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=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=ham 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 D5618C433DB for ; Tue, 9 Feb 2021 19:31:21 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 E7D0664DE8 for ; Tue, 9 Feb 2021 19:31:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E7D0664DE8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=csgroup.eu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4DZtKy2kx4zDrbd for ; Wed, 10 Feb 2021 06:31:18 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=csgroup.eu (client-ip=93.17.236.30; helo=pegase1.c-s.fr; envelope-from=christophe.leroy@csgroup.eu; receiver=) Received: from pegase1.c-s.fr (pegase1.c-s.fr [93.17.236.30]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4DZtJ11H5CzDsdK for ; Wed, 10 Feb 2021 06:29:32 +1100 (AEDT) Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 4DZtHq1pzDz9v022; Tue, 9 Feb 2021 20:29:27 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id BSGrLhm21DSi; Tue, 9 Feb 2021 20:29:27 +0100 (CET) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 4DZtHq0tBCz9v021; Tue, 9 Feb 2021 20:29:27 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 10A358B7EA; Tue, 9 Feb 2021 20:29:27 +0100 (CET) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id SfL1QxCWtiXO; Tue, 9 Feb 2021 20:29:27 +0100 (CET) Received: from po16121vm.idsi0.si.c-s.fr (unknown [192.168.4.90]) by messagerie.si.c-s.fr (Postfix) with ESMTP id D386D8B764; Tue, 9 Feb 2021 20:29:26 +0100 (CET) Received: by po16121vm.idsi0.si.c-s.fr (Postfix, from userid 0) id 91BAC67382; Tue, 9 Feb 2021 19:29:26 +0000 (UTC) Message-Id: From: Christophe Leroy Subject: [PATCH v6 0/2] powerpc/32: Implement C syscall entry/exit (complement) To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , npiggin@gmail.com, msuchanek@suse.de Date: Tue, 9 Feb 2021 19:29:26 +0000 (UTC) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This series implements C syscall entry/exit for PPC32. It reuses the work already done for PPC64. This series is based on today's next-test (f538b53fd47a) where main patchs from v5 are merged in. The first patch is important for performance. v6: - Forced scv param to 0 on syscall_exit_prepare(), and added is_not_scv bool. - Reworked the last patch to avoid code duplication. Christophe Leroy (2): powerpc/syscall: Do not check unsupported scv vector on PPC32 powerpc/32: Handle bookE debugging in C in syscall entry/exit arch/powerpc/include/asm/interrupt.h | 12 +++++++ arch/powerpc/include/asm/ptrace.h | 5 +++ arch/powerpc/include/asm/reg_booke.h | 3 ++ arch/powerpc/kernel/entry_32.S | 7 ---- arch/powerpc/kernel/head_32.h | 15 --------- arch/powerpc/kernel/head_booke.h | 19 ----------- arch/powerpc/kernel/interrupt.c | 50 ++++++++++++++++++---------- 7 files changed, 52 insertions(+), 59 deletions(-) -- 2.25.0