From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=217.140.110.172 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793621420; b=UDWUcD8ckNXnYTsqmTM+P5d5Jp2E4k8PDAF2NIj9WPQfsRni3KEtOCuRpHVWQ3MN4KBH k8W3+wjinqjXMdGdH6pWfzsM/JEyy/301w93Xiaye1DO5yLdGINAlhrrXfZWm0uzIdks0 dyS+0qbP2S5UOgqOLC7SF0+kaLF9mVeqLHZ036qPNAoGkXdITvf40OkejDhiUTqlCBJ4b 0ijvLAuSv+JjYZN5UC9b1wKn4gIRSVThItN4zBpJAWgFQQH1vtsn/i9d03RgsxWMTUbBr /E8qQS08m7km+dCfUaaPU7cc/hfV+4EuN9EdiPwPYS3HwOMTLn66wuebDVP6oV4vpIw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793621420; h=DMARC-Filter:Received:Received:DKIM-Signature:Date:From:To:Cc: Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; bh=3RaNVpitPtQwc0pZksDRL8hgfwXn6BMG3yrnetP97t0=; b=gJN17I3rydr7NIiF+Ln6/iKTfF5fSbS5ELWQE5lM47ihvW+PFU4+C2Fk9DXdSqKYkTCo B2L2hFcxbq8f5P1/Sn2QCCSdVLk/FEciJeg31UIMVeiUPVAEm5raLheUs7/Us4nwpK+Gn MRLHuaxDKKdpy4JnDom9BRXhk+fk7eZsR4/0tnvnaDdS6pdSGYMCfFjtPwTr6lBvmgYnD cjxQteyZ1dmt4WnS7AjkfcwlsBwpCBgjS0XxxprYirpfl58HK94Jbgcxnl2Z0MM34iDvA QylVNL7y2Bbg73P8LBZYjo6kQOXzwcB/5jgkMsrP2oCzupwmFK46gGHZ7JAkICQzB7A== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=VwC0qHuV; arc=none smtp.remote-ip=217.140.110.172 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 4057360A2606; Mon, 2 Nov 2026 12:10:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 4057360A2606 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256 header.s=foss header.b=VwC0qHuV 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 7C92B1FC4; Mon, 2 Nov 2026 04:10:15 -0800 (PST) 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 BF3B93F59E; Mon, 2 Nov 2026 04:10:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1793621418; bh=kH4wduj8rCU9JrOnkhZ6pZU1rzL9URyPOvDKS+QGHkc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=VwC0qHuVb3TAXcufxcWHnvaPcBsK56AleG1Lpa9845YIDHNBw/EIEqriPowVEpX6T XzCrwXx+5Lq2A415gJAGOLEd3LcGoSbJ+SYR1pllJGhbw4g2lHxWt9S5lqQPCqoM2H GwNVzTOxVdnJu2vat6eT2F77+zNgSSZXSWQ3j3Bs= Date: Mon, 2 Nov 2026 12:10:14 +0000 From: Catalin Marinas To: Dexuan Cui Cc: Kameron Carr , Haiyang Zhang , "mhklinux@outlook.com" , "wei.liu@kernel.org" , "arnd@arndb.de" , "linux-arch@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-hyperv@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "lpieralisi@kernel.org" , "Mark.Rutland" , "sudeep.holla@kernel.org" , "thuth@redhat.com" , "will@kernel.org" Subject: Re: [PATCH v6 1/6] arm64: rsi: Add RSI host call structure and helper function Message-ID: References: <20261031001412.4150488-1-kameroncarr@linux.microsoft.com> <20261031001412.4150488-2-kameroncarr@linux.microsoft.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Sat, Oct 31, 2026 at 04:51:21AM +0000, Dexuan Cui wrote: > > From: Kameron Carr > > Sent: Friday, October 30, 2026 5:14 PM > > To: Dexuan Cui ; Haiyang Zhang > > ; mhklinux@outlook.com; wei.liu@kernel.org > > Cc: arnd@arndb.de; catalin.marinas@arm.com; linux-arch@vger.kernel.org; > > linux-arm-kernel@lists.infradead.org; linux-hyperv@vger.kernel.org; linux- > > kernel@vger.kernel.org; lpieralisi@kernel.org; Mark.Rutland > > ; sudeep.holla@kernel.org; thuth@redhat.com; > > will@kernel.org > > Subject: [PATCH v6 1/6] arm64: rsi: Add RSI host call structure and helper > > function > > > > Add struct rsi_host_call to arm-smccc-rsi.h, which represents the host > > call data structure used by the Realm Management Monitor (RMM) for the > > RSI_HOST_CALL interface. The structure contains a 16-bit immediate field > > and 31 general-purpose register values, aligned to 256 bytes as required > > by the CCA RMM specification. > > > > Add rsi_host_call() static inline wrapper in arm-rsi-cmds.h that invokes > > SMC_RSI_HOST_CALL with the physical address of the host call structure. > > This will be used by Hyper-V guest code to route hypercalls through the > > RSI interface when running inside an Arm CCA Realm. > > > > Reviewed-by: Michael Kelley > > Signed-off-by: Kameron Carr > > --- > > Catalin provided Reviewed-by to v5's patch #1, which is the same > as v6's patch #1: > https://lore.kernel.org/all/auPOxoaRbdOEHnv_@arm.com/ Yes, my review still stands. Reviewed-by: Catalin Marinas