From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7976CCFD647 for ; Wed, 7 Jan 2026 16:00:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: References:In-Reply-To:Subject:Cc:To:From:Message-ID:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=W4DeRV9wBa+S2y7zBnqG+P6XRfu5MLychq/j6gUepk4=; b=WoP5L6LrJvPlw/RqruL0B5j0WI 8l4vzhHIvQe0opkp+ltKxharbe4lY+5Z1dc7ipf1/cceMi+VSQjvjd1CxrDlzEp9UgyrkIKJu6Ela veVHEN631Mx1lNNbZ0nefTgmwsA2VPlH+ccpKfNXnNgjOLDUmB111kiawLxvZI4PZAJaj1LoraMZj 4ZOd7bxZstpAtSy5ehAPpGNScGjc6pGvVmZ+ZCy7M8pjMIeG1v+dfW7I0smaS+cZaaR0hVf4sIhjM QtqZw2vMYNb8n90F2lB14zbm2U5L1eRvQsqMt1zzinJEheQw3tAq2TfzCTU+0ESCKH1dwH8h+C0Fq 7vHZFxwA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vdVxc-0000000FDKr-45f2; Wed, 07 Jan 2026 16:00:36 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vdVxP-0000000FDEt-1gCp for linux-arm-kernel@lists.infradead.org; Wed, 07 Jan 2026 16:00:25 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 51CD86000A; Wed, 7 Jan 2026 16:00:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EEF69C4CEF1; Wed, 7 Jan 2026 16:00:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767801622; bh=kDeqG5V92SZP2NV1PoswoenUBEghTt7ONN91xP8+7Lo=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=czmpa2QgmsQkWisik1uqcVXOAfYJKWtKd+vLyIvUq3Na45Ylc55yIRWjLvR+tkFxV VyF5NGrV8Qxfd8CJ5SHrwyr5pfSkJP4pVsMsjG/TR9MwtHjj9zKhdcN98Y8ADpNkKR Qn0X5U3N4CcsPCA9pN1fjVLTcbB4BKpc5XAj5cZJtBs6lUi4BTMyMarmyc0ahciZ6Z vQdQn+vJrOh/WWoZHo4GZz7MQmA25zSIxpspt0BRwq5br1PdpT2n7y2aPA+OkkOwFw pkUUAMbMmeMJwBQM2bTYOn6mQZ5amj3LmA74UASvp9lIkkUPWwoGL+4mefg5NuTlO/ oO2WNcxcOEqXg== 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 1vdVxL-000000007vK-3Qny; Wed, 07 Jan 2026 16:00:19 +0000 Date: Wed, 07 Jan 2026 16:00:19 +0000 Message-ID: <867bttmmzw.wl-maz@kernel.org> From: Marc Zyngier To: Vincent Donnefort Cc: 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 Subject: Re: [PATCH v9 00/30] Tracefs support for pKVM In-Reply-To: <20251202093623.2337860-1-vdonnefort@google.com> References: <20251202093623.2337860-1-vdonnefort@google.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) 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 X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 02 Dec 2025 09:35:53 +0000, Vincent Donnefort wrote: > > The growing set of features supported by the hypervisor in protected > mode necessitates debugging and profiling tools. Tracefs is the > ideal candidate for this task: [...] I quite like the shape of this now, at least for the KVM side of things. The comments I have can be addressed down the line, and don't impact the actual functionality. Now, the first 18 patches definitely need acks from the relevant maintainers before I can queue this. Steven? M. -- Without deviation from the norm, progress is not possible.