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Re: [PATCH-for-5.2 v2 24/25] block/nvme: Fix nvme_submit_command() on bi

From: Stefan Hajnoczi
Subject: Re: [PATCH-for-5.2 v2 24/25] block/nvme: Fix nvme_submit_command() on big-endian host
Date: Fri, 30 Oct 2020 13:57:10 +0000

On Thu, Oct 29, 2020 at 10:33:05AM +0100, Philippe Mathieu-Daudé wrote:
> The Completion Queue Command Identifier is a 16-bit value,
> so nvme_submit_command() is unlikely to work on big-endian
> hosts, as the relevant bits are truncated.
> Fix by using the correct byte-swap function.
> Fixes: bdd6a90a9e5 ("block: Add VFIO based NVMe driver")
> Reported-by: Keith Busch <kbusch@kernel.org>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
>  block/nvme.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

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