q49YN gCtSduE8FBNffOmgDvaqEbmvjeWhHGnwrcMv299mr4fkeKAVTHDARAeanLehxeDAUq79 RwaBb379XDiSFDprzFg3L9E7ARcDq9CnOWozbZyRht8X0Hs1sco0piN/NfJ8KZZ3preQ mtVg== 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=xKarWPt6lvQJGvS6YLjAUhktx3P1H06FEKjY24EE5Jw=; b=sW7fnNFA1/aRpfqwF5d9koIxS8fPke9ENJnis7MVkAeENBXuXn4D7VG224Gj+1zUPH ag+5/HaWWMAjOZUzwoYcYqg5SDn/Tfmpm5Eo9uCAXJ9uZzVJ/2mvICUhw1HAzvQJQs8z c0o+NVw1PVeGZ/tni6YTy1cmkBZ9Sp/2gRdyJyrB9/e/8s/9dESgKhdeFzAExPb/+D7L tFbV0w65G1GJEWzKirmrwiqKNsUt/RmbIW0jKTGfV/HvqPbcATlsrQFmNX5YTXgvtU6D 12Ggne09Q9CfPrjQhG0sQUdKldKHZwDSUKyjXGI6bFXvaaeyZsabZ1WFzrAGw98B8cC5 8YFQ== X-Gm-Message-State: APjAAAXTBFRUERYxM4FpNo3gP4gu2tCFV9V9CAgsUyrmaZnPBZYu74Xw r9DHzimKMO6b/MwlK5GW/s5C+jZgN7Ys7EChYVHNvVhB X-Google-Smtp-Source: APXvYqzepTwSLkK7xurMnEnd3RkNLkJ//qnYMQYypNWa2g9ldvI5+aGCn/jYSbxr/9DZIC/Q3+Dyw1SEpDKUCCqRcOU= X-Received: by 2002:a63:d909:: with SMTP id r9mr11434400pgg.381.1570136210748; Thu, 03 Oct 2019 13:56:50 -0700 (PDT) MIME-Version: 1.0 References: <20191003174838.8872-1-vincenzo.frascino@arm.com> <20191003174838.8872-3-vincenzo.frascino@arm.com> <20191003204944.6wuzflqkjdpawzvp@willie-the-truck> In-Reply-To: <20191003204944.6wuzflqkjdpawzvp@willie-the-truck> From: Nick Desaulniers Date: Thu, 3 Oct 2019 13:56:39 -0700 Message-ID: Subject: Re: [PATCH v5 2/6] arm64: vdso32: Detect binutils support for dmb ishld To: Will Deacon , Vincenzo Frascino Cc: Linux ARM , LKML , Ard Biesheuvel , Catalin Marinas , Thomas Gleixner , Andy Lutomirski 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, Oct 3, 2019 at 1:49 PM Will Deacon wrote: > > On Thu, Oct 03, 2019 at 01:18:16PM -0700, Nick Desaulniers wrote: > > On Thu, Oct 3, 2019 at 10:48 AM Vincenzo Frascino > > wrote: > > > > > > Older versions of binutils that do not support certain types of memory > > > barriers can cause build failure of the vdso32 library. > > > > Do you know specific version numbers of binutils that are affected? > > May be helpful to have in the commit message just for future > > travelers. > > A quick bit of archaeology suggests e797f7e0b2be added this back in 2012, > which seems to correlate with the 2.24 release. Cool, thanks for digging. Vincenzo, can we please add that to the commit message? -- Thanks, ~Nick Desaulniers 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=DKIMWL_WL_HIGH, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,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 C12FFC10F14 for ; Thu, 3 Oct 2019 20:56:58 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 948932133F for ; Thu, 3 Oct 2019 20:56:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="tzJbdP6S"; 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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=xKarWPt6lvQJGvS6YLjAUhktx3P1H06FEKjY24EE5Jw=; b=dZu044+biLxvTtJuAZPyL77DO18J89Cbp68rbV//0LQX2/jtOipNR/j6BLTho+JyvK lYFWDAG2lRvoBvv9w6w5r8YzpBcUszU/5X6YLSn7N2j/55eEjdzfgDO430m141BwHwbi W1vzOelpcoCD0QA7+/0Ued72pmMH6sZuIw2MYt/z2LeuSfbvzHl42ZFETAaq/m0PnyT9 p/HPJ1bkkvyFANCx+h38H2WICnIzlDh6NaQHJaoTBs2VEDfSJgBgs2dEDEFLBipJ2Cq6 /UXYJGiwfxSHrkXHkeY13qfBMP2JjBADKQleR42CVUw28YU2c2f5TR3I1onfLTK+aeWq 5Adg== X-Gm-Message-State: APjAAAUfNCBArQ1caL3MRFdGarz3mHwN1IKcrBrM72tcI0LW1H9IdIQH wEnu0e6G3jsNUNtsFOHISDYOtLzg3b4y3MALHrctMg== X-Google-Smtp-Source: APXvYqzepTwSLkK7xurMnEnd3RkNLkJ//qnYMQYypNWa2g9ldvI5+aGCn/jYSbxr/9DZIC/Q3+Dyw1SEpDKUCCqRcOU= X-Received: by 2002:a63:d909:: with SMTP id r9mr11434400pgg.381.1570136210748; Thu, 03 Oct 2019 13:56:50 -0700 (PDT) MIME-Version: 1.0 References: <20191003174838.8872-1-vincenzo.frascino@arm.com> <20191003174838.8872-3-vincenzo.frascino@arm.com> <20191003204944.6wuzflqkjdpawzvp@willie-the-truck> In-Reply-To: <20191003204944.6wuzflqkjdpawzvp@willie-the-truck> From: Nick Desaulniers Date: Thu, 3 Oct 2019 13:56:39 -0700 Message-ID: Subject: Re: [PATCH v5 2/6] arm64: vdso32: Detect binutils support for dmb ishld To: Will Deacon , Vincenzo Frascino X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191003_135653_197560_D90EDF59 X-CRM114-Status: GOOD ( 11.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ard Biesheuvel , Catalin Marinas , LKML , Andy Lutomirski , Thomas Gleixner , Linux ARM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Oct 3, 2019 at 1:49 PM Will Deacon wrote: > > On Thu, Oct 03, 2019 at 01:18:16PM -0700, Nick Desaulniers wrote: > > On Thu, Oct 3, 2019 at 10:48 AM Vincenzo Frascino > > wrote: > > > > > > Older versions of binutils that do not support certain types of memory > > > barriers can cause build failure of the vdso32 library. > > > > Do you know specific version numbers of binutils that are affected? > > May be helpful to have in the commit message just for future > > travelers. > > A quick bit of archaeology suggests e797f7e0b2be added this back in 2012, > which seems to correlate with the 2.24 release. Cool, thanks for digging. Vincenzo, can we please add that to the commit message? -- Thanks, ~Nick Desaulniers _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel