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virtio-devices: Print out error message from the iommu worker thread

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Partially fixes: #1551

Signed-off-by: Bo Chen <chen.bo@intel.com>
This commit is contained in:
Bo Chen 2020-08-14 14:33:59 -07:00 committed by Sebastien Boeuf
parent d71142277c
commit dc6c62af09
1 changed files with 6 additions and 2 deletions
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8
virtio-devices/src/iommu.rs
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@ -745,7 +745,7 @@ pub struct Iommu {
ext_mapping: BTreeMap<u32, Arc<dyn ExternalDmaMapping>>,
queue_evts: Option<Vec<EventFd>>,
interrupt_cb: Option<Arc<dyn VirtioInterrupt>>,
epoll_threads: Option<Vec<thread::JoinHandle<result::Result<(), EpollHelperError>>>>,
epoll_threads: Option<Vec<thread::JoinHandle<()>>>,
paused: Arc<AtomicBool>,
paused_sync: Arc<Barrier>,
}
@ -965,7 +965,11 @@ impl VirtioDevice for Iommu {
let mut epoll_threads = Vec::new();
thread::Builder::new()
.name("virtio_iommu".to_string())
.spawn(move || handler.run(paused, paused_sync))
.spawn(move || {
if let Err(e) = handler.run(paused, paused_sync) {
error!("Error running worker: {:?}", e);
}
})
.map(|thread| epoll_threads.push(thread))
.map_err(|e| {
error!("failed to clone the virtio-iommu epoll thread: {}", e);