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References: <20220707201226.618611-1-stephen@networkplumber.org>
 <20220719202750.563166-1-stephen@networkplumber.org>
In-Reply-To: <20220719202750.563166-1-stephen@networkplumber.org>
From: David Marchand <david.marchand@redhat.com>
Date: Mon, 3 Oct 2022 12:01:32 +0200
Message-ID: <CAJFAV8wraW0g-uWWHM1pxueqqjjQ0-VZHTZ2QtNVTBtnmzX_MQ@mail.gmail.com>
Subject: Re: [PATCH v2] rwlock: prevent readers from starving writers
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: dev@dpdk.org, =?UTF-8?Q?Morten_Br=C3=B8rup?= <mb@smartsharesystems.com>
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On Tue, Jul 19, 2022 at 10:28 PM Stephen Hemminger
<stephen@networkplumber.org> wrote:
>
> Modify reader/writer lock to avoid starvation of writer.  The previous
> implementation would cause a writer to get starved if readers kept
> acquiring the lock.  The new version uses an additional bit to indicate
> that a writer is waiting and which keeps readers from starving the
> writer.
>
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
> Acked-by: Morten Br=C3=B8rup <mb@smartsharesystems.com>

Applied, thanks.


--=20
David Marchand