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: 1821208 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org; envelope-from=linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=xXxSywYY; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=n4Fd5ZJ5; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RPt155kNRz1yfb for ; Tue, 15 Aug 2023 10:48:25 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=roUfZUMzK4mxLBTozBv0FZfzSiDYGGWhq3JwUOf195A=; b=xXxSywYYNpAB4t DnA8HYWk47EclgnMEmVObnnKeQRHVkjR5zr8bCvhY4NP7moz7gkE2XeJV9nRTKDCOkfMXjmfauvDH 5XxGCG1TEM+wan7RpkIBxLCpJVreVohuQ1CMh1Fef129omE+uTmbtJLD78eIOT+qJ+Bngkmh8R/73 8tZnFc7HJFLopGA0ft/ALsi59a3j1AxOBgRe6pBpt0lu3tzTM4asWr089efsc1ajDDcE7kZGwMkqT JrkDgePPbbYwUD8/o8QK0lvlSBANqg/oddxO6rgOwW8W40bzGAN80Rsn77XVEsRii9TexIEXZUYI+ S5n3ptOdiDk8pT1J8XtQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qViEQ-000cVg-2m; Tue, 15 Aug 2023 00:48:22 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qViEN-000cTV-1p for linux-snps-arc@lists.infradead.org; Tue, 15 Aug 2023 00:48:20 +0000 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 DE0A06307C; 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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230814_174819_708212_B61B60EC X-CRM114-Status: UNSURE ( 9.16 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.7 (--) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: 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 [...] Content analysis details: (-2.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [2604:1380:4641:c500:0:0:0:1 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.2 DKIMWL_WL_HIGH DKIMwl.org - High trust sender X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org 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