Hello.
Tsutomu OWA wrote:
To add preemption checks for the NEED_RESCHED_DELAYED flag.
diff -rup linux-rt8/arch/powerpc/kernel/idle.c rt/arch/powerpc/kernel/idle.c
--- linux-rt8/arch/powerpc/kernel/idle.c 2007-02-20 14:30:38.000000000
+0900
+++ rt/arch/powerpc/kernel/idle.c 2007-02-20 15:43:04.000000000 +0900
@@ -56,7 +56,8 @@ void cpu_idle(void)
set_thread_flag(TIF_POLLING_NRFLAG);
while (1) {
- while (!need_resched() && !cpu_should_die()) {
+ while (!need_resched() && !need_resched_delayed() &&
+ !cpu_should_die()) {
ppc64_runlatch_off();
if (ppc_md.power_save) {
Argh, I've missed this one! :-(
But shouldn't we also add !need_resched_delayed() to another place below?
if (ppc_md.power_save) {
[...]
if (!need_resched() && !cpu_should_die())
WBR, Sergei
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