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The rcu_torture_fwd_prog_nr() tests the ability of RCU to tolerate in-kernel busy loops. It invokes rcu_torture_fwd_prog_cond_resched() within its delay loop, which, in PREEMPT && NO_HZ_FULL kernels results in the occasional direct call to schedule(). Now, this direct call to schedule() is appropriate for call_rcu() flood testing, in which either the kernel should restrain itself or userspace transitions will supply the needed restraint. But in pure in-kernel loops, the occasional cond_resched() should do the job. This commit therefore makes rcu_torture_fwd_prog_nr() use cond_resched() instead of rcu_torture_fwd_prog_cond_resched() in order to increase the brutality of this aspect of rcutorture testing. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> |
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| .. | ||
| Kconfig | ||
| Kconfig.debug | ||
| Makefile | ||
| rcu_segcblist.c | ||
| rcu_segcblist.h | ||
| rcu.h | ||
| rcuperf.c | ||
| rcutorture.c | ||
| srcutiny.c | ||
| srcutree.c | ||
| sync.c | ||
| tiny.c | ||
| tree_exp.h | ||
| tree_plugin.h | ||
| tree_stall.h | ||
| tree.c | ||
| tree.h | ||
| update.c | ||