From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4271D3AB273; Tue, 6 Oct 2026 09:21:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791278464; cv=none; b=sPGm38p6ixQi+zZ0DD/kmODhywimEqAYEcKtVB/4kSkaPnsb9sVHxGeppVN39H6B2p1R98WUW82tsAFdxCiUTssGfX1hCKQwMBlUgpW9mGAPn9jUT58yc6ODpIM2Iz5EzWzY84t8frtrOiXDPiNIaR+9aw9SQFhtxlPSHhrMpHM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791278464; c=relaxed/simple; bh=PPslDzfuLJgD8FRs3rfIC7ONG8uWiqOG1mJq0t7RMtM=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=faLm0y/bdMqS7ICHXuu79IxHCAX5kpUhSXnN5lPe3k5q47JBMDe5WLEWXAkhbyZrXdzPHvwY6Y1kTyUIJDbqDQ9vJayeUP798lCYIkDfrCZO7se2cRsCeJC8bllgnL/5hSWb6iTit4T+Ekb2vMYCdxirLq/M8/NJBbiBZopvDZM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VLoNKXgN; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VLoNKXgN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C5E661F000FF; Tue, 6 Oct 2026 09:21:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791278462; bh=z8HCIhNuDYrT+ORH4aIuCyvFjp7fM67uCGXy31jymWA=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=VLoNKXgNbL5pvIdvKiXXog0YYD7C2kt7elX+06jHvy+c2SJhZue6JFyyytxOQLq9g mtgEu/cO9bfr14AopOHBezZx+5b72rYYfjUUA80TA6GvBTSV5DNTAOY6pF8tPmckUc CuzOwQfKNPg1GzG2OiY2+nGPY9RtiVQprPpeKFR6V9rKbCZkmKHrGZEp42tX/1MwJ9 ifxgVVf9I8J0cK8JQcpJntzCj4lXCM0pOswejwkZvyangfbasvP6qJft8DTjL9ko6z QccDXxdAQ0r7bwKpKknd3Z59aijfxt7rxcQAKAiKGT5gPFbDnndDhD0+yUF1c7vxmk NVlR4DBfDzAFA== Received: from sofa.misterjones.org ([185.219.108.64] helo=lobster-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1xE1M3-0000000HM6R-45B4; Tue, 06 Oct 2026 09:21:00 +0000 Date: Tue, 06 Oct 2026 10:24:06 +0100 Message-ID: <87a4or2nd5.wl-maz@kernel.org> From: Marc Zyngier To: Suzuki K Poulose Cc: kvm@vger.kernel.org, kvmarm@lists.linux.dev, will@kernel.org, catalin.marinas@arm.com, 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 11/23] KVM: arm64: Add VM specific callback for S2 MMU operations In-Reply-To: <20261005090754.2140522-12-suzuki.poulose@arm.com> References: <20261005090754.2140522-1-suzuki.poulose@arm.com> <20261005090754.2140522-12-suzuki.poulose@arm.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: suzuki.poulose@arm.com, kvm@vger.kernel.org, kvmarm@lists.linux.dev, will@kernel.org, catalin.marinas@arm.com, 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 X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false On Mon, 05 Oct 2026 10:07:42 +0100, Suzuki K Poulose wrote: > > Add VM type specific S2 MMU operation backends which can be initialized per > VM flavor, to keep the handling cleaner. > > Signed-off-by: Suzuki K Poulose > --- > Change since v21: > - Define all vm_s2_ops call back. All calls are mandatory. > - Define callback for each flavor, disjointing the non-protetcted pKVM and > normal KVM (VHE & nVHE) and remove the KVM_PGT_FN() hacks. It is a bit annoying that we still have part of the operations being indirected by kvm_vm_s2_ops, and others by KVM_PGT_FN(), which is still there. I was hoping that we'd have only one indirection. after this patch. M. -- Jazz isn't dead. It just smells funny.