From: SeongJae Park <sj38.park@xxxxxxxxx>
'Deadlock Immunity' paragraph prohibits synchronous RCU update-side
primitives within RCU read-side critical section. This means those in
'RCU Wait-to-Finish APIs' table, but someone might think those as
general RCU update-side primitives like 'rcu_assign_pointer()'. To make
it clear, provide the reference to the table.
Signed-off-by: SeongJae Park <sj38.park@xxxxxxxxx>
---
defer/rcuusage.tex | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/defer/rcuusage.tex b/defer/rcuusage.tex
index 8c45093f..18abf340 100644
--- a/defer/rcuusage.tex
+++ b/defer/rcuusage.tex
@@ -1209,7 +1209,9 @@ rcu_read_unlock();
result of the grace period completing.
Plus Linux kernel's lockdep facility will yell at you.
- In short, do not invoke synchronous RCU update-side primitives
+ In short, do not invoke synchronous RCU update-side primitives, which
+ are listed in
+ \cref{tab:defer:RCU Wait-to-Finish APIs},
from within an RCU read-side critical section.
In addition, within the Linux kernel, RCU uses the scheduler
--
2.17.1
