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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2015-10-31 00:01:18 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2015-12-07 17:01:31 -0800 |
| commit | d117c8aa1d511f76401337620b9c4ffb4c886579 (patch) | |
| tree | 46ead57622feee14e5986bde39888dea0e797f22 /kernel | |
| parent | a87f203e2731ab477386c678e59033ee103018c0 (diff) | |
| download | lwn-d117c8aa1d511f76401337620b9c4ffb4c886579.tar.gz lwn-d117c8aa1d511f76401337620b9c4ffb4c886579.zip | |
rcu: Make cpu_needs_another_gp() be bool
The cpu_needs_another_gp() function is currently of type int, but only
returns zero or one. Bow to reality and make it be of type bool.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/rcu/tree.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 9a4c8c0653ff..d6863bceeb45 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -597,25 +597,25 @@ static int rcu_future_needs_gp(struct rcu_state *rsp) * The caller must have disabled interrupts to prevent races with * normal callback registry. */ -static int +static bool cpu_needs_another_gp(struct rcu_state *rsp, struct rcu_data *rdp) { int i; if (rcu_gp_in_progress(rsp)) - return 0; /* No, a grace period is already in progress. */ + return false; /* No, a grace period is already in progress. */ if (rcu_future_needs_gp(rsp)) - return 1; /* Yes, a no-CBs CPU needs one. */ + return true; /* Yes, a no-CBs CPU needs one. */ if (!rdp->nxttail[RCU_NEXT_TAIL]) - return 0; /* No, this is a no-CBs (or offline) CPU. */ + return false; /* No, this is a no-CBs (or offline) CPU. */ if (*rdp->nxttail[RCU_NEXT_READY_TAIL]) - return 1; /* Yes, this CPU has newly registered callbacks. */ + return true; /* Yes, CPU has newly registered callbacks. */ for (i = RCU_WAIT_TAIL; i < RCU_NEXT_TAIL; i++) if (rdp->nxttail[i - 1] != rdp->nxttail[i] && ULONG_CMP_LT(READ_ONCE(rsp->completed), rdp->nxtcompleted[i])) - return 1; /* Yes, CBs for future grace period. */ - return 0; /* No grace period needed. */ + return true; /* Yes, CBs for future grace period. */ + return false; /* No grace period needed. */ } /* |