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 62D0036AB59; Wed, 7 Jan 2026 16:00:23 +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=1767801623; cv=none; b=qa70GvNmbVwwHppH6XDtEOKbnay9O7jDX9wAa+mbacw0roWTFL/LSZWMvpq53qLq6XbZRZCr+nJiGFe0HaSXv+fr+wXLCCExRIswrY+dfmntl9qSM0iIgF5HE53kbYSwyctp37qrfJvL5fY5Omj7HG8i2anptLpX1k3vYbB391Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767801623; c=relaxed/simple; bh=kDeqG5V92SZP2NV1PoswoenUBEghTt7ONN91xP8+7Lo=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=Pl3w/uqD0OT79J1QtqT+JmD66AL6YHVBpptstvRVI9SRFu+Jf6bWAghReeO2oeqwV5GD9+t1qGLquZrxyi0Nxtc5A5naVhPDM0hlswOy/usKFAljHhaRTOdF3jw0PQNkE3PERT7vLyOrqQVGyzooKhecEQ9M1ibS2bk+Y1irWXU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=czmpa2Qg; 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="czmpa2Qg" 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) 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: 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, 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.