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=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 E975FC5ACD6 for ; Tue, 17 Mar 2020 17:52:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C60AE20714 for ; Tue, 17 Mar 2020 17:52:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726813AbgCQRwd (ORCPT ); Tue, 17 Mar 2020 13:52:33 -0400 Received: from foss.arm.com ([217.140.110.172]:41096 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726148AbgCQRwd (ORCPT ); Tue, 17 Mar 2020 13:52:33 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B6A8831B; Tue, 17 Mar 2020 10:52:32 -0700 (PDT) Received: from arrakis.emea.arm.com (arrakis.cambridge.arm.com [10.1.196.71]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id C112E3F67D; Tue, 17 Mar 2020 10:52:29 -0700 (PDT) Date: Tue, 17 Mar 2020 17:52:27 +0000 From: Catalin Marinas To: Vincenzo Frascino Cc: linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, linux-mips@vger.kernel.org, x86@kernel.org, Will Deacon , Arnd Bergmann , Russell King , Paul Burton , Thomas Gleixner , Andy Lutomirski , Ingo Molnar , Borislav Petkov , Stephen Boyd , Mark Salyzyn , Kees Cook , Peter Collingbourne , Dmitry Safonov <0x7f454c46@gmail.com>, Andrei Vagin , Nick Desaulniers , Marc Zyngier , Mark Rutland , Will Deacon Subject: Re: [PATCH v4 19/26] arm64: Introduce asm/vdso/processor.h Message-ID: <20200317175227.GF632169@arrakis.emea.arm.com> References: <20200317122220.30393-1-vincenzo.frascino@arm.com> <20200317122220.30393-20-vincenzo.frascino@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200317122220.30393-20-vincenzo.frascino@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 17, 2020 at 12:22:13PM +0000, Vincenzo Frascino wrote: > The vDSO library should only include the necessary headers required for > a userspace library (UAPI and a minimal set of kernel headers). To make > this possible it is necessary to isolate from the kernel headers the > common parts that are strictly necessary to build the library. > > Introduce asm/vdso/processor.h to contain all the arm64 specific > functions that are suitable for vDSO inclusion. > > Cc: Catalin Marinas > Cc: Will Deacon > Signed-off-by: Vincenzo Frascino This patch looks fine, though it depends on the previous discussion on compat ABI compatibility. Acked-by: Catalin Marinas