From nobody Tue Oct 7 05:22:14 2025 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id EB573287259; Fri, 3 Oct 2025 22:27:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759530446; cv=none; b=I5Ac1l05Rpa7G1nP1jUShGT3iR9fhIlWLVwr/nybRTXe+M9h9pllak1/M4uZVhK6ABHLBg8CjfF+7eHNynHh6xzLL90jKdipvt1W0hp6sRBj3CR4/yujdnb4ALr8niAHxjj16B4/LbWcJB3VOjd4Onn2BemN7NKPOzdXLW8nbe8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759530446; c=relaxed/simple; bh=dLBtBMRxPgTl5LlhBr9ohEdugqGfe8R5auGo67rDwCI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Dg7Gjm8CL0mMeCVFG+4fG7Is2496R5ySu1ocSlbGDDfbhngF41XpeQ+2ZbsSXPqauw3TPlgoAJGY6HTMj7dHgfedwMyCWzvndy36hwbsfXFZPBB41D+9kzP1K/EFxkTJQI/Zx8/iyB2oCDQYC+tkCY1WSRZbxyk6vtmBfaLZmbY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=QzlcFVsd; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="QzlcFVsd" Received: from romank-3650.corp.microsoft.com (unknown [131.107.1.188]) by linux.microsoft.com (Postfix) with ESMTPSA id 3A744211C281; Fri, 3 Oct 2025 15:27:24 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 3A744211C281 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1759530444; bh=A/sW4Txq4BEAcrtbSZAL2Hl6CGu5CJrb8pFJartsG9I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QzlcFVsd5ibqXgsF2TgLT9V3IrsPSJr+Ts4gAdJfo/ERFUiPEnuzEAdaYvJ/xe8RU x3uABocJqd4Q0Du+Ez2RWZ3e694x0c1UBDH8xtkNNGbITBE5ccb6sebXTIyUG1JGux OK3/YXtGewMTZvwoiD1JXMu9zMKiEecIxmChuIUo= From: Roman Kisel To: arnd@arndb.de, bp@alien8.de, corbet@lwn.net, dave.hansen@linux.intel.com, decui@microsoft.com, haiyangz@microsoft.com, hpa@zytor.com, kys@microsoft.com, mikelley@microsoft.com, mingo@redhat.com, tglx@linutronix.de, Tianyu.Lan@microsoft.com, wei.liu@kernel.org, x86@kernel.org, linux-hyperv@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Cc: benhill@microsoft.com, bperkins@microsoft.com, sunilmut@microsoft.com, romank@linux.microsoft.com Subject: [PATCH hyperv-next v6 16/17] Drivers: hv: Set the default VMBus version to 6.0 Date: Fri, 3 Oct 2025 15:27:09 -0700 Message-ID: <20251003222710.6257-17-romank@linux.microsoft.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251003222710.6257-1-romank@linux.microsoft.com> References: <20251003222710.6257-1-romank@linux.microsoft.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The confidential VMBus is supported by the protocol version 6.0 onwards. Attempt to establish the VMBus 6.0 connection thus enabling the confidential VMBus features when available. Signed-off-by: Roman Kisel Reviewed-by: Michael Kelley --- drivers/hv/connection.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c index 5ac9232396f7..5d9cb5bf2d62 100644 --- a/drivers/hv/connection.c +++ b/drivers/hv/connection.c @@ -51,6 +51,7 @@ EXPORT_SYMBOL_GPL(vmbus_proto_version); * Linux guests and are not listed. */ static __u32 vmbus_versions[] =3D { + VERSION_WIN10_V6_0, VERSION_WIN10_V5_3, VERSION_WIN10_V5_2, VERSION_WIN10_V5_1, @@ -65,7 +66,7 @@ static __u32 vmbus_versions[] =3D { * Maximal VMBus protocol version guests can negotiate. Useful to cap the * VMBus version for testing and debugging purpose. */ -static uint max_version =3D VERSION_WIN10_V5_3; +static uint max_version =3D VERSION_WIN10_V6_0; =20 module_param(max_version, uint, S_IRUGO); MODULE_PARM_DESC(max_version, --=20 2.43.0