From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CB6F3283128; Thu, 17 Jul 2025 09:01:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752742883; cv=none; b=nRgGYRVZ5cdkDiHWpVDUZICLuSBCsnpI1PRQJGW/WiRyKhQhVnqHbZ0baAKHnm7kMQ65S/GDg4CI8we+uUyAKd2tfHl8LWKP3S98OqWY4y5vxAG4BParSuRf2efc0kqkX06S2HvnHgXD4o/Q/lCJ19qr7mJGi3zq076LCsoeJZk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752742883; c=relaxed/simple; bh=VrjqMhuxSNPKShrpTJDxPztORNSNWIlNmf8BnKhuq2Y=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version:Content-Type; b=ug2O4gkSCgqnySTWnpW4ht+zkmIn7DyJdzFsrbGLgFhtYhevCN9d6+X6J/lUjQEkjhDrmSTXmvxvMFb/xNR59pPKDUFVzEC6pdUb/TaL3PYqBN/CtfJtp1qQsovEMrVXI8ZRtVAZNG9itsxlFqW+hq1x2H2bnO1a5/sgIJVQMzY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=A5HsNl+Q; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="A5HsNl+Q" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B0ACC4CEE3; Thu, 17 Jul 2025 09:01:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752742883; bh=VrjqMhuxSNPKShrpTJDxPztORNSNWIlNmf8BnKhuq2Y=; h=From:To:Cc:Subject:Date:From; b=A5HsNl+QTUvYP1zmvxgOd2/dU7P39nog3xQjGk2RY0ir0A61KaiIMWRzSWoQ3AvLo UV+JlUYLZTN9DHkmFvrADEs+ZV0PEl7whviCZLxTbyAP5Ec/hNiGvrEHjRmB7YQR1j ZZbKtKIYLmNRV8VJqNAC8/V7qAVaLCdntfTfTHPY8moMU6m129ATjAbY9V+RZDw7bN VOIO5ySnpDG+QwFtPnL8/SVqjMts36/5QtzvlGQ0thXektPAocGds/uGT0r/NvdvSK E6AFokQiL3L6l90/ajAJiwPAeCFdMsjeQ0xh0LanwYfbIomZ3+SrMiOrQIfD95uPug 5db4bKbMUnqlw== From: Will Deacon To: linux-kernel@vger.kernel.org Cc: Will Deacon , Keir Fraser , Steven Moreland , Frederick Mayle , Stefan Hajnoczi , Stefano Garzarella , "Michael S. Tsirkin" , Jason Wang , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , netdev@vger.kernel.org, virtualization@lists.linux.dev Subject: [PATCH v4 0/9] vsock/virtio: SKB allocation improvements Date: Thu, 17 Jul 2025 10:01:07 +0100 Message-Id: <20250717090116.11987-1-will@kernel.org> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Hi all, Here is version four of the patches I previously posted here: v1: https://lore.kernel.org/r/20250625131543.5155-1-will@kernel.org v2: https://lore.kernel.org/r/20250701164507.14883-1-will@kernel.org v3: https://lore.kernel.org/r/20250714152103.6949-1-will@kernel.org There are only two minor changes since v3: * Use unlikely() in payload length check on the virtio rx path * Add R-b tags from Stefano Cheers, Will Cc: Keir Fraser Cc: Steven Moreland Cc: Frederick Mayle Cc: Stefan Hajnoczi Cc: Stefano Garzarella Cc: "Michael S. Tsirkin" Cc: Jason Wang Cc: "Eugenio Pérez" Cc: linux-kernel@vger.kernel.org Cc: netdev@vger.kernel.org Cc: virtualization@lists.linux.dev --->8 Will Deacon (9): vhost/vsock: Avoid allocating arbitrarily-sized SKBs vsock/virtio: Validate length in packet header before skb_put() vsock/virtio: Move length check to callers of virtio_vsock_skb_rx_put() vsock/virtio: Resize receive buffers so that each SKB fits in a 4K page vsock/virtio: Rename virtio_vsock_alloc_skb() vsock/virtio: Move SKB allocation lower-bound check to callers vhost/vsock: Allocate nonlinear SKBs for handling large receive buffers vsock/virtio: Rename virtio_vsock_skb_rx_put() vsock/virtio: Allocate nonlinear SKBs for handling large transmit buffers drivers/vhost/vsock.c | 15 ++++---- include/linux/virtio_vsock.h | 46 +++++++++++++++++++------ net/vmw_vsock/virtio_transport.c | 20 ++++++++--- net/vmw_vsock/virtio_transport_common.c | 3 +- 4 files changed, 60 insertions(+), 24 deletions(-) -- 2.50.0.727.gbf7dc18ff4-goog