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From: Keith Busch <kbusch@kernel.org>
To: "Philippe Mathieu-Daudé" <philmd@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>,
	Mauro Matteo Cascella <mcascell@redhat.com>,
	qemu-block@nongnu.org, David Hildenbrand <david@redhat.com>,
	Jason Wang <jasowang@redhat.com>, Li Qiang <liq3ea@gmail.com>,
	qemu-devel@nongnu.org, Peter Xu <peterx@redhat.com>,
	Qiuhao Li <Qiuhao.Li@outlook.com>,
	Alexander Bulekov <alxndr@bu.edu>, Bandan Das <bsd@redhat.com>,
	Stefan Hajnoczi <stefanha@redhat.com>,
	Klaus Jensen <its@irrelevant.dk>,
	"Edgar E . Iglesias" <edgar.iglesias@gmail.com>,
	Darren Kenny <darren.kenny@oracle.com>
Subject: Re: [PATCH 1/2] hw/nvme/ctrl: Do not ignore DMA access errors
Date: Thu, 16 Dec 2021 10:01:08 -0800	[thread overview]
Message-ID: <20211216180108.GA4165702@dhcp-10-100-145-180.wdc.com> (raw)
In-Reply-To: <20211216175510.884749-2-philmd@redhat.com>

On Thu, Dec 16, 2021 at 06:55:09PM +0100, Philippe Mathieu-Daudé wrote:
> dma_buf_read/dma_buf_write() return a MemTxResult type.
> Do not discard it, propagate the DMA error to the caller.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>

Looks good.

Reviewed-by: Keith Busch <kbusch@kernel.org>


  reply	other threads:[~2021-12-16 18:02 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-16 17:55 [PATCH 0/2] hw/nvme: Fix CVE-2021-3929 (DMA re-entrancy exploitation) Philippe Mathieu-Daudé
2021-12-16 17:55 ` [PATCH 1/2] hw/nvme/ctrl: Do not ignore DMA access errors Philippe Mathieu-Daudé
2021-12-16 18:01   ` Keith Busch [this message]
2021-12-16 17:55 ` [PATCH 2/2] hw/nvme/ctrl: Prohibit DMA accesses to devices (CVE-2021-3929) Philippe Mathieu-Daudé
2021-12-16 18:02   ` Keith Busch
2021-12-16 18:21   ` Mauro Matteo Cascella
2021-12-16 19:13 ` [PATCH 0/2] hw/nvme: Fix CVE-2021-3929 (DMA re-entrancy exploitation) Klaus Jensen
2021-12-16 19:55   ` Klaus Jensen
2021-12-20  6:40     ` Klaus Jensen

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