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srcu: Standardize srcu_data pointers to "sdp" and similar

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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@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: <bpf@vger.kernel.org>
Reviewed-by: Neeraj Upadhyay <Neeraj.Upadhyay@amd.com>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
This commit is contained in:
Paul E. McKenney 2024-10-15 09:11:02 -07:00 committed by Frederic Weisbecker
parent c2f9467c77
commit 9a87bda2b6
1 changed files with 10 additions and 10 deletions
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20
kernel/rcu/srcutree.c
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@ -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;
}