From: sashiko-bot@kernel.org
To: "Karthikeyan KS" <karthiproffesional@gmail.com>
Cc: virtualization@lists.linux.dev,
"Eugenio Perez" <eperezma@redhat.com>,
kvm@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [PATCH] vhost-scsi: use FOLL_PIN for DMA page pinning
Date: Wed, 07 Oct 2026 16:45:11 +0000 [thread overview]
Message-ID: <sashiko-outbox-163204@kernel.org> (raw)
In-Reply-To: <20261007163716.707102-1-karthiproffesional@gmail.com>
> vhost_scsi_map_to_sgl() pins guest buffer pages via
> iov_iter_get_pages2() (FOLL_GET), which does not prevent
> copy-on-write or page migration while DMA is in flight. Switch to
> iov_iter_extract_pages() (FOLL_PIN), which does.
>
> Cc: Jason Wang <jasowangio@gmail.com>
> Cc: Mike Christie <michael.christie@oracle.com>
> Cc: John Hubbard <jhubbard@nvidia.com>
> Cc: Michael S. Tsirkin <mst@redhat.com>
> Cc: virtualization@lists.linux.dev
> Signed-off-by: Karthikeyan KS <karthiproffesional@gmail.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261007163716.707102-1-karthiproffesional@gmail.com?part=1
prev parent reply other threads:[~2026-10-07 16:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-07 16:37 [PATCH] vhost-scsi: use FOLL_PIN for DMA page pinning Karthikeyan KS
2026-10-07 16:45 ` sashiko-bot [this message]
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