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References: <20200424070741.16619-1-gavin.hu@arm.com>
<20210707054341.1607419-1-ruifeng.wang@arm.com>
<20210707054341.1607419-4-ruifeng.wang@arm.com>
In-Reply-To: <20210707054341.1607419-4-ruifeng.wang@arm.com>
From: David Marchand <david.marchand@redhat.com>
Date: Wed, 7 Jul 2021 14:15:15 +0200
Message-ID: <CAJFAV8yNEYjV6zEDvdPNutjpf_adFcVT7zGp+tg7u6zspOWCEw@mail.gmail.com>
To: Ruifeng Wang <ruifeng.wang@arm.com>
Cc: Jerin Jacob <jerinj@marvell.com>, Jan Viktorin <viktorin@rehivetech.com>,
Bruce Richardson <bruce.richardson@intel.com>, dev <dev@dpdk.org>,
Thomas Monjalon <thomas@monjalon.net>, nd <nd@arm.com>,
Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
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Subject: Re: [dpdk-dev] [PATCH v4 3/3] build: add option to enable wait
until equal
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On Wed, Jul 7, 2021 at 7:44 AM Ruifeng Wang <ruifeng.wang@arm.com> wrote:
> diff --git a/meson_options.txt b/meson_options.txt
> index 56bdfd0f0a..5012803c77 100644
> --- a/meson_options.txt
> +++ b/meson_options.txt
> @@ -44,3 +44,5 @@ option('tests', type: 'boolean', value: true, description:
> 'build unit tests')
> option('use_hpet', type: 'boolean', value: false, description:
> 'use HPET timer in EAL')
> +option('use_wfe', type: 'boolean', value: false, description:
> + 'use Wait Until Equal for polling loops')
This is badly described.
We have a wait until equal API.
What you want to enable with this option is the hw assisted implementation.
--
David Marchand