From 356c7b175258f29429fb91a7641f775080ab6b49 Mon Sep 17 00:00:00 2001 From: John Levon Date: Wed, 3 Dec 2025 15:33:12 +0530 Subject: [PATCH] vfio-user: clarify partial message handling MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Improve a comment for this. Signed-off-by: John Levon Reviewed-by: Cédric Le Goater Reviewed-by: Mark Cave-Ayland Link: https://lore.kernel.org/qemu-devel/20251203100316.3604456-3-john.levon@nutanix.com Signed-off-by: Cédric Le Goater --- hw/vfio-user/proxy.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/hw/vfio-user/proxy.c b/hw/vfio-user/proxy.c index 75845d7c89..82c76c6665 100644 --- a/hw/vfio-user/proxy.c +++ b/hw/vfio-user/proxy.c @@ -362,7 +362,10 @@ static int vfio_user_recv_one(VFIOUserProxy *proxy, Error **errp) while (msgleft > 0) { ret = qio_channel_read(proxy->ioc, data, msgleft, errp); - /* prepare to complete read on next iternation */ + /* + * We'll complete this read on the next go around; keep track of the + * partial message until then. + */ if (ret == QIO_CHANNEL_ERR_BLOCK) { proxy->part_recv = msg; proxy->recv_left = msgleft; -- 2.47.3