BUG/MINOR: mworker: disable busy polling in the master process

When enabling busy polling, we don't want the master to use it, or it
wastes a dedicated processor to this!

Must be backported to 1.9.

diff --git a/src/haproxy.c b/src/haproxy.c
index 3477ca54e421d185f587f8fef83aad95d2698169..fb6481b78a32b1845a97ba8634513df03e3fdfb6 100644 (file)
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -650,6 +650,8 @@ static void mworker_loop()
        if (global.tune.options & GTUNE_USE_SYSTEMD)
                sd_notifyf(0, "READY=1\nMAINPID=%lu", (unsigned long)getpid());
 #endif
+       /* Busy polling makes no sense in the master :-) */
+       global.tune.options &= ~GTUNE_BUSY_POLLING;
 
        master = 1;