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From: Simon Horman <horms@kernel.org>
To: Steffen Klassert <steffen.klassert@secunet.com>
Cc: netdev@vger.kernel.org, devel@linux-ipsec.org,
	Paul Wouters <paul@nohats.ca>,
	Antony Antony <antony.antony@secunet.com>,
	Tobias Brunner <tobias@strongswan.org>, Daniel Xu <dxu@dxuuu.xyz>
Subject: Re: [PATCH ipsec-next 1/3] xfrm: Add support for per cpu xfrm state handling.
Date: Sun, 14 Apr 2024 12:05:34 +0100	[thread overview]
Message-ID: <20240414110534.GD645060@kernel.org> (raw)
In-Reply-To: <20240412060553.3483630-2-steffen.klassert@secunet.com>

On Fri, Apr 12, 2024 at 08:05:51AM +0200, Steffen Klassert wrote:

...

> diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c

...

> @@ -1115,13 +1120,18 @@ static void xfrm_state_look_at(struct xfrm_policy *pol, struct xfrm_state *x,
>  							&fl->u.__fl_common))
>  			return;
>  
> +		if (x->pcpu_num != UINT_MAX && x->pcpu_num != pcpu_id)
> +			return;
> +
>  		if (!*best ||
> +		    ((*best)->pcpu_num == UINT_MAX && x->pcpu_num == pcpu_id) ||
>  		    (*best)->km.dying > x->km.dying ||
>  		    ((*best)->km.dying == x->km.dying &&
>  		     (*best)->curlft.add_time < x->curlft.add_time))
>  			*best = x;
>  	} else if (x->km.state == XFRM_STATE_ACQ) {
> -		*acq_in_progress = 1;
> +		if (!*best || (*best && x->pcpu_num == pcpu_id))

Hi Steffen,

a minor nit from my side: I think this can be expressed as follows.

		if (!*best || x->pcpu_num == pcpu_id)

Flagged by Coccinelle

> +			*acq_in_progress = 1;
>  	} else if (x->km.state == XFRM_STATE_ERROR ||
>  		   x->km.state == XFRM_STATE_EXPIRED) {
>  		if ((!x->sel.family ||

...

  parent reply	other threads:[~2024-04-14 11:05 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-12  6:05 [PATCH ipsec-next 0/3] Add support for per cpu xfrm states Steffen Klassert
2024-04-12  6:05 ` [PATCH ipsec-next 1/3] xfrm: Add support for per cpu xfrm state handling Steffen Klassert
2024-04-12 10:37   ` Tobias Brunner
2024-04-18  9:45     ` Steffen Klassert
2024-04-14 11:05   ` Simon Horman [this message]
2024-04-18  9:46     ` Steffen Klassert
2024-04-15 14:12   ` Sabrina Dubroca
2024-04-18  9:50     ` Steffen Klassert
2024-04-12  6:05 ` [PATCH ipsec-next 2/3] xfrm: Cache used outbound xfrm states at the policy Steffen Klassert
2024-04-16 21:51   ` Daniel Xu
2024-04-18 10:01     ` Steffen Klassert
2024-04-12  6:05 ` [PATCH ipsec-next 3/3] xfrm: Add an inbound percpu state cache Steffen Klassert
2024-04-16  2:33   ` kernel test robot
2024-05-02 12:20 ` [PATCH ipsec-next 0/3] Add support for per cpu xfrm states Antony Antony
2024-05-02 12:38   ` Steffen Klassert

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