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rcu: Changes from reviews: avoid casts, fix/add warnings, improve comments

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Changes suggested by review comments from Josh Triplett and
Mathieu Desnoyers.

Signed-off-by: Paul E. McKenney <[email protected]>
Acked-by: Josh Triplett <[email protected]>
Acked-by: Mathieu Desnoyers <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Paul E. McKenney 2009-08-27 15:00:12 -07:00 • committed by Ingo Molnar
commit 868489660d
4 changed files with 17 additions and 12 deletions
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2
kernel/rcutree.h
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@ -81,6 +81,8 @@ struct rcu_dynticks {
struct rcu_node {
spinlock_t lock;
long gpnum; /* Current grace period for this node. */
/* This will either be equal to or one */
/* behind the root rcu_node's gpnum. */
unsigned long qsmask; /* CPUs or groups that need to switch in */
/* order for current grace period to proceed.*/
unsigned long qsmaskinit;