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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 B0A71C433E0 for ; Tue, 19 Jan 2021 22:52:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 93E7523104 for ; Tue, 19 Jan 2021 22:52:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727669AbhASWwg (ORCPT ); Tue, 19 Jan 2021 17:52:36 -0500 Received: from szxga04-in.huawei.com ([45.249.212.190]:11175 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404568AbhASO3P (ORCPT ); Tue, 19 Jan 2021 09:29:15 -0500 Received: from DGGEMS410-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4DKr5p65lFzl7Cq; Tue, 19 Jan 2021 22:05:34 +0800 (CST) Received: from mdc.huawei.com (10.175.112.208) by DGGEMS410-HUB.china.huawei.com (10.3.19.210) with Microsoft SMTP Server id 14.3.498.0; Tue, 19 Jan 2021 22:06:50 +0800 From: Chen Jun To: , CC: , , , , , Subject: [PATCH] arm64: kernel: Make IPI_WAKEUP under control of CONFIG_ARM64_ACPI_PARKING_PROTOCOL Date: Tue, 19 Jan 2021 14:06:09 +0000 Message-ID: <20210119140609.106420-1-chenjun102@huawei.com> X-Mailer: git-send-email 2.25.0 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.112.208] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org since commit 5e89c55e4ed81d7abb1ce8828db35fa389dc0e90 ("arm64: kernel: implement ACPI parking protocol") On arm64, IPI 6 will be wasted without setting CONFIG_ARM64_ACPI_PARKING_PROTOCOL. Signed-off-by: Chen Jun --- arch/arm64/kernel/smp.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index ad00f99ee9b0..8b494ad1c61e 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -73,7 +73,9 @@ enum ipi_msg_type { IPI_CPU_CRASH_STOP, IPI_TIMER, IPI_IRQ_WORK, +#ifdef CONFIG_ARM64_ACPI_PARKING_PROTOCOL IPI_WAKEUP, +#endif NR_IPI }; @@ -795,7 +797,9 @@ static const char *ipi_types[NR_IPI] __tracepoint_string = { [IPI_CPU_CRASH_STOP] = "CPU stop (for crash dump) interrupts", [IPI_TIMER] = "Timer broadcast interrupts", [IPI_IRQ_WORK] = "IRQ work interrupts", +#ifdef CONFIG_ARM64_ACPI_PARKING_PROTOCOL [IPI_WAKEUP] = "CPU wake-up interrupts", +#endif }; static void smp_cross_call(const struct cpumask *target, unsigned int ipinr); -- 2.25.0