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From: Doug Foster <Doug.Foster@arm.com>
To: Stephen Hemminger <stephen@networkplumber.org>, Vladimir Medvedkin
<vladimir.medvedkin@intel.com>
CC: "dev@dpdk.org" <dev@dpdk.org>, "rjarry@redhat.com" <rjarry@redhat.com>,
Ruifeng Wang <Ruifeng.Wang@arm.com>, Honnappa Nagarahalli
<Honnappa.Nagarahalli@arm.com>, "david.marchand@redhat.com"
<david.marchand@redhat.com>
Subject: RE: [PATCH v2 1/2] fib: implement RCU rule reclamation
Thread-Topic: [PATCH v2 1/2] fib: implement RCU rule reclamation
Thread-Index: AQHbGatGkfGuvNKuPEONXFZS6dHHMbJ9KZWAgAF4RqA=
Date: Wed, 9 Oct 2024 19:12:03 +0000
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References: <20240906170907.1325808-1-vladimir.medvedkin@intel.com>
<20241008175524.450829-1-vladimir.medvedkin@intel.com>
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Errors-To: dev-bounces@dpdk.org
The check for NULL is not necessary before calling rte_rcu_qsbr_dq_delete. =
Similar to other free routines, an error will not occur when the dq pointer=
is NULL.
However, it will give a debug log statement to indicate an invalid paramete=
r and return 0 to indicate success.
-----Original Message-----
From: Stephen Hemminger <stephen@networkplumber.org>
Sent: Tuesday, October 8, 2024 1:18 PM
To: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
Cc: dev@dpdk.org; rjarry@redhat.com; Ruifeng Wang <Ruifeng.Wang@arm.com>; H=
onnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>; david.marchand@redhat.c=
om
Subject: Re: [PATCH v2 1/2] fib: implement RCU rule reclamation
On Tue, 8 Oct 2024 17:55:23 +0000
Vladimir Medvedkin <vladimir.medvedkin@intel.com> wrote:
> @@ -569,7 +600,60 @@ dir24_8_free(void *p) {
> struct dir24_8_tbl *dp =3D (struct dir24_8_tbl *)p;
>
> + if (dp->dq !=3D NULL)
> + rte_rcu_qsbr_dq_delete(dp->dq);
> +
Side note:
rte_rcu_qsbr_dq_delete should be changed to accept NULL as nop.
Like all the other free routines
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