diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2023-11-27 00:07:31 +0100 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2023-11-28 15:48:39 +0100 |
| commit | 02b3de80c5f879f92e5f4bb3f535d172e0fc0ea0 (patch) | |
| tree | db3a33025453778ddac1a6c5e2e93214c8db180e /net/core/page_pool_user.c | |
| parent | net: page_pool: record pools per netdev (diff) | |
| download | linux-02b3de80c5f879f92e5f4bb3f535d172e0fc0ea0.tar.xz linux-02b3de80c5f879f92e5f4bb3f535d172e0fc0ea0.zip | |
net: page_pool: stash the NAPI ID for easier access
To avoid any issues with race conditions on accessing napi
and having to think about the lifetime of NAPI objects
in netlink GET - stash the napi_id to which page pool
was linked at creation time.
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net/core/page_pool_user.c')
| -rw-r--r-- | net/core/page_pool_user.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/core/page_pool_user.c b/net/core/page_pool_user.c index e5c7f078fbd4..2888aa8dd3e4 100644 --- a/net/core/page_pool_user.c +++ b/net/core/page_pool_user.c @@ -37,9 +37,11 @@ int page_pool_list(struct page_pool *pool) if (err < 0) goto err_unlock; - if (pool->slow.netdev) + if (pool->slow.netdev) { hlist_add_head(&pool->user.list, &pool->slow.netdev->page_pools); + pool->user.napi_id = pool->p.napi ? pool->p.napi->napi_id : 0; + } mutex_unlock(&page_pools_lock); return 0; |