linux-toradex.git/include/linux/rcupdate.h, branch v4.13-rc4

rcu: Remove #ifdef moving rcu_end_inkernel_boot from rcupdate.h

2017-06-09T01:52:40+00:00

This commit removes a #ifdef and saves a few lines of code by moving
the rcu_end_inkernel_boot() function from include/linux/rcupdate.h to
include/linux/rcutiny.h (for TINY_RCU) and to include/linux/rcutree.h
(for TREE_RCU).

Signed-off-by: Paul E. McKenney

rcu: Remove nohz_full full-system-idle state machine

2017-06-09T01:52:39+00:00

The NO_HZ_FULL_SYSIDLE full-system-idle capability was added in 2013
by commit 0edd1b1784cb ("nohz_full: Add full-system-idle state machine"),
but has not been used.  This commit therefore removes it.

If it turns out to be needed later, this commit can always be reverted.

Signed-off-by: Paul E. McKenney 
Cc: Frederic Weisbecker 
Cc: Rik van Riel 
Cc: Ingo Molnar 
Acked-by: Linus Torvalds

rcu: Refactor #includes from include/linux/rcupdate.h

2017-06-09T01:52:37+00:00

The list of #includes from include/linux/rcupdate.h has grown quite
a bit, so it is time to trim it.  This commit moves the #include
of include/linux/ktime.h to include/linux/rcutiny.h, along with the
Tiny-RCU-only function that was the only thing needing ktimem.h.  It then
reconstructs the files included into include/linux/ktime.h based on what
is actually needed, with significant help from the 0day Test Robot.

This single change reduces the .i file footprint from rcupdate.h from
9018 lines to 7101 lines.

Reported-by: Ingo Molnar 
Signed-off-by: Paul E. McKenney

rcu: move rcupdate.h to the new true/false-function style

2017-06-09T01:52:32+00:00

This commit saves a few lines in include/linux/rcupdate.h by moving
to single-line definitions for functions that just return either true
or false, instead of the old style where the two curly braces each get
their own line.

Signed-off-by: Paul E. McKenney

rcu: Move rcu_ftrace_dump() from rcupdate.h to rcu.h

2017-06-09T01:52:32+00:00

The rcu_ftrace_dump() function is used only internally to RCU.  This
commit therefore moves its declaration from include/linux/rcupdate.h
to kernel/rcu/rcu.h.

Reported-by: Ingo Molnar 
Signed-off-by: Paul E. McKenney

rcu: Move rcu_is_nocb_cpu() from rcupdate.h to rcu.h

2017-06-09T01:52:31+00:00

The rcu_is_nocb_cpu() function is used only internally to RCU.  This
commit therefore moves its declaration from include/linux/rcupdate.h
to kernel/rcu/rcu.h.

Reported-by: Ingo Molnar 
Signed-off-by: Paul E. McKenney

rcu: Remove linux/debugobjects.h from rcupdate.h

2017-06-09T01:52:31+00:00

The include/linux/rcupdate.h file does not actually need anything from
linux/debugobjects.h, so this commit removes the inclusion.

Reported-by: Ingo Molnar 
Signed-off-by: Paul E. McKenney

rcu: Move the RCU_SCHEDULER_ definitions from rcupdate.h

2017-06-09T01:52:30+00:00

The RCU_SCHEDULER_INACTIVE, RCU_SCHEDULER_INIT, and RCU_SCHEDULER_RUNNING
definitions are used only within RCU, so this commit moves them from
include/linux/rcupdate.h to kernel/rcu/rcu.h.

Reported-by: Ingo Molnar 
Signed-off-by: Paul E. McKenney

rcu: Eliminate the unused __rcu_is_watching() function

2017-06-09T01:52:30+00:00

The __rcu_is_watching() function is currently not used, aside from
to implement the rcu_is_watching() function.  This commit therefore
eliminates __rcu_is_watching(), which has the beneficial side-effect
of shrinking include/linux/rcupdate.h a bit.

Reported-by: Ingo Molnar 
Signed-off-by: Paul E. McKenney

rcu: Move rcupdate.h to new empty-function style

2017-06-09T01:52:29+00:00

This commit saves a few lines in include/linux/rcupdate.h by moving
to single-line definitions for empty functions, instead of the old
style where the two curly braces each get their own line.

Reported-by: Ingo Molnar 
Signed-off-by: Paul E. McKenney