diff options
| author | Fushuai Wang <wangfushuai@baidu.com> | 2025-08-18 11:23:44 +0800 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2025-08-18 15:11:02 +0200 |
| commit | d87fdb1f27d7b1f3309bba00955f0aa1cd19b33e (patch) | |
| tree | 4b756443e1d94f846ab835498c6f21e43f5658c0 /kernel/bpf | |
| parent | selftests/bpf: Clobber a lot of registers in tailcall_bpf2bpf_hierarchy tests (diff) | |
| download | linux-d87fdb1f27d7b1f3309bba00955f0aa1cd19b33e.tar.gz linux-d87fdb1f27d7b1f3309bba00955f0aa1cd19b33e.zip | |
bpf: Replace get_next_cpu() with cpumask_next_wrap()
The get_next_cpu() function was only used in one place to find
the next possible CPU, which can be replaced by cpumask_next_wrap().
Signed-off-by: Fushuai Wang <wangfushuai@baidu.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20250818032344.23229-1-wangfushuai@baidu.com
Diffstat (limited to 'kernel/bpf')
| -rw-r--r-- | kernel/bpf/bpf_lru_list.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/kernel/bpf/bpf_lru_list.c b/kernel/bpf/bpf_lru_list.c index 2d6e1c98d8ad..e7a2fc60523f 100644 --- a/kernel/bpf/bpf_lru_list.c +++ b/kernel/bpf/bpf_lru_list.c @@ -19,14 +19,6 @@ #define LOCAL_PENDING_LIST_IDX LOCAL_LIST_IDX(BPF_LRU_LOCAL_LIST_T_PENDING) #define IS_LOCAL_LIST_TYPE(t) ((t) >= BPF_LOCAL_LIST_T_OFFSET) -static int get_next_cpu(int cpu) -{ - cpu = cpumask_next(cpu, cpu_possible_mask); - if (cpu >= nr_cpu_ids) - cpu = cpumask_first(cpu_possible_mask); - return cpu; -} - /* Local list helpers */ static struct list_head *local_free_list(struct bpf_lru_locallist *loc_l) { @@ -482,7 +474,7 @@ static struct bpf_lru_node *bpf_common_lru_pop_free(struct bpf_lru *lru, raw_spin_unlock_irqrestore(&steal_loc_l->lock, flags); - steal = get_next_cpu(steal); + steal = cpumask_next_wrap(steal, cpu_possible_mask); } while (!node && steal != first_steal); loc_l->next_steal = steal; |