From: "Paul E. McKenney" <paulmck@kernel.org> mainline inclusion from mainline-v5.12-rc1 commit c26165efac41bce0c7764262b21f5897e771f34f category: bugfix bugzilla: https://e.gitee.com/open_euler/issues/list?issue=I4SV19 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i... ------------------------------------------------------------------------- Tasks Trace RCU uses irq_work_queue() to safely awaken its grace-period kthread, so this commit therefore causes the TASKS_TRACE_RCU Kconfig option select the IRQ_WORK Kconfig option. Reported-by: kernel test robot <lkp@intel.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Reviewed-by: Hanjun Guo <guohanjun@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> --- kernel/rcu/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/rcu/Kconfig b/kernel/rcu/Kconfig index b71e21f73c40..84dfa8dae1b2 100644 --- a/kernel/rcu/Kconfig +++ b/kernel/rcu/Kconfig @@ -95,6 +95,7 @@ config TASKS_RUDE_RCU config TASKS_TRACE_RCU def_bool 0 + select IRQ_WORK help This option enables a task-based RCU implementation that uses explicit rcu_read_lock_trace() read-side markers, and allows -- 2.20.1