From: Jan Kiszka <[email protected]> Except for timer events, we currently do not leave the loop over all VCPUs if an IO event was filed. That may cause unexpected IO latencies under !CONFIG_IOTHREAD in SMP scenarios. Fix it by setting the global exit_request which breaks the loop.
Signed-off-by: Jan Kiszka <[email protected]> Signed-off-by: Marcelo Tosatti <[email protected]> --- cpus.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/cpus.c b/cpus.c index ceb3a83..5dfc54e 100644 --- a/cpus.c +++ b/cpus.c @@ -315,6 +315,7 @@ void qemu_notify_event(void) if (next_cpu && env != next_cpu) { cpu_exit(next_cpu); } + exit_request = 1; } void qemu_mutex_lock_iothread(void) {} -- 1.7.2.3 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
