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bpf, cpumap: Remove unused cmap field from bpf_cpu_map_entry 

Since commit cdfafe98ca ("xdp: Make cpumap flush_list common for all
map instances"), cmap is no longer used, so just remove it.

Signed-off-by: Hou Tao <houtao1@huawei.com>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20230728014942.892272-2-houtao@huaweicloud.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
This commit is contained in:
Hou Tao 2023-07-28 09:49:41 +08:00 committed by Martin KaFai Lau
parent 81584c23f2
commit 2d20bfc315
1 changed files with 0 additions and 3 deletions
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3
kernel/bpf/cpumap.c
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@ -60,8 +60,6 @@ struct bpf_cpu_map_entry {
/* XDP can run multiple RX-ring queues, need __percpu enqueue store */
struct xdp_bulk_queue __percpu *bulkq;
struct bpf_cpu_map *cmap;
/* Queue with potential multi-producers, and single-consumer kthread */
struct ptr_ring *queue;
struct task_struct *kthread;
@ -588,7 +586,6 @@ static long cpu_map_update_elem(struct bpf_map *map, void *key, void *value,
rcpu = __cpu_map_entry_alloc(map, &cpumap_value, key_cpu);
if (!rcpu)
return -ENOMEM;
rcpu->cmap = cmap;
}
rcu_read_lock();
__cpu_map_entry_replace(cmap, key_cpu, rcpu);