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 555B03624BC; Fri, 24 Apr 2026 10:08:34 +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=1777025315; cv=none; b=D2/AxiPfwARzgR9DMFjbL2iJdIXZrZvrDppowAlgtKOf4hssdbsIgrJ4Nsi1FHLAQ7v3eIcNquAhCwEX7E8wL3tSTyRrh6Kld6OxM+7Cq7LgipntnMHR7fFQzhvYSryjZLlqu+qzIwgl+S60PElfUGo6iDljt9XHcW1jSzxh7JA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777025315; c=relaxed/simple; bh=x20Ic161sKUwYRA6ryFZm4hIWfUOKk542S8QeGSaRlw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type:Content-Disposition; b=In6cdt3OSpaSwBhmm2M5SSnfb/Xvrokn9aXKW9IT+tkPfT+NbL9mONiLV3XFQTfp7KkI7P2YGvinA7leJOBe2cw1C0Ys5ACY1oV0zaCwHBgmHoMCf0pCqsRLLoppCM8VB3od5jgiVU6eow/AmIBefntR86BP/htzC5cUdvUOryw= 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; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=RO/fAHz4; 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="RO/fAHz4" 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 343E71BC0; Fri, 24 Apr 2026 03:08:28 -0700 (PDT) Received: from devkitleo.cambridge.arm.com (devkitleo.cambridge.arm.com [10.1.196.90]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 358933F641; Fri, 24 Apr 2026 03:08:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1777025313; bh=x20Ic161sKUwYRA6ryFZm4hIWfUOKk542S8QeGSaRlw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RO/fAHz4w6tvV0tSr5IiP9uY7Vpvlt8ixeEw8Een+yh4bUys4r8C/Y9PL6dsRTgnI At4+HDGbiLUoAT3XFkrO0n7AEEritCUqh/AVLOwsAswJ9HEztUYiEhAtWKQpnMwLky g411WdNzZ6wH5t9Q5l/U80d9VZdfG9tUyFijm8jE= From: Leonardo Bras To: Tian Zheng Cc: Leonardo Bras , maz@kernel.org, oupton@kernel.org, catalin.marinas@arm.com, corbet@lwn.net, pbonzini@redhat.com, will@kernel.org, yuzenghui@huawei.com, wangzhou1@hisilicon.com, liuyonglong@huawei.com, Jonathan.Cameron@huawei.com, yezhenyu2@huawei.com, linuxarm@huawei.com, joey.gouly@arm.com, kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, skhan@linuxfoundation.org, suzuki.poulose@arm.com Subject: Re: [PATCH v3 4/5] KVM: arm64: Enable HDBSS support and handle HDBSSF events Date: Fri, 24 Apr 2026 11:08:25 +0100 Message-ID: X-Mailer: git-send-email 2.54.0 In-Reply-To: <0403d30d-e75e-4922-b8c1-8cae349f3dc2@huawei.com> References: <20260225040421.2683931-1-zhengtian10@huawei.com> <20260225040421.2683931-5-zhengtian10@huawei.com> <4e800c1e-25db-4aa2-b100-63434973de93@huawei.com> <0403d30d-e75e-4922-b8c1-8cae349f3dc2@huawei.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: 8bit On Fri, Apr 24, 2026 at 02:48:26PM +0800, Tian Zheng wrote: > > On 4/21/2026 10:18 PM, Leonardo Bras wrote: > > On Mon, Mar 30, 2026 at 12:31:28PM +0100, Leonardo Bras wrote: > > > On Sat, Mar 28, 2026 at 02:05:25PM +0800, Tian Zheng wrote: > > > > On 3/27/2026 11:00 PM, Leonardo Bras wrote: > > > > > On Fri, Mar 27, 2026 at 03:35:29PM +0800, Tian Zheng wrote: > > > > > > On 3/26/2026 2:05 AM, Leonardo Bras wrote: > > > > > > > Hello Tian, > > > > > > > > > > > > > > I am currently working on HACDBS enablement(which will be rebased on top of > > > > > > > this patchset) and due to the fact HACDBS and HDBSS are kind of > > > > > > > complementary I will sometimes come with some questions for issues I have > > > > > > > faced myself on that part. :) > > > > > > > > > > > > > > (see below) > > > > > > Of course! Happy to exchange ideas and learn together. > > > > > :) > > Hello Tian, > > > > On the above, HACDBS depends on HACDBSIRQ which can be announced by either > > device-tree or ACPI. > > > > Do you think it's ok for it to be ACPI only, for now? > > > > Thanks! > > Leo > > Hi Leo, > > No problem with ACPI-only for HACDBSIRQ for now. Awesome! I got it all working on my side, so I will try to send a freestanding patch with the required needs from HDBSS :) > > Feel free to let me know if you have any questions while working > on HACDBS on top of HDBSS. > Will do:) Thanks! Leo > Tian >