From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 5F1392D97AB for ; Thu, 15 Jan 2026 19:13:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768504435; cv=none; b=Oy3vTiSKLx+4TmCnmOvLyD1aJBrC1Yy86k1c/ff4FYdsgFtv4i8EFN2dXCwxZUUPEvH5y9ILjN2hX1NmrxulwxuY9AdecOzCejDCKvc0FkFFsnagScI/AfDSlq+kNoxL5wqZx8fMgt4VMh1FF1XFV6ozNuQTlAkTn+SBqawmvHc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768504435; c=relaxed/simple; bh=6ug1PNtNTVRGMhPl9Bb6HEV2QG2zz5SA94F1Q3aFOfE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=l/VjkkWFHWc613ed6vpNzFLGfgcegERwwQd22gx1KlxOtjZQRX+DHV7SsEx22DpHwrJ7C8JEY47TId7hDP/UsTVjvvd7wD4FAp0Hp6aCN+yhp0HxNy6kgJ/c+N65Bx5SvwVUqcMcATEP8Pg4kkiTAc+SRABuFLFx+6cTXwX+D3Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com 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 12A451515; Thu, 15 Jan 2026 11:13:47 -0800 (PST) Received: from arm.com (arrakis.cambridge.arm.com [10.1.197.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 690DC3F59E; Thu, 15 Jan 2026 11:13:48 -0800 (PST) Date: Thu, 15 Jan 2026 19:13:45 +0000 From: Catalin Marinas To: Ben Horgan Cc: amitsinght@marvell.com, baisheng.gao@unisoc.com, baolin.wang@linux.alibaba.com, carl@os.amperecomputing.com, dave.martin@arm.com, david@kernel.org, dfustini@baylibre.com, fenghuay@nvidia.com, gshan@redhat.com, james.morse@arm.com, jonathan.cameron@huawei.com, kobak@nvidia.com, lcherian@marvell.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, peternewman@google.com, punit.agrawal@oss.qualcomm.com, quic_jiles@quicinc.com, reinette.chatre@intel.com, rohit.mathew@arm.com, scott@os.amperecomputing.com, sdonthineni@nvidia.com, tan.shaopeng@fujitsu.com, xhao@linux.alibaba.com, will@kernel.org, corbet@lwn.net, maz@kernel.org, oupton@kernel.org, joey.gouly@arm.com, suzuki.poulose@arm.com, kvmarm@lists.linux.dev Subject: Re: [PATCH v3 11/47] arm64: mpam: Add helpers to change a task or cpu's MPAM PARTID/PMG values Message-ID: References: <20260112165914.4086692-1-ben.horgan@arm.com> <20260112165914.4086692-12-ben.horgan@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260112165914.4086692-12-ben.horgan@arm.com> On Mon, Jan 12, 2026 at 04:58:38PM +0000, Ben Horgan wrote: > +static inline void mpam_set_task_partid_pmg(struct task_struct *tsk, > + u16 partid_d, u16 partid_i, > + u8 pmg_d, u8 pmg_i) > +{ > +#ifdef CONFIG_ARM64_MPAM > + u64 regval = __mpam_regval(partid_d, partid_i, pmg_d, pmg_i); > + > + WRITE_ONCE(task_thread_info(tsk)->mpam_partid_pmg, regval); > +#endif > +} Isn't this function, together with mpam_thread_switch(), in an enclosing #ifdef already? > + > static inline void mpam_thread_switch(struct task_struct *tsk) > { > u64 oldregval; > -- > 2.43.0 > -- Catalin