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| author | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2018-06-13 11:26:41 +0100 |
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| committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2018-06-15 14:40:56 +0100 |
| commit | ad767bed5af559ed32c6dabdcaccc3f75731e1f4 (patch) | |
| tree | e29268c63f734e0d24788e5f1356d72647ab9d24 /hw/usb/dev-smartcard-reader.c | |
| parent | 7e555c6c58f095c9286814c3f9cd06196feba8a1 (diff) | |
| download | focaccia-qemu-ad767bed5af559ed32c6dabdcaccc3f75731e1f4.tar.gz focaccia-qemu-ad767bed5af559ed32c6dabdcaccc3f75731e1f4.zip | |
migration: Wake rate limiting for urgent requests
Rate limiting sleeps the migration thread for a while when it runs out of bandwidth; but sometimes we want to wake up to get on with something more urgent (like a postcopy request). Here we use a semaphore with a timedwait instead of a simple sleep; Incrementing the sempahore will wake it up sooner. Anything that consumes these urgent events must decrement the sempahore. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Message-Id: <20180613102642.23995-3-dgilbert@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'hw/usb/dev-smartcard-reader.c')
0 files changed, 0 insertions, 0 deletions