Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp2967320pxf; Sun, 4 Apr 2021 22:25:30 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyc7PhKa5VN42TorODFXhJBzSr/CxqhKLlxsdAzC9HUroS6NH49K4ydWSlTIE3AQsfedqsy X-Received: by 2002:a05:6e02:148f:: with SMTP id n15mr2190636ilk.265.1617600330624; Sun, 04 Apr 2021 22:25:30 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1617600330; cv=none; d=google.com; s=arc-20160816; b=KGhA0z8q/9inU3qIkhCfBOFRbzibmLQGyRPUvzLEMrDEeHUxUPfdHX3McWFM14CRD3 v683WfnON0Emx5cLXTpbyI4y++VOZhnuXaOd/OALYDithlAVkNuGrHrNO0wI1GC/f28A j/djXJ5UE2W/+lHbKwcBS2Ysry2nU7NDLpLo2+zeeDoRL0J5VsZ/RjT2TgeM/blW4dHz KDRtE/zrlTfgLdbdpVyAmRs4FtC8p7DhOxR+cNyINGTyT8aujHj/DkNPOB/LGlaxs08A EmAtmZ+MspG957rsZ79zR+kIpQAbjN3nDT7QKLkjWsIxqdeEpIo7vUiy9Fn0eVCq+bHd Bmnw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=kK15QIzlv37/lctPxHTH0/oV3sSKj5dMjOshVvLQYOY=; b=n/lsMkP9qxYXk0ckDcjcuToRMnjGRcRWGNsoo80My7XCpQo98pPvoMKa7EiWYy/jXP +49qe5qLJLoy188DwSgyM10Ci/6lPnsvsWc5IUdF7jW30byaRCQp01yliEcdtvIybU7k w42HEET8ZfGuixtd++HYcZnWbS3j7bMeTd84+Jvg7KHuKl7cdUH19i/LdMPQzuWMhMVS wv697U1nmGhvSGlTEV2MgOhZhq+2BpDrw4KKYBAlp/gvu5w3Qg7Vh3CN+70J09Z+JSaR +wn+q+CAd5az5gJLVlK0Map1ItCoTpqDo4x7aVuD43njjseoNroi2xELYtxFSZq5qoAk VELg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=gyKml+bu; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id l2si14365462ios.47.2021.04.04.22.25.07; Sun, 04 Apr 2021 22:25:30 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=gyKml+bu; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231888AbhDEFCi (ORCPT + 99 others); Mon, 5 Apr 2021 01:02:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58834 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230036AbhDEFCh (ORCPT ); Mon, 5 Apr 2021 01:02:37 -0400 Received: from mail-pl1-x62c.google.com (mail-pl1-x62c.google.com [IPv6:2607:f8b0:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 73A16C061756; Sun, 4 Apr 2021 22:02:32 -0700 (PDT) Received: by mail-pl1-x62c.google.com with SMTP id e10so752922pls.6; Sun, 04 Apr 2021 22:02:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=kK15QIzlv37/lctPxHTH0/oV3sSKj5dMjOshVvLQYOY=; b=gyKml+buuchIf9zLiJIVWS/8SzsE3vie/q8RjjEKEoC9X5+eK9qAKzMKWxOYqpa4Up KpOAS0eXBL4aKv45eMa8N2NmSLc7tkb95RWRZaSoIH63ICZJNPXiEDntozIZhUQWK8rc g9ZOcHM/sKjaEi6WkL/IIcYMgVo73TwCNZ4yx9PdUK4U8kylnrx8RzWbLKyHqZnvQuzh Nkb8LsqnLU+RcWB0segCj3iV9VZu/Lza0exBAOkpAmmIPtm0WySWJKmmNPTLLk66UDa9 C2fC5gvawj5GdnFEj3dCRwmrpDkNOxat2bkijMxV0wYXkDBeDmTecx9/puNx8TNvs+zS JF7A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=kK15QIzlv37/lctPxHTH0/oV3sSKj5dMjOshVvLQYOY=; b=crOKtCcXZPUa9jv6EP4giL5J+Oqbb8zAmEE48gpcgvgmDFXxMrxaa7N3SgoclZ3rIv ETTp8f6ynLPoY/j/yaGI7y/Nz0k6j5tZyWdP/PccJey/HrYIc/692XXzMPE7Ja5/fCIl OvyBLkulPSsP+xqbpZzd8Lp7B/xT8JdoiLlJG7aDh89hBAZd0Km3QMimsNC34P44oMTL R7l1AcdeGEWHa+NfeA9S5fo8JB6wl5OyQTutDYQsxlUUSRhOM0Os3LKT5xHEjB2/2332 2gPNuzvtntrbY5LAytJZ+DoXEzzcwIFNpT9Qe96I/l43GLZXVL7U8JWnTmwtL4QPmy9N K2Hw== X-Gm-Message-State: AOAM530egbJDVlzU/w36ABa1x8TLiysPsK6DoJqp1CnoIO6XV1O/KZpI slunrs0FGhdRiqrQdyN6ljY7A0J9yD6lxw== X-Received: by 2002:a17:902:7b90:b029:e6:f01d:9db2 with SMTP id w16-20020a1709027b90b02900e6f01d9db2mr22475666pll.69.1617598951642; Sun, 04 Apr 2021 22:02:31 -0700 (PDT) Received: from gmail.com ([2601:600:8500:5f14:d627:c51e:516e:a105]) by smtp.gmail.com with ESMTPSA id 14sm14227119pfl.1.2021.04.04.22.02.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 04 Apr 2021 22:02:31 -0700 (PDT) Date: Sun, 4 Apr 2021 22:00:05 -0700 From: Andrei Vagin To: Christophe Leroy Cc: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, dima@arista.com, arnd@arndb.de, tglx@linutronix.de, vincenzo.frascino@arm.com, luto@kernel.org, linux-arch@vger.kernel.org Subject: Re: [PATCH RESEND v1 2/4] lib/vdso: Add vdso_data pointer as input to __arch_get_timens_vdso_data() Message-ID: References: <539c4204b1baa77c55f758904a1ea239abbc7a5c.1617209142.git.christophe.leroy@csgroup.eu> MIME-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline In-Reply-To: <539c4204b1baa77c55f758904a1ea239abbc7a5c.1617209142.git.christophe.leroy@csgroup.eu> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 31, 2021 at 04:48:45PM +0000, Christophe Leroy wrote: > For the same reason as commit e876f0b69dc9 ("lib/vdso: Allow > architectures to provide the vdso data pointer"), powerpc wants to > avoid calculation of relative position to code. > > As the timens_vdso_data is next page to vdso_data, provide > vdso_data pointer to __arch_get_timens_vdso_data() in order > to ease the calculation on powerpc in following patches. > Acked-by: Andrei Vagin > Signed-off-by: Christophe Leroy