netdev - Re: [PATCH net-next v6 02/19] psp: base PSP device support

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Message-ID: <67a52aff-6f78-48ce-b407-d293fdf86210@redhat.com>
Date: Thu, 14 Aug 2025 16:21:49 +0200
From: Paolo Abeni <pabeni@...hat.com>
To: Daniel Zahka <daniel.zahka@...il.com>,
 Donald Hunter <donald.hunter@...il.com>, Jakub Kicinski <kuba@...nel.org>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Simon Horman <horms@...nel.org>, Jonathan Corbet <corbet@....net>,
 Andrew Lunn <andrew+netdev@...n.ch>
Cc: Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky <leon@...nel.org>,
 Tariq Toukan <tariqt@...dia.com>, Boris Pismenny <borisp@...dia.com>,
 Kuniyuki Iwashima <kuniyu@...gle.com>, Willem de Bruijn
 <willemb@...gle.com>, David Ahern <dsahern@...nel.org>,
 Neal Cardwell <ncardwell@...gle.com>, Patrisious Haddad
 <phaddad@...dia.com>, Raed Salem <raeds@...dia.com>,
 Jianbo Liu <jianbol@...dia.com>, Dragos Tatulea <dtatulea@...dia.com>,
 Rahul Rameshbabu <rrameshbabu@...dia.com>,
 Stanislav Fomichev <sdf@...ichev.me>,
 Toke Høiland-Jørgensen <toke@...hat.com>,
 Alexander Lobakin <aleksander.lobakin@...el.com>,
 Kiran Kella <kiran.kella@...adcom.com>,
 Jacob Keller <jacob.e.keller@...el.com>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v6 02/19] psp: base PSP device support

On 8/12/25 2:29 AM, Daniel Zahka wrote:
> +/**
> + * psp_dev_unregister() - unregister PSP device
> + * @psd:	PSP device structure
> + */
> +void psp_dev_unregister(struct psp_dev *psd)
> +{
> +	mutex_lock(&psp_devs_lock);
> +	mutex_lock(&psd->lock);
> +
> +	psp_nl_notify_dev(psd, PSP_CMD_DEV_DEL_NTF);
> +	xa_store(&psp_devs, psd->id, NULL, GFP_KERNEL);

It's not 110% obvious to me that the above is equivalent to xa_clear(),
given the XA_FLAGS_ALLOC1 init flag. If you have to re-submit, please
consider using xa_clear() instead.

/P