[PATCH] fix bug in yield()

From: Paul Mackerras (paulus@samba.org)
Date: Sun Aug 18 2002 - 20:56:04 EST

This patch makes yield() actually call schedule.

Without this patch, 2.4.20-pre3 will hang on boot for me, looping in
spawn_ksoftirqd waiting for ksoftirqd to start and calling yield().
ksoftirqd never gets to run, however, because yield never actually
calls schedule. (Note that sys_sched_yield as a syscall is OK because
the syscall exit path will check current->need_resched and call


diff -urN linux-2.4/kernel/sched.c pmac/kernel/sched.c
--- linux-2.4/kernel/sched.c Wed Aug 7 18:10:01 2002
+++ pmac/kernel/sched.c Mon Aug 19 10:39:39 2002
@@ -1081,6 +1081,7 @@
+ schedule();
 void __cond_resched(void)

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This archive was generated by hypermail 2b29 : Fri Aug 23 2002 - 22:00:16 EST