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context_tracking: Take idle eqs entrypoints over RCU

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The RCU dynticks counter is going to be merged into the context tracking
subsystem. Start with moving the idle extended quiescent states
entrypoints to context tracking. For now those are dumb redirections to
existing RCU calls.

[ paulmck: Apply kernel test robot feedback. ]

Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Neeraj Upadhyay <quic_neeraju@quicinc.com>
Cc: Uladzislau Rezki <uladzislau.rezki@sony.com>
Cc: Joel Fernandes <joel@joelfernandes.org>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Nicolas Saenz Julienne <nsaenz@kernel.org>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Cc: Yu Liao <liaoyu15@huawei.com>
Cc: Phil Auld <pauld@redhat.com>
Cc: Paul Gortmaker<paul.gortmaker@windriver.com>
Cc: Alex Belits <abelits@marvell.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Reviewed-by: Nicolas Saenz Julienne <nsaenzju@redhat.com>
Tested-by: Nicolas Saenz Julienne <nsaenzju@redhat.com>
This commit is contained in:
Frederic Weisbecker
2022-06-08 16:40:25 +02:00
committed by Paul E. McKenney
parent 24a9c54182
commit e67198cc05
14 changed files with 53 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
kernel/context_tracking.c
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@@ -22,6 +22,21 @@
#include <linux/export.h>
#include <linux/kprobes.h>
#ifdef CONFIG_CONTEXT_TRACKING_IDLE
noinstr void ct_idle_enter(void)
{
rcu_idle_enter();
}
EXPORT_SYMBOL_GPL(ct_idle_enter);
void ct_idle_exit(void)
{
rcu_idle_exit();
}
EXPORT_SYMBOL_GPL(ct_idle_exit);
#endif /* #ifdef CONFIG_CONTEXT_TRACKING_IDLE */
#ifdef CONFIG_CONTEXT_TRACKING_USER
#define CREATE_TRACE_POINTS