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aio / timers: Use all timerlists in icount warp calculations

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Notify all timerlists derived from vm_clock in icount warp
calculations.

When calculating timer delay based on vm_clock deadline, use
all timerlists.

For compatibility, maintain an apparent bug where when using
icount, if no vm_clock timer was set, qemu_clock_deadline
would return INT32_MAX and always set an icount clock expiry
about 2 seconds ahead.

NB: thread safety - when different timerlists sit on different
threads, this will need some locking.

Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Alex Bligh 2013-08-21 16:02:57 +01:00 • committed by Stefan Hajnoczi
parent a3a726ae09
commit ac70aafc28
4 changed files with 67 additions and 10 deletions
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2
qtest.c
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@ -412,7 +412,7 @@ static void qtest_process_command(CharDriverState *chr, gchar **words)
if (words[1]) {
ns = strtoll(words[1], NULL, 0);
} else {
ns = qemu_clock_deadline(vm_clock);
ns = qemu_clock_deadline_ns_all(vm_clock);
}
qtest_clock_warp(qemu_get_clock_ns(vm_clock) + ns);
qtest_send_prefix(chr);