From patchwork Tue Jun 25 09:27:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13710802 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 92B2CC30653 for ; Tue, 25 Jun 2024 09:25:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:To:From: Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=PZcZ8HEtTMV1vetTEsJFgtdwRQhuEjbOQSy5R29dyKw=; b=fHV0KD0tqXoY3Y nqdqTy0ALDa+N704j7SUr6t0irl/JlQIze76OFJ4b9ZbQV5GMeWKVq8/wZteHkLUY/6KtI3FZd23Z 3DisbW+ceQ9EEVd8zAAgWUcpKva84jiO7KlBrIzWRTAbxdl51Lbq4VrmbuOoJUYB735jv0af00aum AP5/xu5Yll/e+UYY8sfO+ZQbluSxprfXolXMm3IjBitGe+qtRhulpVkDmUyNLNBYWckiKrNtSEkqn CoutuY1yTQkcIEHch35CCJvfuywhbekHUeIE2+pgd60YA9yez0sEAC7eJNlgqcHY8YoSwKtDm8cjY mKWfuLRuMXpUGHXPe6Vw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sM2QV-00000002GR5-19j3; Tue, 25 Jun 2024 09:25:23 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sM2QI-00000002GM9-3kM7 for linux-arm-kernel@lists.infradead.org; Tue, 25 Jun 2024 09:25:13 +0000 Received: from mail.maildlp.com (unknown [172.19.88.234]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4W7fT76qW3z2CkbL; Tue, 25 Jun 2024 17:20:59 +0800 (CST) Received: from kwepemi100008.china.huawei.com (unknown [7.221.188.57]) by mail.maildlp.com (Postfix) with ESMTPS id 053C7140360; Tue, 25 Jun 2024 17:24:59 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemi100008.china.huawei.com (7.221.188.57) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Tue, 25 Jun 2024 17:24:58 +0800 From: Jinjie Ruan To: , , , , , , , , , , , , , , , , , Subject: [PATCH 0/3] arm64: entry: Convert to generic entry Date: Tue, 25 Jun 2024 17:27:56 +0800 Message-ID: <20240625092759.1533875-1-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To kwepemi100008.china.huawei.com (7.221.188.57) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240625_022511_118588_8F57A125 X-CRM114-Status: UNSURE ( 7.99 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Currently, x86, Riscv, Loongarch use the generic entry. Convert arm64 to use the generic entry infrastructure from kernel/entry/*. The generic entry makes maintainers' work easier and codes more elegant, which aslo removed a lot of duplicate code. Jinjie Ruan (3): entry: Add some arch funcs to support arm64 to use generic entry arm64: Prepare to switch to generic entry arm64: entry: Convert to generic entry arch/arm64/Kconfig | 1 + arch/arm64/include/asm/entry-common.h | 60 +++++ arch/arm64/include/asm/ptrace.h | 5 + arch/arm64/include/asm/stacktrace.h | 5 +- arch/arm64/include/asm/syscall.h | 6 +- arch/arm64/include/asm/thread_info.h | 23 +- arch/arm64/kernel/entry-common.c | 355 ++++++-------------------- arch/arm64/kernel/ptrace.c | 78 +++--- arch/arm64/kernel/signal.c | 3 +- arch/arm64/kernel/syscall.c | 18 +- include/linux/entry-common.h | 51 ++++ kernel/entry/common.c | 49 +++- 12 files changed, 294 insertions(+), 360 deletions(-) create mode 100644 arch/arm64/include/asm/entry-common.h Tested-by: Kees Cook