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=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 F1CFAC282C8 for ; Mon, 28 Jan 2019 11:13:45 +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 68DD8214DA for ; Mon, 28 Jan 2019 11:13:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=c-s.fr header.i=@c-s.fr header.b="mAcXrpZI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 68DD8214DA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=c-s.fr Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 43p6Sl2Q6MzDqG0 for ; Mon, 28 Jan 2019 22:13:43 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=c-s.fr (client-ip=93.17.236.30; helo=pegase1.c-s.fr; envelope-from=christophe.leroy@c-s.fr; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=c-s.fr Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=c-s.fr header.i=@c-s.fr header.b="mAcXrpZI"; dkim-atps=neutral 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 43p6Pv21kfzDq5d for ; Mon, 28 Jan 2019 22:11:15 +1100 (AEDT) Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 43p6Ph6Rx4z9v1q7; Mon, 28 Jan 2019 12:11:04 +0100 (CET) Authentication-Results: localhost; dkim=pass reason="1024-bit key; insecure key" header.d=c-s.fr header.i=@c-s.fr header.b=mAcXrpZI; dkim-adsp=pass; dkim-atps=neutral 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 vkPp0Jbr9ZME; Mon, 28 Jan 2019 12:11:04 +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 43p6Ph5KBsz9v1q3; Mon, 28 Jan 2019 12:11:04 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=c-s.fr; s=mail; t=1548673864; bh=ytLGkNdkHVKiARW7imqJr2f7rPUwr//KpcsmbGrquWU=; h=From:Subject:To:Cc:Date:From; b=mAcXrpZIjbZvndt8G7gBmiK/WZkXF9ZMYsH9jzzbD3AaVYyVSYX2hFy94uuBtkbwJ 77f0l28xKTb1U27ESBD1bRM8acYOqU2APHqOaSQtBx4GzgP/bdlG06HSwYFqNPcJlU Apsj3aFrCllFZie4ngNgckcBqHl33Vhl/L64dGSo= Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 300A28B79D; Mon, 28 Jan 2019 12:11:11 +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 Q3Y0li4gsvBD; Mon, 28 Jan 2019 12:11:11 +0100 (CET) Received: from po16846vm.idsi0.si.c-s.fr (po15451.idsi0.si.c-s.fr [172.25.231.2]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 12FFB8B796; Mon, 28 Jan 2019 12:11:11 +0100 (CET) Received: by po16846vm.idsi0.si.c-s.fr (Postfix, from userid 0) id 0518772DE6; Mon, 28 Jan 2019 11:11:10 +0000 (UTC) Message-Id: From: Christophe Leroy Subject: [PATCH 00/11] Refactor exception entry on 40x/6xx/8xx To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Date: Mon, 28 Jan 2019 11:11:10 +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 serie refactors exception entry macros for 40x, 6xx and 8xx This serie will benefit to the implementation of CONFIG_VMAP, and also to Ben's serie on MSR_EE. First patch of this serie is a part of the CONFIG_THREAD_INFO_IN_TASK serie. This avoids a conflict between the two series. Christophe Leroy (11): powerpc/32: Rename THREAD_INFO to TASK_STACK powerpc/32: Refactor EXCEPTION entry macros for head_8xx.S and head_32.S powerpc/32: Add a macro for setting MSR_RI in EXCEPTION_PROLOG_2 powerpc/32: add CLR_MSR_WE() in EXCEPTION_PROLOG in head_32.h powerpc/32: add START_EXCEPTION() in head_32.h powerpc/32: move LOAD_MSR_KERNEL() into head_32.h and use it powerpc/40x: Don't use SPRN_SPRG_SCRATCH2 in EXCEPTION_PROLOG powerpc/40x: add exception frame marker powerpc/40x: Split and rename NORMAL_EXCEPTION_PROLOG powerpc/40x: Add EXC_XFER_TEMPLATE_CRITICAL() powerpc/40x: Refactor exception entry macros by using head_32.h arch/powerpc/kernel/asm-offsets.c | 2 +- arch/powerpc/kernel/entry_32.S | 11 +--- arch/powerpc/kernel/head_32.S | 101 ++-------------------------- arch/powerpc/kernel/head_32.h | 124 +++++++++++++++++++++++++++++++++++ arch/powerpc/kernel/head_40x.S | 120 ++++++++------------------------- arch/powerpc/kernel/head_8xx.S | 103 ++--------------------------- arch/powerpc/kernel/head_booke.h | 4 +- arch/powerpc/kernel/head_fsl_booke.S | 2 +- 8 files changed, 167 insertions(+), 300 deletions(-) create mode 100644 arch/powerpc/kernel/head_32.h -- 2.13.3