From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org, Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Sasha Levin" <sashal@kernel.org>,
"Alexander Martyniuk" <alexevgmart@gmail.com>,
lvc-project@linuxtesting.org,
"Michael S. Tsirkin" <mst@redhat.com>,
"Jason Wang" <jasowang@redhat.com>,
"Xuan Zhuo" <xuanzhuo@linux.alibaba.com>,
"Eugenio Pérez" <eperezma@redhat.com>,
"Stefan Hajnoczi" <stefanha@redhat.com>,
"Stefano Garzarella" <sgarzare@redhat.com>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Simon Horman" <horms@kernel.org>,
"Arseniy Krasnov" <avkrasnov@salutedevices.com>,
virtualization@lists.linux.dev, kvm@vger.kernel.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
"Maher Azzouzi" <maherazz04@gmail.com>
Subject: Re: [PATCH 6.12] vsock/virtio: fix zerocopy completion for multi-skb sends
Date: Sun, 19 Jul 2026 11:00:15 -0400 [thread overview]
Message-ID: <20260718192718.0001-stable-reply@kernel.org> (raw)
In-Reply-To: <20260716163600.115458-1-alexevgmart@gmail.com>
> When a large message is fragmented into multiple skbs, the zerocopy
> uarg is only allocated and attached to the last skb in the loop.
> Non-final skbs carry pinned user pages with no completion tracking,
> so the kernel has no way to notify userspace when those pages are safe
> to reuse.
Queued for 6.12, thanks.
--
Thanks,
Sasha
prev parent reply other threads:[~2026-07-19 15:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-16 16:35 [PATCH 6.12] vsock/virtio: fix zerocopy completion for multi-skb sends Alexander Martyniuk
2026-07-17 16:46 ` sashiko-bot
2026-07-19 15:00 ` Sasha Levin [this message]
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