From: Wei Yang Date: Fri, 12 Jun 2020 02:07:52 +0000 (+0800) Subject: rcu: gp_max is protected by root rcu_node's lock X-Git-Tag: v5.10.7~2014^2^2^2~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=00943a609d7ad0f08e58bc9c214f38b0ba163c88;p=platform%2Fkernel%2Flinux-rpi.git rcu: gp_max is protected by root rcu_node's lock Because gp_max is protected by root rcu_node's lock, this commit moves the gp_max definition to the region of the rcu_node structure containing fields protected by this lock. Signed-off-by: Wei Yang Signed-off-by: Paul E. McKenney --- diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 575745f..09ec93b 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -302,6 +302,8 @@ struct rcu_state { u8 boost ____cacheline_internodealigned_in_smp; /* Subject to priority boost. */ unsigned long gp_seq; /* Grace-period sequence #. */ + unsigned long gp_max; /* Maximum GP duration in */ + /* jiffies. */ struct task_struct *gp_kthread; /* Task for grace periods. */ struct swait_queue_head gp_wq; /* Where GP task waits. */ short gp_flags; /* Commands for GP task. */ @@ -347,8 +349,6 @@ struct rcu_state { /* a reluctant CPU. */ unsigned long n_force_qs_gpstart; /* Snapshot of n_force_qs at */ /* GP start. */ - unsigned long gp_max; /* Maximum GP duration in */ - /* jiffies. */ const char *name; /* Name of structure. */ char abbr; /* Abbreviated name. */