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From: Thomas Monjalon <thomas@monjalon.net>
To: Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>
Cc: dev@dpdk.org, Jerin Jacob Kollanukkaran <jerinj@marvell.com>,
	Marko Kovacevic <marko.kovacevic@intel.com>,
	Ori Kam <orika@mellanox.com>,
	Bruce Richardson <bruce.richardson@intel.com>,
	Pablo de Lara <pablo.de.lara.guarch@intel.com>,
	Radu Nicolau <radu.nicolau@intel.com>,
	Akhil Goyal <akhil.goyal@nxp.com>,
	Tomasz Kantecki <tomasz.kantecki@intel.com>,
	"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] examples/l3fwd: fix em mode datapath selection
Date: Fri, 03 May 2019 01:32:49 +0200	[thread overview]
Message-ID: <1860264.T1sj13Lf8p@xps> (raw)
In-Reply-To: <20190410072836.17496-1-pbhagavatula@marvell.com>

10/04/2019 09:29, Pavan Nikhilesh Bhagavatula:
> From: Pavan Nikhilesh <pbhagavatula@marvell.com>
> 
> Currently, l3wfd em mode has two datapath modes em_sequential and
> em_hlm. We can select either of them by defining NO_HASH_MULTI_LOOKUP to
> one or zero.
> The code checks if NO_HASH_MULTI_LOOKUP is defined or not instead of
> checking for the value.
> 
> Fixes: 52c97adc1f0f ("examples/l3fwd: fix exact match performance")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
> ---
> --- a/examples/l3fwd/l3fwd_em.c
> +++ b/examples/l3fwd/l3fwd_em.c
>  #if defined RTE_ARCH_X86 || defined RTE_MACHINE_CPUFLAG_NEON
> -#if defined(NO_HASH_MULTI_LOOKUP)
> +#if NO_HASH_MULTI_LOOKUP

It does not compile:

examples/l3fwd/l3fwd_em.c:302:5: error:
	'NO_HASH_MULTI_LOOKUP' is not defined, evaluates to 0 [-Werror,-Wundef]
	#if NO_HASH_MULTI_LOOKUP

Anyway such compilation option should be just removed.
Please replace it with a runtime option and/or make it documented.
Thanks



      parent reply	other threads:[~2019-05-02 23:32 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-10  7:29 [dpdk-dev] [PATCH] examples/l3fwd: fix em mode datapath selection Pavan Nikhilesh Bhagavatula
2019-04-22 21:20 ` Thomas Monjalon
2019-04-23  2:47   ` Pavan Nikhilesh Bhagavatula
2019-04-23  8:35     ` Thomas Monjalon
2019-04-23  9:12       ` Pavan Nikhilesh Bhagavatula
2019-04-24  2:59         ` Ruifeng Wang (Arm Technology China)
2019-05-02 23:32 ` Thomas Monjalon [this message]

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