[PATCH rcu 05/15] srcu: Standardize srcu_data pointers to "sdp" and similar

From: Paul E. McKenney
Date: Tue Oct 15 2024 - 12:12:21 EST


This commit changes a few "cpuc" variables to "sdp" to align with usage
elsewhere.

[ paulmck: Apply Neeraj Upadhyay feedback. ]

Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
Cc: Alexei Starovoitov <ast@xxxxxxxxxx>
Cc: Andrii Nakryiko <andrii@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Kent Overstreet <kent.overstreet@xxxxxxxxx>
Cc: <bpf@xxxxxxxxxxxxxxx>
---
kernel/rcu/srcutree.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c
index abe55777c4335..1e6abdf22c881 100644
--- a/kernel/rcu/srcutree.c
+++ b/kernel/rcu/srcutree.c
@@ -438,9 +438,9 @@ static unsigned long srcu_readers_lock_idx(struct srcu_struct *ssp, int idx)
unsigned long sum = 0;

for_each_possible_cpu(cpu) {
- struct srcu_data *cpuc = per_cpu_ptr(ssp->sda, cpu);
+ struct srcu_data *sdp = per_cpu_ptr(ssp->sda, cpu);

- sum += atomic_long_read(&cpuc->srcu_lock_count[idx]);
+ sum += atomic_long_read(&sdp->srcu_lock_count[idx]);
}
return sum;
}
@@ -456,11 +456,11 @@ static unsigned long srcu_readers_unlock_idx(struct srcu_struct *ssp, int idx)
unsigned long sum = 0;

for_each_possible_cpu(cpu) {
- struct srcu_data *cpuc = per_cpu_ptr(ssp->sda, cpu);
+ struct srcu_data *sdp = per_cpu_ptr(ssp->sda, cpu);

- sum += atomic_long_read(&cpuc->srcu_unlock_count[idx]);
+ sum += atomic_long_read(&sdp->srcu_unlock_count[idx]);
if (IS_ENABLED(CONFIG_PROVE_RCU))
- mask = mask | READ_ONCE(cpuc->srcu_reader_flavor);
+ mask = mask | READ_ONCE(sdp->srcu_reader_flavor);
}
WARN_ONCE(IS_ENABLED(CONFIG_PROVE_RCU) && (mask & (mask - 1)),
"Mixed NMI-safe readers for srcu_struct at %ps.\n", ssp);
@@ -564,12 +564,12 @@ static bool srcu_readers_active(struct srcu_struct *ssp)
unsigned long sum = 0;

for_each_possible_cpu(cpu) {
- struct srcu_data *cpuc = per_cpu_ptr(ssp->sda, cpu);
+ struct srcu_data *sdp = per_cpu_ptr(ssp->sda, cpu);

- sum += atomic_long_read(&cpuc->srcu_lock_count[0]);
- sum += atomic_long_read(&cpuc->srcu_lock_count[1]);
- sum -= atomic_long_read(&cpuc->srcu_unlock_count[0]);
- sum -= atomic_long_read(&cpuc->srcu_unlock_count[1]);
+ sum += atomic_long_read(&sdp->srcu_lock_count[0]);
+ sum += atomic_long_read(&sdp->srcu_lock_count[1]);
+ sum -= atomic_long_read(&sdp->srcu_unlock_count[0]);
+ sum -= atomic_long_read(&sdp->srcu_unlock_count[1]);
}
return sum;
}
--
2.40.1