From: Jakub Kicinski <kuba@kernel.org>
To: Hangbin Liu <hangbin.liu@linux.dev>
Cc: davem@davemloft.net, netdev@vger.kernel.org, edumazet@google.com,
pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org,
daniel@iogearbox.net, razor@blackwall.org,
bobbyeshleman@meta.com, sdf@fomichev.me
Subject: Re: [PATCH net-next v2 2/3] netdev: avoid skipping objects on race with device disappearance
Date: Tue, 1 Sep 2026 08:02:34 -0700 [thread overview]
Message-ID: <20260901080234.522d1921@kernel.org> (raw)
In-Reply-To: <apaXopeQGUR-xku2@fedora>
On Tue, 1 Sep 2026 17:15:14 +0800 Hangbin Liu wrote:
> > @@ -312,11 +312,14 @@ int netdev_nl_napi_get_dumpit(struct sk_buff *skb, struct netlink_callback *cb)
> > err = -ENODEV;
> > }
> > } else {
> > + unsigned long start_ifindex = ctx->ifindex;
>
> The NETDEV_A_QUEUE_IFINDEX policy is u32. And all ifindex getting/setting
> in 6b6171db7fc8 ("netdev-genl: Add netlink framework functions for queue")
> is u32. Why the ifindex is defined to unsigned long?
Off the top of my head - because it's am xarray iterator
next prev parent reply other threads:[~2026-09-01 15:02 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-31 16:41 [PATCH net-next v2 0/3] netdev: address a handful of nit picks Jakub Kicinski
2026-08-31 16:41 ` [PATCH net-next v2 1/3] netdev: correct error code in netdev_nl_queue_fill_lease() Jakub Kicinski
2026-09-01 6:58 ` Nikolay Aleksandrov
2026-08-31 16:41 ` [PATCH net-next v2 2/3] netdev: avoid skipping objects on race with device disappearance Jakub Kicinski
2026-09-01 6:58 ` Nikolay Aleksandrov
2026-09-01 9:15 ` Hangbin Liu
2026-09-01 15:02 ` Jakub Kicinski [this message]
2026-09-02 1:42 ` Hangbin Liu
2026-09-02 19:43 ` [net-next,v2,2/3] " netdev-bot+sashiko
2026-08-31 16:41 ` [PATCH net-next v2 3/3] netdev: don't use dev->flags for IFF_UP Jakub Kicinski
2026-09-01 6:59 ` Nikolay Aleksandrov
2026-09-03 2:20 ` [PATCH net-next v2 0/3] netdev: address a handful of nit picks patchwork-bot+netdevbpf
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