From patchwork Mon Mar 20 07:47:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saurabh Singh Sengar X-Patchwork-Id: 72022 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:604a:0:0:0:0:0 with SMTP id j10csp1077213wrt; Mon, 20 Mar 2023 00:58:01 -0700 (PDT) X-Google-Smtp-Source: AK7set9gfSDw/KV+/XXGcIs6tTyd9pjHHC7Brrp7+Gbz/NBPLJHqIumXaZ0G7ql0zWN47l7SnxsE X-Received: by 2002:a17:90a:ce89:b0:234:289d:5e69 with SMTP id g9-20020a17090ace8900b00234289d5e69mr13416272pju.2.1679299081422; Mon, 20 Mar 2023 00:58:01 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1679299081; cv=none; d=google.com; s=arc-20160816; b=Z7DtlXdszqQsuHhXUoSs7CnP4OFeTyd8X3ilQ6WIhro4Yp8WEi80kQUNZXGfDUlZGy uiV+WXaSiYySwmCm8SRQZZEQ8dpk2xAI56VQoLp6hvhnLET9YQKsaUI6VikS3O7/eL9A CRudGPDCoSHgbDBrqrui0TT62MpzxbJAZ8YCIIQfAS/VcSVjaxlMfZf/3O/x/3FtHr+h ja264DuBJIJjMn6THfVAiH+wnrZP2zTpO/DD8Mx54OGfUdGKYBc7N4QOxWeNE/rlFvkd nBNTSJwA/Npcl3iDqqPFarlkzg/dOW+tida3j3oDo4E8FBUzfzgi2NqJoGHdpmAwDZC2 YLkQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:references:in-reply-to:message-id:date:subject :to:from:dkim-signature:dkim-filter; bh=9hqMgwt+9rfgzKvMywqn/H23HiHnKG9S9L6A/+1pzh0=; b=xHDwTsMUde6JL7YhTI3oGm/fJ9QMwF+GPXGhbdwD6TUcwsDZbYCbmqFoivkqrHja3b l5956kJhChjYyhkB/bxHcXM1aGxWDE2il3k5uqmuY0VIbko/DFlX2kgqUCZNAQk4ngHW 0comtrvqfp3tIBeCr1D9WNjPGoSAsD31N4WjFLL+2wL3WOjUw1fbdlqrtRPGmdIN+xl+ fE6Hu+BiyFmxGcf6h9hmtlGI6v15k6d4eqSQ4sA9rKrkxOD3Yqw2nvHYKqhvNXBfK78n AwyYhOEO3Ua865wbLgW0JCPqH1o9U+UHvcDm+3d4sfHrOt8EAzb2lhzGvaaopW+coJI3 DMDA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linux.microsoft.com header.s=default header.b=UQ7XWCso; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.microsoft.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id nh3-20020a17090b364300b0023b35a46595si14984117pjb.99.2023.03.20.00.57.49; Mon, 20 Mar 2023 00:58:01 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linux.microsoft.com header.s=default header.b=UQ7XWCso; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.microsoft.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230187AbjCTHrz (ORCPT + 99 others); Mon, 20 Mar 2023 03:47:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57544 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229561AbjCTHrr (ORCPT ); Mon, 20 Mar 2023 03:47:47 -0400 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id CA5A012594; Mon, 20 Mar 2023 00:47:44 -0700 (PDT) Received: from linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net (linux.microsoft.com [13.77.154.182]) by linux.microsoft.com (Postfix) with ESMTPSA id F184B20FAACE; Mon, 20 Mar 2023 00:47:43 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com F184B20FAACE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1679298464; bh=9hqMgwt+9rfgzKvMywqn/H23HiHnKG9S9L6A/+1pzh0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=UQ7XWCsoz4aLvEyssGIFuVqFwdiiGt+efQ0p6tQOvIL/9k8jKDly/VSaoLZhnwWNp L73ZiX5d4HKIBjvL3dC3TM0HPuXtjNkBoH8AikaPPbl9RiTp7A6PhoT1xL1XiX97VZ YMqo7II67x8opgdoV5l2WSFvAcqC4PRuWOdP1Hek= From: Saurabh Sengar To: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org, mikelley@microsoft.com Subject: [PATCH v9 1/5] drivers/clocksource/hyper-v: non ACPI support in hyperv clock Date: Mon, 20 Mar 2023 00:47:36 -0700 Message-Id: <1679298460-11855-2-git-send-email-ssengar@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1679298460-11855-1-git-send-email-ssengar@linux.microsoft.com> References: <1679298460-11855-1-git-send-email-ssengar@linux.microsoft.com> X-Spam-Status: No, score=-19.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,ENV_AND_HDR_SPF_MATCH,RCVD_IN_DNSWL_MED, SPF_HELO_PASS,SPF_PASS,USER_IN_DEF_DKIM_WL,USER_IN_DEF_SPF_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760872713889821743?= X-GMAIL-MSGID: =?utf-8?q?1760872713889821743?= Add a placeholder function for the hv_setup_stimer0_irq API to accommodate systems without ACPI support. Since this function is not utilized on x86/x64 systems and non-ACPI support is only intended for x86/x64 systems, a placeholder function is sufficient for now and can be improved upon if necessary in the future. Signed-off-by: Saurabh Sengar Reviewed-by: Michael Kelley --- drivers/clocksource/hyperv_timer.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/clocksource/hyperv_timer.c b/drivers/clocksource/hyperv_timer.c index c0cef92b12b8..f32948c8a96f 100644 --- a/drivers/clocksource/hyperv_timer.c +++ b/drivers/clocksource/hyperv_timer.c @@ -49,7 +49,7 @@ static bool direct_mode_enabled; static int stimer0_irq = -1; static int stimer0_message_sint; -static DEFINE_PER_CPU(long, stimer0_evt); +static __maybe_unused DEFINE_PER_CPU(long, stimer0_evt); /* * Common code for stimer0 interrupts coming via Direct Mode or @@ -68,7 +68,7 @@ EXPORT_SYMBOL_GPL(hv_stimer0_isr); * stimer0 interrupt handler for architectures that support * per-cpu interrupts, which also implies Direct Mode. */ -static irqreturn_t hv_stimer0_percpu_isr(int irq, void *dev_id) +static irqreturn_t __maybe_unused hv_stimer0_percpu_isr(int irq, void *dev_id) { hv_stimer0_isr(); return IRQ_HANDLED; @@ -196,6 +196,7 @@ void __weak hv_remove_stimer0_handler(void) { }; +#ifdef CONFIG_ACPI /* Called only on architectures with per-cpu IRQs (i.e., not x86/x64) */ static int hv_setup_stimer0_irq(void) { @@ -230,6 +231,16 @@ static void hv_remove_stimer0_irq(void) stimer0_irq = -1; } } +#else +static int hv_setup_stimer0_irq(void) +{ + return 0; +} + +static void hv_remove_stimer0_irq(void) +{ +} +#endif /* hv_stimer_alloc - Global initialization of the clockevent and stimer0 */ int hv_stimer_alloc(bool have_percpu_irqs)