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Message-ID: <20231024153941.4c05da4b@kernel.org> Date: Tue, 24 Oct 2023 15:39:41 -0700 From: Jakub Kicinski <kuba@...nel.org> To: Amritha Nambiar <amritha.nambiar@...el.com> Cc: netdev@...r.kernel.org, pabeni@...hat.com, sridhar.samudrala@...el.com Subject: Re: [net-next PATCH v6 06/10] netdev-genl: Add netlink framework functions for napi On Mon, 23 Oct 2023 18:33:50 -0700 Amritha Nambiar wrote: > + rcu_read_lock(); > + > + napi = napi_by_id(napi_id); > + if (napi) > + err = netdev_nl_napi_fill_one(rsp, napi, info); > + else > + err = -EINVAL; > + > + rcu_read_unlock(); Is rcu_read_lock always going to be sufficient here? Reading of the thread, for example, without much locking could potentially get problematic.
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