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From: Jakub Kicinski <kuba@kernel.org>
To: "Andrea Parri (Microsoft)" <parri.andrea@gmail.com>
Cc: linux-kernel@vger.kernel.org,
	"K . Y . Srinivasan" <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	Wei Liu <wei.liu@kernel.org>,
	Michael Kelley <mikelley@microsoft.com>,
	Tianyu Lan <Tianyu.Lan@microsoft.com>,
	Saruhan Karademir <skarade@microsoft.com>,
	Juan Vazquez <juvazq@microsoft.com>,
	linux-hyperv@vger.kernel.org,
	"David S. Miller" <davem@davemloft.net>,
	netdev@vger.kernel.org
Subject: Re: [PATCH 4/4] hv_netvsc: Restrict configurations on isolated guests
Date: Wed, 20 Jan 2021 17:26:44 -0800	[thread overview]
Message-ID: <20210120172644.746656b6@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> (raw)
In-Reply-To: <20210119175841.22248-5-parri.andrea@gmail.com>

On Tue, 19 Jan 2021 18:58:41 +0100 Andrea Parri (Microsoft) wrote:
> Restrict the NVSP protocol version(s) that will be negotiated with the
> host to be NVSP_PROTOCOL_VERSION_61 or greater if the guest is running
> isolated.  Moreover, do not advertise the SR-IOV capability and ignore
> NVSP_MSG_4_TYPE_SEND_VF_ASSOCIATION messages in isolated guests, which
> are not supposed to support SR-IOV.  This reduces the footprint of the
> code that will be exercised by Confidential VMs and hence the exposure
> to bugs and vulnerabilities.
> 
> Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Jakub Kicinski <kuba@kernel.org>
> Cc: netdev@vger.kernel.org

Nothing exciting here from networking perspective, so:

Acked-by: Jakub Kicinski <kuba@kernel.org>

      parent reply	other threads:[~2021-01-21  1:47 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-19 17:58 [PATCH 0/4] Drivers: hv: vmbus: Restrict devices and configurations on 'isolated' guests Andrea Parri (Microsoft)
2021-01-19 17:58 ` [PATCH 1/4] x86/hyperv: Load/save the Isolation Configuration leaf Andrea Parri (Microsoft)
2021-01-19 17:58 ` [PATCH 2/4] Drivers: hv: vmbus: Restrict vmbus_devices on isolated guests Andrea Parri (Microsoft)
2021-01-19 17:58 ` [PATCH 3/4] Drivers: hv: vmbus: Enforce 'VMBus version >= 5.2' " Andrea Parri (Microsoft)
2021-01-19 17:58 ` [PATCH 4/4] hv_netvsc: Restrict configurations " Andrea Parri (Microsoft)
2021-01-20 19:24   ` Haiyang Zhang
2021-01-21  4:05     ` Andrea Parri
2021-01-21 16:02       ` Haiyang Zhang
2021-01-21 16:53         ` Andrea Parri
2021-01-21  1:26   ` Jakub Kicinski [this message]

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