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Subject[PATCH V2 0/3] handle polling errors in vhost/vhost_net
This is an update version of last version to fix the handling of polling errors
in vhost/vhost_net.

Currently, vhost and vhost_net ignores errors of polling which can lead kernel
crashing for buggy/malicious userspace. Fix this by extending the idea of tx
polling state to all other vhost_polls and changing the state only when polling

Jason Wang (3):
vhost_net: correct error handling in vhost_net_set_backend()
vhost: handle polling errors
tuntap: don't add to waitqueue when POLLERR

drivers/net/tun.c | 5 +--
drivers/vhost/net.c | 89 ++++++++++++++++++++----------------------------
drivers/vhost/vhost.c | 25 +++++++++++---
drivers/vhost/vhost.h | 11 +++++-
4 files changed, 68 insertions(+), 62 deletions(-)

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