From patchwork Thu Jan 12 09:58:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Guo Ren X-Patchwork-Id: 13097740 X-Patchwork-Delegate: palmer@dabbelt.com 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 3B945C54EBD for ; Thu, 12 Jan 2023 09:59:54 +0000 (UTC) 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:References:In-Reply-To: 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: List-Owner; bh=4ocBvvX8nFpIp1e/UL1/gurMpmQiDLBUbSvxK2sQ7pE=; b=pV/rGEjyoQtqqr c6pHS4tny7NnoGm8Q/jGTZuorcpiV9YUqRzp4YytSkrfEbSyiAmIxpO4ghz98gFK96grKMK5Gz8BG QnAo/4U0roOC59pZoTO+0cHasYhUQPi6GyXSCw9QL1fxUpHe9rxsjxmG8CNgEIguCgUnqq01Km48/ ZyDz35H4PGFt0EtFkO6SbokmxQ7VoyYfSE7G3aTgdag57ZaBZA/0angyRS3dly1nvUZUaEAI+5JRd LsqAhkUANpVCSMFmnPxpHAQ6F+0J8vOzuINIAUyF2x37qGDScNR+DzRAP/D/KqPYKb29nl0wFBMdI Mp2PurRMtdTxx89inurw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pFuN8-00EUKe-9P; Thu, 12 Jan 2023 09:59:46 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pFuN5-00EUIR-6d for linux-riscv@lists.infradead.org; Thu, 12 Jan 2023 09:59:44 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id A834F61FCF; Thu, 12 Jan 2023 09:59:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AF675C433F0; Thu, 12 Jan 2023 09:59:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1673517582; bh=ibXELA1fPqv+k0h/D45FA6m8vJh/UThmM0vYia8LTnk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iuY6gF2Jfq9xpHEK7nZD9JnxGSNLP6VuNqLWvjqP8PKVEfruRB9txD2jHHU99+30A 0lR0a/Giw1GXu9SxOmUr3PVrdpnEvFz7eVoMudgPYAKfXrfghwfu+I9AYgq3NJcbWX gLNzRoGCsX0qJHpxp1M2BlyCYzJUEPBAPFS5cvgPfjswR3UcqWi5oCCC6P/YkeRnfp sZFn8dY6aF78Wi3bNtsQBs5RMZjPfDo5h+QQaYG+E0oX3ccJErVUvwOeFExndLfKyR 1XHcy8F1nnx+VVJtSnGRKTG/ayof52G2hwwPOEtOxpYobCltwkFkxYAXTSVyPxo+OR vUI/kd9vvCAEw== From: guoren@kernel.org To: arnd@arndb.de, guoren@kernel.org, palmer@rivosinc.com, tglx@linutronix.de, peterz@infradead.org, luto@kernel.org, conor.dooley@microchip.com, heiko@sntech.de, jszhang@kernel.org, lazyparser@gmail.com, falcon@tinylab.org, chenhuacai@kernel.org, apatel@ventanamicro.com, atishp@atishpatra.org, mark.rutland@arm.com, ben@decadent.org.uk, bjorn@kernel.org Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= Subject: [PATCH -next V14 5/7] riscv: entry: Remove extra level wrappers of trace_hardirqs_{on,off} Date: Thu, 12 Jan 2023 04:58:46 -0500 Message-Id: <20230112095848.1464404-6-guoren@kernel.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20230112095848.1464404-1-guoren@kernel.org> References: <20230112095848.1464404-1-guoren@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230112_015943_430268_1515059D X-CRM114-Status: GOOD ( 12.74 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Jisheng Zhang Since riscv is converted to generic entry, there's no need for the extra wrappers of trace_hardirqs_{on,off}. Signed-off-by: Jisheng Zhang Reviewed-by: Guo Ren Reviewed-by: Björn Töpel Tested-by: Guo Ren Signed-off-by: Guo Ren --- arch/riscv/kernel/Makefile | 2 -- arch/riscv/kernel/trace_irq.c | 27 --------------------------- arch/riscv/kernel/trace_irq.h | 11 ----------- 3 files changed, 40 deletions(-) delete mode 100644 arch/riscv/kernel/trace_irq.c delete mode 100644 arch/riscv/kernel/trace_irq.h diff --git a/arch/riscv/kernel/Makefile b/arch/riscv/kernel/Makefile index 4cf303a779ab..392fa6e35d4a 100644 --- a/arch/riscv/kernel/Makefile +++ b/arch/riscv/kernel/Makefile @@ -68,8 +68,6 @@ obj-$(CONFIG_CPU_PM) += suspend_entry.o suspend.o obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o obj-$(CONFIG_DYNAMIC_FTRACE) += mcount-dyn.o -obj-$(CONFIG_TRACE_IRQFLAGS) += trace_irq.o - obj-$(CONFIG_PERF_EVENTS) += perf_callchain.o obj-$(CONFIG_HAVE_PERF_REGS) += perf_regs.o obj-$(CONFIG_RISCV_SBI) += sbi.o diff --git a/arch/riscv/kernel/trace_irq.c b/arch/riscv/kernel/trace_irq.c deleted file mode 100644 index 095ac976d7da..000000000000 --- a/arch/riscv/kernel/trace_irq.c +++ /dev/null @@ -1,27 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (C) 2022 Changbin Du - */ - -#include -#include -#include "trace_irq.h" - -/* - * trace_hardirqs_on/off require the caller to setup frame pointer properly. - * Otherwise, CALLER_ADDR1 might trigger an pagging exception in kernel. - * Here we add one extra level so they can be safely called by low - * level entry code which $fp is used for other purpose. - */ - -void __trace_hardirqs_on(void) -{ - trace_hardirqs_on(); -} -NOKPROBE_SYMBOL(__trace_hardirqs_on); - -void __trace_hardirqs_off(void) -{ - trace_hardirqs_off(); -} -NOKPROBE_SYMBOL(__trace_hardirqs_off); diff --git a/arch/riscv/kernel/trace_irq.h b/arch/riscv/kernel/trace_irq.h deleted file mode 100644 index 99fe67377e5e..000000000000 --- a/arch/riscv/kernel/trace_irq.h +++ /dev/null @@ -1,11 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (C) 2022 Changbin Du - */ -#ifndef __TRACE_IRQ_H -#define __TRACE_IRQ_H - -void __trace_hardirqs_on(void); -void __trace_hardirqs_off(void); - -#endif /* __TRACE_IRQ_H */