From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout2.mo540.mail-out.ovh.net (smtpout2.mo540.mail-out.ovh.net [51.210.91.51]) (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 48A753AFAF8 for ; Tue, 22 Sep 2026 11:43:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=51.210.91.51 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790077443; cv=none; b=shhqzeV95Kr7yjiM5WwiPvH+1hv8BS1W+VjsZ7BaHdQVbSTf87P1Yidko5jigwh/aY3FSvQ3hsQpBPRnwBmdyQGmKZdKCb8FV99VIg00h9TU5VmX/LuO+W799u0BsRFn7DQXArRPw03CmLsuQY247zUpOKymkUz1BFhh+Wmupak= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790077443; c=relaxed/simple; bh=5sO9xaC3qdPyU5zJefRGniTGdXKpOQRu0LktrMQP//k=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=bUIEUM7YJtyZezA+NAK1iK0qcmDECPgIFK0+JJc+nDSS6aO2kh49Tj2yPNfCZzHLcX4qv/g3C2CyDI/AAFxPWVk3nmoY5k9GrYTkbgnxmQMYH8nJJ1wGUmcFgxFCceXAH5K/0CkuqbyQfywlpiGBathNA7nTTrfvsGSlR+j5448= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=guillain.net; spf=pass smtp.mailfrom=guillain.net; dkim=pass (2048-bit key) header.d=guillain.net header.i=@guillain.net header.b=QI9ARexo; arc=none smtp.client-ip=51.210.91.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=guillain.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=guillain.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=guillain.net header.i=@guillain.net header.b="QI9ARexo" Received: from director3.derp.mail-out.ovh.net (director3.derp.mail-out.ovh.net [79.137.60.223]) by mo540.mail-out.ovh.net (Postfix) with ESMTPS id 4hpt3B757rz41y9; Tue, 22 Sep 2026 08:06:30 +0000 (UTC) Received: from director3.derp.mail-out.ovh.net (director3.derp.mail-out.ovh.net. [127.0.0.1]) by director3.derp.mail-out.ovh.net (inspect_sender_mail_agent) with SMTP for ; Tue, 22 Sep 2026 08:06:30 +0000 (UTC) Received: from mta10.priv.ovhmail-u1.ea.mail.ovh.net (unknown [10.110.164.229]) by director3.derp.mail-out.ovh.net (Postfix) with ESMTPS id 4hpt3B5XYDz1xrq; Tue, 22 Sep 2026 08:06:30 +0000 (UTC) Received: from guillain.net (unknown [10.1.6.5]) (Authenticated sender: jean-christophe@guillain.net) by mta10.priv.ovhmail-u1.ea.mail.ovh.net (Postfix) with ESMTPSA id 9DC82781C5E; Tue, 22 Sep 2026 08:06:27 +0000 (UTC) Authentication-Results:garm.ovh; auth=pass (GARM-97G002b68a12e8-2984-420b-a186-13f4c06436ba, 1B11FA1B799B51260FD44711AD952BEFB0E4E6B4) smtp.auth=jean-christophe@guillain.net X-OVh-ClientIp:78.242.244.78 Message-ID: <792d9ce32849122eed7ecbed22e494f8b624dbc8.camel@guillain.net> Subject: Re: [PATCH v2 0/7] KVM: Serialize vCPU creation and revert vcpu_ids tracking From: Jean-Christophe Guillain To: Sean Christopherson , Madhavan Srinivasan , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Paolo Bonzini , Kiryl Shutsemau , Rick Edgecombe Cc: Nicholas Piggin , Atish Patra , Alexandre Ghiti , Dave Hansen , linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, x86@kernel.org, linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, =?UTF-8?Q?Pawe=C5=82?= S Date: Tue, 22 Sep 2026 10:06:21 +0200 In-Reply-To: <20260921174445.911676-1-seanjc@google.com> References: <20260921174445.911676-1-seanjc@google.com> Autocrypt: addr=jean-christophe@guillain.net; prefer-encrypt=mutual; keydata=mDMEaEmXaBYJKwYBBAHaRw8BAQdA1qyia8WH1pu6T8sC99WNMyKXooD/SVqJXsJOcnIux w20N0plYW4tQ2hyaXN0b3BoZSBHdWlsbGFpbiA8amVhbi1jaHJpc3RvcGhlQGd1aWxsYWluLm5ldD 6IlgQTFgoAPhYhBDk2+TsBtH9ETCTubi9QTbKhgBdPBQJoSZdoAhsBBQkSzAMABQsJCAcCBhUKCQg LAgQWAgMBAh4BAheAAAoJEC9QTbKhgBdPrq0A/icNhFTYLybFWWq1B42UvJLGs18MNRiT5aLdFv3R DfHVAQCvzsLrC/qz4rOyIpDzeb0biOu3fiDTcyvV3kPiu3xTDA== Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2-0+deb13u1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 x-ovh-tracer-id: 3964856524915166012 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: 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 DKIM-Signature: a=rsa-sha256; bh=5sO9xaC3qdPyU5zJefRGniTGdXKpOQRu0LktrMQP//k=; c=relaxed/relaxed; d=guillain.net; h=From; s=ovhmo31693-selector1; t=1790064393; v=1; b=QI9ARexol+3F2NhB7XnQCuhvcc5KGGRTJIxVXLliegLGRWPuIPgrRFpRgA9uknVR1Sa4SESl T3akrQF/XJwaq5ayxpHCczXK7rf8R+Fd8bNhEQtvvz8sZG2GzLKnoMYc8/tco6QvHsYmJEvMafX TtAMbJ/mY7WfJEV981DGq880kXmXrZ/aOpclwoGPTzFqdFq8PEtlxEF7vC12hkkttTJ4mdNv8j9 1k/pZtD2YR+61OL9hGVtPm8aNlB9Dew1189gXVMM5E9fLxZeFwmZ9tObsD7JYAlWl/ETK3Snl8f bfD4os+o5BNLcSdyv+EzHZiBwWmh286ZdNL1qWQljiwiA== Hi Sean, Just like for the first version, I tested the full V2 series with the configuration that originally triggered the build failure (CONFIG_DEBUG_KERNEL=3Dn, CONFIG_KASAN=3Dn). The kernel builds successfully on adm64, and I booted the resulting kernel and started two QEMU/KVM VMs without any issues. Tested-by: Jean-Christophe Guillain Thanks again ! Cheers, Jean-Christophe Guillain