netdev - Re: [net-next PATCH v6 09/10] netdev-genl: spec: Add PID in netdev netlink YAML spec

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Message-ID: <20231024155026.3deb3ed7@kernel.org>
Date: Tue, 24 Oct 2023 15:50:26 -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 09/10] netdev-genl: spec: Add PID in netdev
 netlink YAML spec

On Mon, 23 Oct 2023 18:34:06 -0700 Amritha Nambiar wrote:
> +        name: pid
> +        doc: PID of the napi thread

PID of the NAPI thread, if NAPI is configured to operate in threaded
mode. If NAPI is not in threaded mode (i.e. uses normal softirq context)
the attribute will be absent.

> +        type: s32

Hm. PIDs can't be negative, right? I'm guessing POSIX defines pid_t 
as signed to store errors. We can make this u32.