This is a note to let you know that I've just added the patch titled
xen-netback: vif counters from int/long to u64
to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: xen-netback-vif-counters-from-int-long-to-u64.patch and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From foo@baz Wed Dec 6 17:39:55 CET 2017
From: Mart van Santen mart@greenhost.nl Date: Fri, 10 Feb 2017 12:02:18 +0000 Subject: xen-netback: vif counters from int/long to u64
From: Mart van Santen mart@greenhost.nl
[ Upstream commit ebf692f85ff78092cd238166d8d7ec51419f9c02 ]
This patch fixes an issue where the type of counters in the queue(s) and interface are not in sync (queue counters are int, interface counters are long), causing incorrect reporting of tx/rx values of the vif interface and unclear counter overflows. This patch sets both counters to the u64 type.
Signed-off-by: Mart van Santen mart@greenhost.nl Reviewed-by: Paul Durrant paul.durrant@citrix.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/xen-netback/common.h | 8 ++++---- drivers/net/xen-netback/interface.c | 8 ++++---- 2 files changed, 8 insertions(+), 8 deletions(-)
--- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -113,10 +113,10 @@ struct xenvif_stats { * A subset of struct net_device_stats that contains only the * fields that are updated in netback.c for each queue. */ - unsigned int rx_bytes; - unsigned int rx_packets; - unsigned int tx_bytes; - unsigned int tx_packets; + u64 rx_bytes; + u64 rx_packets; + u64 tx_bytes; + u64 tx_packets;
/* Additional stats used by xenvif */ unsigned long rx_gso_checksum_fixup; --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -225,10 +225,10 @@ static struct net_device_stats *xenvif_g { struct xenvif *vif = netdev_priv(dev); struct xenvif_queue *queue = NULL; - unsigned long rx_bytes = 0; - unsigned long rx_packets = 0; - unsigned long tx_bytes = 0; - unsigned long tx_packets = 0; + u64 rx_bytes = 0; + u64 rx_packets = 0; + u64 tx_bytes = 0; + u64 tx_packets = 0; unsigned int index;
spin_lock(&vif->lock);
Patches currently in stable-queue which might be from mart@greenhost.nl are
queue-4.9/xen-netback-vif-counters-from-int-long-to-u64.patch