From patchwork Tue Aug 15 00:47:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vineet Gupta X-Patchwork-Id: 13642 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:a888:0:b0:3f2:4152:657d with SMTP id x8csp1029819vqo; Wed, 16 Aug 2023 04:10:50 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHVMxbekNuLphOXmv9LmtDi8Fsw4s1ze8UKABzwRCZr1nd5sZAdZupI4VXh2+IZfh1+G2br X-Received: by 2002:a05:6a20:5485:b0:13e:7a0a:36d8 with SMTP id i5-20020a056a20548500b0013e7a0a36d8mr2174542pzk.9.1692184249609; Wed, 16 Aug 2023 04:10:49 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1692184249; cv=none; d=google.com; s=arc-20160816; b=x6g1wUufNqtKX/h9ggZSicImiJR4BamDufniT6kNPGOhnHyUk16PfDFPadIVuH1hYm /EZc/svnrjCOKhft0G5ZqDHPH4PO3k2ROQoTXIc++6CFy/6JmSKYymEiGJXZr5K4mC9x VL8/f92nzrt8ZVJ0NuAo5uYbqAP1Y0reYjNqQLd96VLxPeNunbIRB5KpZEgz2d1YP4my 5Sra7bj4lSA6LfThX1xgzsluVzzSfrt66HLplf9MmcpFOK0m6NJH3l4jlJ8D56UV8xZi sfqqRmLZ+YELfSK9BDqXe6hVV2F8AAym8zsNP458oq0hzdFyWR/inZW1k0StwDv2sdC7 F9Qw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=htdSjOdAv1z3G84uYlFqDFCpevMX+vhEd8JdTgWWWto=; fh=pU3/8cu9yvGtRhZz+04fy928CRCHy2kGYoR0fnliYkk=; b=kIklCUgP2WdmcowOIsbqUbs2UYjmAnpoJOjINA+rh3GRlENvMHxnKp8We5kbe3fS6n r42o+JWzF0JThcwrCZUZIJXFPZVY1OJjJpvBNNue9xq2vw4irOsi5+aKUTeyiLsdEnKh zWKlmpsZ5jcPj+mtbOnNq+L1y7N2iJPitQpoMPER7UTkGHuAAPOHuDrHHm6RlEwZ1UYP wzvlrmwBdgBYxhgMGpgn5d4Hr8vwpDqUURgsJqFgy0IUn74JSTxz8Nkw97CfklDosw9n zzJyTbRdLOQwvKjgxS4nETNzgjDbykb+TVlX3ZktSyyFaGAeGOBuHx2RZ5Pz/o3qv/HU B2ow== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=n4Fd5ZJ5; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id a22-20020a63cd56000000b0055bc23bdde5si11715560pgj.176.2023.08.16.04.10.32; Wed, 16 Aug 2023 04:10:49 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=n4Fd5ZJ5; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233602AbjHOAs2 (ORCPT + 99 others); Mon, 14 Aug 2023 20:48:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58094 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233497AbjHOAsU (ORCPT ); Mon, 14 Aug 2023 20:48:20 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5A6341710 for ; Mon, 14 Aug 2023 17:48:19 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E28EF63956 for ; Tue, 15 Aug 2023 00:48:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 118E1C433C8; Tue, 15 Aug 2023 00:48:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692060498; bh=bQjACPQgTLx/TQKmDG+Aq74AFzkxKsmGok6rVreNj/I=; h=From:To:Cc:Subject:Date:From; b=n4Fd5ZJ5LrtOvD2vfdvlewuTdwRxuB1BA9+hmJNqLwVUKgQvTpbeNslWmvobh4iZn lbHlT6hfw7xBFww7o0SmLnhc5h2h0Xx+NWh97acnk0PYvNoJ1TyDTMNPZ/2hCRqiXp pnBPx0me2gmq9RPOoWKUrYPS4UaIiB8ExBXYws8LhZUbdujt6dvcLt604W5GXokoDY Lhosa55SqfHhN2Ghnzw8jCskGagTaSlz7IKvOF0nnpZG8bFYZix6IcNJwp4KXawNrY 3DitgqZFM9c2mlyFe9pmEoCTyyN9ihFtU1bTDIVISOEmDAG2Y5RivvFjKZgyFI8Tyu bOK8tdiM5Kxgw== From: Vineet Gupta To: linux-snps-arc@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Shahab Vahedi , Alexey Brodkin , Vineet Gupta Subject: [PATCH 00/20] ARC updates Date: Mon, 14 Aug 2023 17:47:53 -0700 Message-Id: <20230815004813.555115-1-vgupta@kernel.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1774383791719033416 X-GMAIL-MSGID: 1774383791719033416 Hi, This is a pile of miscll improvements/updates sitting in one of my local trees. Given the recent warning fix, we coudl also push them out. @Alexey, @Shahab: care to give these a spin on hsdk (and test ARC700 build/boot on nSIM if possible). Thx, -Vineet Vineet Gupta (20): ARC: uaccess: remove arc specific out-of-line handles for -Os ARC: uaccess: use optimized generic __strnlen_user/__strncpy_from_user ARC: uaccess: elide unaliged handling if hardware supports ARCv2: memset: don't prefetch for len == 0 which happens a alot ARC: boot log: eliminate struct cpuinfo_arc #1: mm ARC: boot log: eliminate struct cpuinfo_arc #2: cache ARC: boot log: eliminate struct cpuinfo_arc #3: don't export ARC: boot log: eliminate struct cpuinfo_arc #4: boot log per ISA ARC: entry: use gp to cache task pointer (vs. r25) ARC: kernel stack: INIT_THREAD need not setup @init_stack in @ksp ARC: __switch_to: asm with dwarf ops (vs. inline asm) ARC: __switch_to: move ksp to thread_info from thread_struct ARC: entry: rework (non-functional) ARC: entry: ARcompact EV_ProtV to use r10 directly ARC: entry: EV_MachineCheck dont re-read ECR ARC: entry: Add more common chores to EXCEPTION_PROLOGUE ARC: entry: replace 8 byte OR with 4 byte BSET ARC: entry: replace 8 byte ADD.ne with 4 byte ADD2.ne ARCv2: entry: rearrange pt_regs slightly ARC: pt_regs: create seperate type for ecr arch/arc/Kconfig | 8 +- arch/arc/Makefile | 6 +- arch/arc/include/asm/arcregs.h | 99 ++--- arch/arc/include/asm/current.h | 2 +- arch/arc/include/asm/dwarf.h | 32 +- arch/arc/include/asm/entry-arcv2.h | 66 ++-- arch/arc/include/asm/entry-compact.h | 50 ++- arch/arc/include/asm/entry.h | 107 ++--- arch/arc/include/asm/processor.h | 7 +- arch/arc/include/asm/ptrace.h | 62 ++- arch/arc/include/asm/setup.h | 6 +- arch/arc/include/asm/thread_info.h | 10 +- arch/arc/include/asm/uaccess.h | 21 +- arch/arc/kernel/Makefile | 9 +- arch/arc/kernel/asm-offsets.c | 14 +- arch/arc/kernel/ctx_sw.c | 112 ------ arch/arc/kernel/ctx_sw_asm.S | 76 ++-- arch/arc/kernel/entry-arcv2.S | 15 - arch/arc/kernel/entry-compact.S | 16 +- arch/arc/kernel/entry.S | 70 ++-- arch/arc/kernel/kgdb.c | 2 +- arch/arc/kernel/mcip.c | 2 - arch/arc/kernel/process.c | 17 +- arch/arc/kernel/ptrace.c | 8 +- arch/arc/kernel/setup.c | 561 ++++++++++++--------------- arch/arc/kernel/traps.c | 4 +- arch/arc/kernel/troubleshoot.c | 13 +- arch/arc/lib/memset-archs.S | 3 +- arch/arc/mm/cache.c | 171 +++----- arch/arc/mm/extable.c | 11 - arch/arc/mm/fault.c | 6 +- arch/arc/mm/tlb.c | 94 ++--- 32 files changed, 667 insertions(+), 1013 deletions(-) delete mode 100644 arch/arc/kernel/ctx_sw.c Tested-by: Pavel Kozlov