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 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 DDAE0C43458 for ; Fri, 10 Jul 2026 11:56:08 +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-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=UcDDnr0HcvR3xlUYMGMIymwYYVJz0OOwGn3qBVIuusc=; b=mHDP6HsWEXq9b8r3gY+tiJ5HLD oc5MfAz7XMYfzwuyzdgzpwQuGigmuhEskK9GWzRELGpQOd6BqiI5aKCjA5OdpbYI3I3XriOAPnyEd RMJINAnQ5+KqmI72qEYwrcSF5D1puaUiiCcbpQfaSZw3NgYVwS/j8FdXUKO9ngsp9EjG6+7/loLGx Dd0sKwTFOU3d3ZYp+EPGb66EHYFfseaniQwg26Ts+fi58Ge3UlB7gMKxuLmoa+TMtY3ZIJpKwzdMA pDTT9t5okWYoIsllU54PI+PnrCF+pwturrPOunsrZiMQ5l/I1Pr1JoxxEoAKJ1/7FMxZtMDWfHwNl 74Oxa9vA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wi9pp-00000004rkv-1JBN; Fri, 10 Jul 2026 11:56:01 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wi9pm-00000004rjy-1lk0 for linux-arm-kernel@lists.infradead.org; Fri, 10 Jul 2026 11:55:59 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 966141EA6; Fri, 10 Jul 2026 04:55:53 -0700 (PDT) Received: from e134344.cambridge.arm.com (e134344.arm.com [10.2.212.8]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id A42933F85F; Fri, 10 Jul 2026 04:55:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1783684557; bh=HDM4yjwF3ewZgXyeAirDLJ8wrUsfMzbhBvuPa4qtLv8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VsUK0KH3Zcuu32dIqSPPH27+OGK1LiJAGY9Cgr5YxZBYv4dIDQe2/YgrEER+Q/HEF NNDssTIOzGvHglvgobuW6C8+pSxJCH2kgkXLpQBdW1EGPz23Y69r99u60jnrIfCKuv +Enw3QBiG0JoVjHFpN60R6A3QVgDFO2cTczr/eSY= From: Ben Horgan To: ben.horgan@arm.com Cc: james.morse@arm.com, reinette.chatre@intel.com, fenghuay@nvidia.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, dave.martin@arm.com, andre.przywara@arm.com Subject: [PATCH v1 01/11] arm_mpam: Move MPAMF_ECR write helpers to allow reuse Date: Fri, 10 Jul 2026 12:55:35 +0100 Message-ID: <20260710115546.29644-2-ben.horgan@arm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260710115546.29644-1-ben.horgan@arm.com> References: <20260710115546.29644-1-ben.horgan@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260710_045558_503395_82B6056F X-CRM114-Status: GOOD ( 11.70 ) 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 In preparation for calling mpam_enable_msc_ecr() from the CPU hotplug handlers move it higher in the file. Move mpam_disable_msc_ecr() too to keep them together. Signed-off-by: Ben Horgan --- drivers/resctrl/mpam_devices.c | 38 +++++++++++++++++----------------- 1 file changed, 19 insertions(+), 19 deletions(-) diff --git a/drivers/resctrl/mpam_devices.c b/drivers/resctrl/mpam_devices.c index b69f99488111..82966ca2a631 100644 --- a/drivers/resctrl/mpam_devices.c +++ b/drivers/resctrl/mpam_devices.c @@ -1813,6 +1813,25 @@ static void mpam_reprogram_msc(struct mpam_msc *msc) mutex_unlock(&msc->cfg_lock); } +static int mpam_enable_msc_ecr(void *_msc) +{ + struct mpam_msc *msc = _msc; + + __mpam_write_reg(msc, MPAMF_ECR, MPAMF_ECR_INTEN); + + return 0; +} + +/* This can run in mpam_disable(), and the interrupt handler on the same CPU */ +static int mpam_disable_msc_ecr(void *_msc) +{ + struct mpam_msc *msc = _msc; + + __mpam_write_reg(msc, MPAMF_ECR, 0); + + return 0; +} + static void _enable_percpu_irq(void *_irq) { int *irq = _irq; @@ -2435,25 +2454,6 @@ static char *mpam_errcode_names[16] = { [12 ... 15] = "Reserved" }; -static int mpam_enable_msc_ecr(void *_msc) -{ - struct mpam_msc *msc = _msc; - - __mpam_write_reg(msc, MPAMF_ECR, MPAMF_ECR_INTEN); - - return 0; -} - -/* This can run in mpam_disable(), and the interrupt handler on the same CPU */ -static int mpam_disable_msc_ecr(void *_msc) -{ - struct mpam_msc *msc = _msc; - - __mpam_write_reg(msc, MPAMF_ECR, 0); - - return 0; -} - static irqreturn_t __mpam_irq_handler(int irq, struct mpam_msc *msc) { u64 reg; -- 2.43.0