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authorJan Kiszka <jan.kiszka@siemens.com>2012-01-23 20:15:11 +0100
committerAnthony Liguori <aliguori@us.ibm.com>2012-02-01 14:45:01 -0600
commit4e4fa398db69e22dcad23114eb7e33b4d89b10c4 (patch)
tree81164d18007857c81ed538a4a610578a40d28829 /console.h
parent67ed96f9f25ddd69e23c455d44d389054addf165 (diff)
qdev: Introduce lost tick policy property
Potentially tick-generating timer devices will gain a common property: lock_tick_policy. It allows to encode 4 different ways how to deal with tick events the guest did not process in time: discard - ignore lost ticks (e.g. if the guest compensates for them already) delay - replay all lost ticks in a row once the guest accepts them again merge - if multiple ticks are lost, all of them are merged into one which is replayed once the guest accepts it again slew - lost ticks are gradually replayed at a higher frequency than the original tick Not all timer device will need to support all modes. However, all need to accept the configuration via this common property. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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