Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2024-12-28 16:52:18 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

rcu: Add lockdep_assert_irqs_disabled() to rcu_exp_need_qs()

Browse Source 
Callers to rcu_exp_need_qs() are supposed to disable interrupts, so this
commit enlists lockdep's aid in checking this.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
This commit is contained in:
Paul E. McKenney 2024-10-25 19:56:20 -07:00 committed by Uladzislau Rezki (Sony)
parent ecc5e6b0d3
commit 1bb03ad383
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
kernel/rcu/tree_exp.h
View File

@ -722,6 +722,7 @@ static void rcu_exp_sel_wait_wake(unsigned long s)
/* Request an expedited quiescent state. */
static void rcu_exp_need_qs(void)
{
lockdep_assert_irqs_disabled();
ASSERT_EXCLUSIVE_WRITER_SCOPED(*this_cpu_ptr(&rcu_data.cpu_no_qs.b.exp));
__this_cpu_write(rcu_data.cpu_no_qs.b.exp, true);
/* Store .exp before .rcu_urgent_qs. */