From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f72.google.com (mail-pj1-f72.google.com [209.85.216.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3DC1D4AC159 for ; Fri, 11 Sep 2026 18:10:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789150227; cv=none; b=FS/suRPJRlH+fY3pgb45H8isTMc63YkOTZjQRVzStWXuCd5Cdiluqx5eb5KIcndqRYC6wuQnACXefKbnfr/p4qAwqIlx3FrsqUejFLEST7+kSlDb00wuwAw/HbMuOMEf8LMAF1EObMJxo1mzE0ozdWaqZx4fNZM+trc/DEAUBLE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789150227; c=relaxed/simple; bh=pwGqM/+vkkzFyVI/JsfB/s0Y3ZhUGDk2RXiK+bDPZ8o=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=GmPX6Byr8Afrucxm5WI+5bZum3vq2bdwlsXnO22qIdYyJzys8aDq1/VblTzKTeuUgSXuIIJ/LBmJ/5ryyqZZlsMGCgYtF+T6JJRVoZ6DGk1KAGyyrLjMOM/tu0WmmHrTIK0FalJaYrtYDSevOlXgvl6GSFxmAirI2ThotY74OWo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=MJGBsGOL; arc=none smtp.client-ip=209.85.216.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="MJGBsGOL" Received: by mail-pj1-f72.google.com with SMTP id 98e67ed59e1d1-38e8fee6af3so1641443a91.1 for ; Fri, 11 Sep 2026 11:10:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1789150216; x=1789755016; darn=vger.kernel.org; h=content-transfer-encoding:content-type:cc:to:from:subject :message-id:references:mime-version:in-reply-to:date:from:to:cc :subject:date:message-id:reply-to:content-type; bh=vRIpRvEbMMuUyHQQxsZ0NfIJDkuNXQPXZTlmMz1Dzfo=; b=MJGBsGOL1Vx5T6qgQDRTvsJIxInyquLyKVSC/qnMOScZrZcEgx4T2oqJ3WDUKdg5D9 LDJD/LvJBtCmoPIMWA1s68nEMamgKE/2cMjfkqzTfAB1/etNNhRYdiK/f5yyB9Kbuj/O wnwOkY/5MhWTdpbUlxHOcoVoehgFqcVvZr8i+DfKwNBW1Hy/W40zJ0ADs7//MW4zsbji DcL/ZXLxFyZqBJ19Py/IxBnLrDf6HnMoZzHa2EdnOitvlsbJ/NSeQz4EJLNLfa7G64XI lyTgjxJlnWUZQ9X/hF/ggE4Dwrmaqe6Vo11E9l6VJtygoBuwUZ9desx3LNvinXdebafH ZUtg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1789150216; x=1789755016; h=content-transfer-encoding:content-type:cc:to:from:subject :message-id:references:mime-version:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=vRIpRvEbMMuUyHQQxsZ0NfIJDkuNXQPXZTlmMz1Dzfo=; b=SmMFVG0B96iYuqMqWBAFcudxO8SDd2wDKkO8lkeVd/Av4TmqFT3Z5k0Kn5oyMwpY+k CoymIK1Tu4uE7AUpRzoPSdG++gFU3SQDndMRb5zuFG3YJR1a4v8SOWWkZSjdteI2w1fc DRAUNXMFqprVMf+b/NURmah1jGa85c79puOGpHPjey+7yG38ji7CACwLZLA0fw+cTqmW FNseclg1p9uxlUhIS/izeFxS9NW3mw7mLOXy/glxitVTSe0YEntepAxLkhli/HvutXMV sgcfkFJoiLpJTOa4/1hb2eUMeK4e7i85SMGwxwUYVJ0s/BD3E3U4kXXjNTQbPAts/5Ys oHFA== X-Forwarded-Encrypted: i=1; AKwUvBxKj8kZXlj+/twRtREnZEBFxjv5CjnXwEcso/kX4B7Wv2jX84AF9ci7Idrt5HOoMqjHUAEzxfU=@vger.kernel.org X-Gm-Message-State: AFuF++nZjvPkrHmjmIlYLNXLOEG8eDwLQrSCeSl89tfx2GGnsAn/4YaX 5Etu1y7N5wJFQNv1QP5CEMelF3kn6ksdcqXgASfWWSQJHPUO0LrUBAD89nLKgzPpjPE82nGTm9e CQvmH5A== X-Received: from pjdn62.prod.google.com ([2002:a17:90a:2cc4:b0:39d:a3ec:2af1]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:3e50:b0:38e:9ef9:eb97 with SMTP id 98e67ed59e1d1-39d9c1d8f30mr10349194a91.16.1789150215466; Fri, 11 Sep 2026 11:10:15 -0700 (PDT) Date: Fri, 11 Sep 2026 11:10:14 -0700 In-Reply-To: Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260908132838.2116068-1-jmattson@google.com> Message-ID: Subject: Re: [PATCH] KVM: nVMX: Don't flush shadow VMCS12 to guest memory during vCPU teardown From: Sean Christopherson To: Jim Mattson Cc: James Houghton , Paolo Bonzini , kvm@vger.kernel.org, Yosry Ahmed , stable@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable On Fri, Sep 11, 2026, Jim Mattson wrote: > On Wed, Sep 9, 2026 at 12:00=E2=80=AFPM Sean Christopherson wrote: > > > > So, as an immediate set of changes, what if we do this over ~5 patches,= with patches > > 1 and 2 tagged for stable@? >=20 > By "we" here, you do mean the Royal "we," right? Correct. > I just want to confirm that you aren't expecting anything from me. :) Do you happen to have a selftest for this? Even if it's half-baked. I'll = take anything you have, at this point I just want a way to test the changes.