From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C728422126C; Wed, 11 Mar 2026 09:02:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773219736; cv=none; b=o8/+7LZrLq01E8yYnkDkb2WsD2Pu6WcyCtWn96cwwLohYiFCLsKEdvcQQOpmEKCtbcflEpN6n1cjdHjGa7UfLcKwrRsuAcL1DcD/8NfGmj3FC53ymdLOUh2udmarCSjOL5eoGfejgIm81baibeL+VtNn9Au2/e14TlZacy/GDZQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773219736; c=relaxed/simple; bh=Qrm1Kiz5HWZak3PsHD74SSOh7XDraSGGUCTaqtCaa6s=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=QYpCwXaLfJw69SEVgkBwtAlybVEjFrRvYOxTfBpt+XvEJAWl2CxOyB0IMaKRPqqKtEdyWwl4Y4nllaaHZ4c/6ZMFNfoP5/Vv60Hir0xAu+G3Cu85pQ4Ud22468mZRyUfxVMX0MzM5Ifi3bvqWq2iQkTDRQpfBoMLTGWDgLKCIu4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=i7Mj8Vew; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="i7Mj8Vew" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 72022C2BCAF; Wed, 11 Mar 2026 09:02:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773219736; bh=Qrm1Kiz5HWZak3PsHD74SSOh7XDraSGGUCTaqtCaa6s=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=i7Mj8VewEbIa4Vcrcj0GGMlLlDS6QHzbE8eUiwFgfn2oYfmhYNOyEtRrjvSm27aju EPq9uDInnrI8iPxsSaLiTJ/ivdmGffyRmGNAGs+9ORsdqZDCOiaI8V9xbzu3vxoJx4 F1nzGBGunBAaSl5Cor+yID2pLmt/x5jS1U7Ux/kYs0v+WI0Egrnq/jy7X/Fv+4gtkK bblxsuz9D5igfRvfWk4yeCpKQbN/p4CocSVHUQNZU+G8RT/5MW8t05d24y6A+29Rfk zpiqK6HvNQYElKVm87Kry+TGMxOhsOOps3c3qMe1ZpK6sXDtpjo4lY8rKus4IUpk/J 31aINJuTraSjg== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-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 1w0FSI-00000000mTX-1OVO; Wed, 11 Mar 2026 09:02:14 +0000 Date: Wed, 11 Mar 2026 09:02:13 +0000 Message-ID: <86a4we7n8q.wl-maz@kernel.org> From: Marc Zyngier To: Vincent Donnefort , Steven Rostedt Cc: mhiramat@kernel.org, mathieu.desnoyers@efficios.com, linux-trace-kernel@vger.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 In-Reply-To: <20260310104301.665bc684@gandalf.local.home> References: <20260309162516.2623589-1-vdonnefort@google.com> <20260310104301.665bc684@gandalf.local.home> 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-trace-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: vdonnefort@google.com, rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, linux-trace-kernel@vger.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 X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false On Tue, 10 Mar 2026 14:43:01 +0000, Steven Rostedt wrote: > > 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. I've now picked up this branch (as of a717943d8ecc0) and stashed patches 19-30 on top. The result is pushed out in kvmarm/next. Thanks, M. -- Without deviation from the norm, progress is not possible.