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From: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>
To: "Power, Ciara" <ciara.power@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
CC: "thomas@monjalon.net" <thomas@monjalon.net>, "Ji, Kai" <kai.ji@intel.com>,
"stable@dpdk.org" <stable@dpdk.org>
Subject: RE: [PATCH v2] crypto/ipsec_mb: fix getting process ID per job
Thread-Topic: [PATCH v2] crypto/ipsec_mb: fix getting process ID per job
Thread-Index: AQHaHjC8XpkkOZd2QUSvOM1AmghU3LCIJ72w
Date: Thu, 23 Nov 2023 17:26:01 +0000
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References: <20231123170701.901946-1-ciara.power@intel.com>
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Errors-To: stable-bounces@dpdk.org
> -----Original Message-----
> From: Power, Ciara <ciara.power@intel.com>
> Sent: Thursday, November 23, 2023 5:16 PM
> To: dev@dpdk.org
> Cc: thomas@monjalon.net; Ji, Kai <kai.ji@intel.com>; De Lara Guarch, Pabl=
o
> <pablo.de.lara.guarch@intel.com>; Power, Ciara <ciara.power@intel.com>;
> stable@dpdk.org
> Subject: [PATCH v2] crypto/ipsec_mb: fix getting process ID per job
>=20
> Currently, when using IPsec-mb 1.4+, the process ID is obtained for each =
job in
> a burst with a call to getpid().
> This system call uses too many CPU cycles, and is unnecessary per job.
>=20
> Instead, set the process ID value per lcore.
> This is read when processing the burst, instead of per job.
>=20
> Fixes: 9593d83e5d88 ("crypto/ipsec_mb: fix aesni_mb multi-process session
> ID")
> Cc: stable@dpdk.org
>=20
> Signed-off-by: Ciara Power <ciara.power@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>