From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) (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 3ACA627FB05; Tue, 10 Mar 2026 14:42:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773153778; cv=none; b=H6zsNYzaKCYbmNoAQ77awKF4Wf0+J+EdgIv3rgHyPAs3mVlTUkH6B6m6FuNoJJ5as5YxjAlTxaa3liDcpyPw+Ze7B4TwjB/ivgBjmEu9KuAJfcnYq0FPZejrwsECKRUOrr8Z09PRCEe0b02OW3NdfK6+3W96qDBMyLaiI3joric= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773153778; c=relaxed/simple; bh=ew2Ld+USg/0akIWZd2Zhhd+hA5g25bVPfQ3z1Vk7d0w=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=OztCQfxV9SxgiXnnfWY2IwA7Y5JGlM2Hc3Fn7zVz6x05d2a0U70sTIfzOqvPh5j3lHadPQev6LyJedfR1+KOsbD2TNBP/nkHZaS9RjMkTUp4Dg/YZmumCqNvmygWJ0OkCGK+uA5dYcfW4Iy6N/ftaww/rtgg1XZWqeD9uyC30to= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; arc=none smtp.client-ip=216.40.44.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Received: from omf10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 0E62B1B6C86; Tue, 10 Mar 2026 14:42:55 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf10.hostedemail.com (Postfix) with ESMTPA id B501E40; Tue, 10 Mar 2026 14:42:51 +0000 (UTC) Date: Tue, 10 Mar 2026 10:43:01 -0400 From: Steven Rostedt To: Vincent Donnefort Cc: mhiramat@kernel.org, mathieu.desnoyers@efficios.com, linux-trace-kernel@vger.kernel.org, maz@kernel.org, oliver.upton@linux.dev, joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, jstultz@google.com, qperret@google.com, will@kernel.org, aneesh.kumar@kernel.org, kernel-team@android.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v14 00/30] Tracefs support for pKVM Message-ID: <20260310104301.665bc684@gandalf.local.home> In-Reply-To: <20260309162516.2623589-1-vdonnefort@google.com> References: <20260309162516.2623589-1-vdonnefort@google.com> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Stat-Signature: 4dz8tkqbqdur7t1oxrqypc1fny4f8est X-Rspamd-Server: rspamout02 X-Rspamd-Queue-Id: B501E40 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX1+DNCjV7dq3BIMgJPb6chTxzLYz8EtnyHM= X-HE-Tag: 1773153771-423745 X-HE-Meta: U2FsdGVkX18n6LeKxHu/K8lrNosbg33R7MUM0BYl15C/a6ynYReUnFyq+jAHHl9dj4LFnQshyXL7OLItBj+Eouj8fvPWaNp+LBnrNYZf3jEjjzX+E9q+iYmzFNgGYC4oM2qcAfvLkzMgpczH6srVhwqHNl5YyzW763zKc+lvNjlXGgELd3NCBbMrEf0wcGQyDbN5iiU6Djv/+CTyk9l5zNAjc5aqNh0vIjGFmfr0g7FOAfXUk1swp0mgBxbCpDyO2NX3K6xUbTxq8kf1UPQ4lWjplk2N71zu7idjH6ZMuBi6XoGA/QJ1Vj612bYcVTPm/l0TqqB0xWcxDSOvK/OipdOWZhpsceIVikH36Jz2YobqoPOoKsqmGQ== On Mon, 9 Mar 2026 16:24:46 +0000 Vincent Donnefort wrote: > 5. pKVM > ------- > > The pKVM support simply creates a "hypervisor" trace_remote on the > kernel side and inherits from simple-ring-buffer.c on the hypervisor > side. > > A new event macro is created HYP_EVENT() that is under the hood re-using > REMOTE_EVENT() (defined in the previous paragaph) as well as generate > hypervisor specific struct and trace_() functions. I pulled in all the tracing related patches (1-18) and pushed it to my repo: git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace.git ring-buffer/for-next It's based on top of v7.0-rc3. I'm not going to rebase that branch, although I may built on top of it, but for now, feel free to merge it into the arm tree and put the rest of the patches on top of it. -- Steve