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 9876BCA5FD4 for ; Fri, 2 Oct 2026 11:06:04 +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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=w8kepTpznDWflU7mN4h6NwXrcDQmY4fhJ/6Rl906kmI=; b=4y9MJXUMUuWu1g2jky20A3gpKA sa4p6+4nZ2hjsXCdniyyyI+VAzzdEESKc0wMRhTF1kmU0UJ8a+oMJ5DtV+/DPIoxcmecbcY0uX++j TfKx0Xn6Mv64DXY4n53Smn2UxDy0u5Nm8AAwkTqaUbJFw3/smn8GHOF1DoYIqp27lSWgcNFzQau9n wIoxHynZIdA2C6jMQ84xXLqMOcK0LkOwImDSDyrIyiqEfmAyh9FVPe11iSLs/WsR2+ZSFTSZMVzWc mwKSzQsrC4kpU50RON/Khda1kcmajny2zuP4a4SIAtGV29sQMCX48P82KOAxunxgUckA9bnM/4CHZ jiaz2pIg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xCb5S-0000000BR2g-2uQ7; Fri, 02 Oct 2026 11:05:58 +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 1xCb5Q-0000000BR21-0sR9 for linux-arm-kernel@lists.infradead.org; Fri, 02 Oct 2026 11:05:57 +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 C33882F; Fri, 2 Oct 2026 04:05:50 -0700 (PDT) Received: from arm.com (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id CDD4B3F85F; Fri, 2 Oct 2026 04:05:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1790939154; bh=mGxeAZM+Ponxf7bCZvYiqPovJdLJZY0Gu2OJSveg5yA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=sjtm30iC6/CPpL985bC1ofmm5brYJLUn0kVQO18G8RhH2Yh5XOrHs3SsdZSxVnIBr Z/ZDfixwIcvnwqCiOApssi0HAtdlApZuOjb8i+fYedE9DrYrKTnkCguT5SitK9lTqa twTPa+U5uMzBfeke9T34bxpoggTWrkDluMgnbhWw= Date: Fri, 2 Oct 2026 12:05:47 +0100 From: Catalin Marinas To: Suzuki K Poulose Cc: kvm@vger.kernel.org, kvmarm@lists.linux.dev, maz@kernel.org, will@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, steven.price@arm.com, aneesh.kumar@kernel.org, oupton@kernel.org, gshan@redhat.com, joey.gouly@arm.com, tabba@google.com, yuzenghui@huawei.com, linux-coco@lists.linux.dev, gankulkarni@os.amperecomputing.com, sdonthineni@nvidia.com, alpergun@google.com, fj0570is@fujitsu.com, WeiLin.Chang@arm.com, lpieralisi@kernel.org, enju.kohei@fujitsu.com, sudeep.holla@arm.com, jonathan.cameron@oss.qualcomm.com Subject: Re: [PATCH v22 09/10] firmware: arm_rmm: Add wrappers for Realm related RMI commands Message-ID: References: <20261002061507.1600269-1-suzuki.poulose@arm.com> <20261002061507.1600269-10-suzuki.poulose@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261002061507.1600269-10-suzuki.poulose@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261002_040556_291972_9E51A0B7 X-CRM114-Status: GOOD ( 10.93 ) 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 On Fri, Oct 02, 2026 at 07:15:05AM +0100, Suzuki K Poulose wrote: > +/* > + * rmi_smccc_invoke_once: Invoke the RMI call and return the results. Do not > + * retry the command. Let the caller deal with RMI_BUSY or RMI_BLOCKED. > + * > + * @regs: Input parameters filled in. Updated with the ouptput results > + * after the call. > + */ > +static __always_inline void rmi_smccc_invoke_once(struct arm_smccc_1_2_regs *regs) > +{ > + struct arm_smccc_1_2_regs args = *regs; > + > + arm_smccc_1_2_smc(&args, regs); > +} Nit: I mentioned on v21 - is the copy to args still needed? Can we not do just: arm_smccc_1_2_smc(regs, regs); (no need to respin, I can fix it locally) -- Catalin