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[Qemu-devel] [PATCHv2 2/2] tap: mark fd handler as device
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PATCHv2 2/2] tap: mark fd handler as device |
Date: |
Thu, 4 Nov 2010 20:06:37 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
There's no reason for tap to run when VM is stopped.
If we let it, it confuses the bridge on TX
and corrupts DMA memory on RX.
Signed-off-by: Michael S. Tsirkin <address@hidden>
---
hw/vhost_net.c | 2 +-
net/tap.c | 3 ++-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/hw/vhost_net.c b/hw/vhost_net.c
index c068be1..7061d6c 100644
--- a/hw/vhost_net.c
+++ b/hw/vhost_net.c
@@ -139,7 +139,7 @@ int vhost_net_start(struct vhost_net *net,
}
net->vc->info->poll(net->vc, false);
- qemu_set_fd_handler(net->backend, NULL, NULL, NULL);
+ qemu_set_fd_handler3(true, net->backend, NULL, NULL, NULL, NULL);
file.fd = net->backend;
for (file.index = 0; file.index < net->dev.nvqs; ++file.index) {
r = ioctl(net->dev.control, VHOST_NET_SET_BACKEND, &file);
diff --git a/net/tap.c b/net/tap.c
index 4afb314..246ef01 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -71,7 +71,8 @@ static void tap_writable(void *opaque);
static void tap_update_fd_handler(TAPState *s)
{
- qemu_set_fd_handler2(s->fd,
+ qemu_set_fd_handler3(true,
+ s->fd,
s->read_poll ? tap_can_send : NULL,
s->read_poll ? tap_send : NULL,
s->write_poll ? tap_writable : NULL,
--
1.7.3.2.91.g446ac
- [Qemu-devel] [PATCHv2 0/2] migration: stop dma while VM is stopped, Michael S. Tsirkin, 2010/11/04
- [Qemu-devel] [PATCHv2 1/2] char: separate device and system fd handlers, Michael S. Tsirkin, 2010/11/04
- [Qemu-devel] [PATCHv2 2/2] tap: mark fd handler as device,
Michael S. Tsirkin <=
- [Qemu-devel] Re: [PATCHv2 2/2] tap: mark fd handler as device, Juan Quintela, 2010/11/15
- [Qemu-devel] Re: [PATCHv2 2/2] tap: mark fd handler as device, Anthony Liguori, 2010/11/15
- [Qemu-devel] Re: [PATCHv2 2/2] tap: mark fd handler as device, Michael S. Tsirkin, 2010/11/15
- [Qemu-devel] Re: [PATCHv2 2/2] tap: mark fd handler as device, Anthony Liguori, 2010/11/15
- [Qemu-devel] Re: [PATCHv2 2/2] tap: mark fd handler as device, Michael S. Tsirkin, 2010/11/15
- [Qemu-devel] Re: [PATCHv2 2/2] tap: mark fd handler as device, Anthony Liguori, 2010/11/15
- Re: [Qemu-devel] Re: [PATCHv2 2/2] tap: mark fd handler as device, Stefan Hajnoczi, 2010/11/15
- Re: [Qemu-devel] Re: [PATCHv2 2/2] tap: mark fd handler as device, Anthony Liguori, 2010/11/15
- Re: [Qemu-devel] Re: [PATCHv2 2/2] tap: mark fd handler as device, Michael S. Tsirkin, 2010/11/15
- Re: [Qemu-devel] Re: [PATCHv2 2/2] tap: mark fd handler as device, Anthony Liguori, 2010/11/15