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=-17.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 0F125C64E7C for ; Wed, 2 Dec 2020 11:58:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9F5F022206 for ; Wed, 2 Dec 2020 11:58:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726745AbgLBL6b (ORCPT ); Wed, 2 Dec 2020 06:58:31 -0500 Received: from mail.kernel.org ([198.145.29.99]:37784 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726005AbgLBL6b (ORCPT ); Wed, 2 Dec 2020 06:58:31 -0500 From: Frederic Weisbecker Authentication-Results: mail.kernel.org; dkim=permerror (bad message/signature format) To: Thomas Gleixner , Peter Zijlstra Cc: LKML , Frederic Weisbecker , Tony Luck , Vasily Gorbik , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Christian Borntraeger , Fenghua Yu , Heiko Carstens Subject: [PATCH 1/5] sched/cputime: Remove symbol exports from IRQ time accounting Date: Wed, 2 Dec 2020 12:57:28 +0100 Message-Id: <20201202115732.27827-2-frederic@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201202115732.27827-1-frederic@kernel.org> References: <20201202115732.27827-1-frederic@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org account_irq_enter_time() and account_irq_exit_time() are not called from modules. EXPORT_SYMBOL_GPL() can be safely removed from the IRQ cputime accounting functions called from there. Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Tony Luck Cc: Fenghua Yu Cc: Michael Ellerman Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Heiko Carstens Cc: Vasily Gorbik Cc: Christian Borntraeger --- arch/s390/kernel/vtime.c | 10 +++++----- kernel/sched/cputime.c | 2 -- 2 files changed, 5 insertions(+), 7 deletions(-) diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c index 8df10d3c8f6c..f9f2a11958a5 100644 --- a/arch/s390/kernel/vtime.c +++ b/arch/s390/kernel/vtime.c @@ -226,7 +226,7 @@ void vtime_flush(struct task_struct *tsk) * Update process times based on virtual cpu times stored by entry.S * to the lowcore fields user_timer, system_timer & steal_clock. */ -void vtime_account_irq_enter(struct task_struct *tsk) +void vtime_account_kernel(struct task_struct *tsk) { u64 timer; @@ -245,12 +245,12 @@ void vtime_account_irq_enter(struct task_struct *tsk) virt_timer_forward(timer); } -EXPORT_SYMBOL_GPL(vtime_account_irq_enter); - -void vtime_account_kernel(struct task_struct *tsk) -__attribute__((alias("vtime_account_irq_enter"))); EXPORT_SYMBOL_GPL(vtime_account_kernel); +void vtime_account_irq_enter(struct task_struct *tsk) +__attribute__((alias("vtime_account_kernel"))); + + /* * Sorted add to a list. List is linear searched until first bigger * element is found. diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index 5a55d2300452..61ce9f9bf0a3 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -71,7 +71,6 @@ void irqtime_account_irq(struct task_struct *curr) else if (in_serving_softirq() && curr != this_cpu_ksoftirqd()) irqtime_account_delta(irqtime, delta, CPUTIME_SOFTIRQ); } -EXPORT_SYMBOL_GPL(irqtime_account_irq); static u64 irqtime_tick_accounted(u64 maxtime) { @@ -434,7 +433,6 @@ void vtime_account_irq_enter(struct task_struct *tsk) else vtime_account_kernel(tsk); } -EXPORT_SYMBOL_GPL(vtime_account_irq_enter); #endif /* __ARCH_HAS_VTIME_ACCOUNT */ void cputime_adjust(struct task_cputime *curr, struct prev_cputime *prev, -- 2.25.1