From e150283e1f071673e1d3490cbf85651e5502d421 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Wed, 30 Jul 2008 11:01:56 +0000 Subject: Various optimizations to the scheduler. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@378 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- src/chschd.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'src/chschd.c') diff --git a/src/chschd.c b/src/chschd.c index c97eea1e8..8b606cd1b 100644 --- a/src/chschd.c +++ b/src/chschd.c @@ -174,18 +174,17 @@ void chSchWakeupS(Thread *ntp, msg_t msg) { * Intended to be called if \p chSchRescRequired() evaluates to \p TRUE. */ void chSchDoRescheduleI(void) { - /* put the running thread on the ready queue */ + Thread *otp = currp; - chSchReadyI(otp); - /* pick the first thread from the ready queue */ + /* pick the first thread from the ready queue and makes it current */ (currp = fifo_remove(&rlist.r_queue))->p_state = PRCURR; + chSchReadyI(otp); #ifdef CH_USE_ROUNDROBIN rlist.r_preempt = CH_TIME_QUANTUM; #endif #ifdef CH_USE_TRACE chDbgTrace(otp, currp); #endif - /* switch thread context */ chSysSwitchI(otp, currp); } -- cgit v1.2.3