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main-loop: remove now unnecessary optimization 

This optimization is not necessary anymore, because the vCPU now drops
the I/O thread lock even with TCG.  Drop it to simplify the code and
avoid the "I/O thread spun for 1000 iterations" warning.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2017-03-03 11:51:07 +01:00
parent 3f53bc61a4
commit e330c118f2
1 changed files with 1 additions and 4 deletions
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5
vl.c
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@ -1888,17 +1888,14 @@ static bool main_loop_should_exit(void)
static void main_loop(void)
{
bool nonblocking;
int last_io = 0;
#ifdef CONFIG_PROFILER
int64_t ti;
#endif
do {
nonblocking = tcg_enabled() && last_io > 0;
#ifdef CONFIG_PROFILER
ti = profile_getclock();
#endif
last_io = main_loop_wait(nonblocking);
main_loop_wait(false);
#ifdef CONFIG_PROFILER
dev_time += profile_getclock() - ti;
#endif