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| author | Lukas Straub <lukasstraub2@web.de> | 2020-05-22 15:53:53 +0800 |
|---|---|---|
| committer | Jason Wang <jasowang@redhat.com> | 2020-06-18 21:05:52 +0800 |
| commit | 9c55fe94081dd15148428d32e60fd75ec2eb37ec (patch) | |
| tree | f2ba3917f28c48f65334fa1957a38fd051b1ba7b /qemu.sasl | |
| parent | 2158fa1be7c1e76e2c25c32d75bb38e90cce0267 (diff) | |
| download | qemu-9c55fe94081dd15148428d32e60fd75ec2eb37ec.zip qemu-9c55fe94081dd15148428d32e60fd75ec2eb37ec.tar.gz qemu-9c55fe94081dd15148428d32e60fd75ec2eb37ec.tar.bz2 | |
net/colo-compare.c: Fix deadlock in compare_chr_send
The chr_out chardev is connected to a filter-redirector
running in the main loop. qemu_chr_fe_write_all might block
here in compare_chr_send if the (socket-)buffer is full.
If another filter-redirector in the main loop want's to
send data to chr_pri_in it might also block if the buffer
is full. This leads to a deadlock because both event loops
get blocked.
Fix this by converting compare_chr_send to a coroutine and
putting the packets in a send queue.
Signed-off-by: Lukas Straub <lukasstraub2@web.de>
Reviewed-by: Zhang Chen <chen.zhang@intel.com>
Tested-by: Zhang Chen <chen.zhang@intel.com>
Signed-off-by: Zhang Chen <chen.zhang@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'qemu.sasl')
0 files changed, 0 insertions, 0 deletions