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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 0C918C433B4 for ; Mon, 12 Apr 2021 12:48:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D698161261 for ; Mon, 12 Apr 2021 12:48:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241469AbhDLMsa (ORCPT ); Mon, 12 Apr 2021 08:48:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60820 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239855AbhDLMs2 (ORCPT ); Mon, 12 Apr 2021 08:48:28 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 68A43C061574; Mon, 12 Apr 2021 05:48:09 -0700 (PDT) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1618231686; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to; bh=msG8qht51owt3dOAb8bO2Q/JGreHFsZAw+taKjc/k/0=; b=ttKtKfHTkJMwc/7gd8FTEtSE7z6D37j94Fd9vBOq7/5KqXfG2VdD2seAIKa2ZxaQ4sr7+l nGov0CrV1JbRb/6kaL2bDGO5CNfBL55UWrXwSPTp/4omJnPFHeNed6WfSyqWBQ3KmL3ynH newr6bQfGxD9dMNXt6q5i0rz6hRhJHgMjhz3FnJwvjooffnIE6uwtqgu01N6O1OqwKInHm zkc7OCVHrlvOtjOeaZrixX0yZlVwt194a6ixyUZ9nJP1DJjxf/uBUshsd+nV+d7HP3FQNj 5oqdCabdmEpESdF41ciIKsY2CEGM6wPLhZWSPSB0fik0mvawW34S24fH2eHTaw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1618231686; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to; bh=msG8qht51owt3dOAb8bO2Q/JGreHFsZAw+taKjc/k/0=; b=rsZEHxCyPYPtlclpxkmK9d9/VTx1jx273GBJjXOqpEEbmozWkgV2sLzK2xydvH3QpabVRr WclALlc+a7gZW9Ag== To: Christophe Leroy , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, dima@arista.com, avagin@gmail.com, arnd@arndb.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() In-Reply-To: <539c4204b1baa77c55f758904a1ea239abbc7a5c.1617209142.git.christophe.leroy@csgroup.eu> Date: Mon, 12 Apr 2021 14:48:06 +0200 Message-ID: <87pmyz1xfd.ffs@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 31 2021 at 16:48, 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. > > Signed-off-by: Christophe Leroy Reviewed-by: Thomas Gleixner