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Message-ID: <03c24731-e56f-44b2-b0a3-6afd7f14f77b@redhat.com>
Date: Tue, 30 Jul 2024 13:04:22 +0200
From: Samuel Dobron <sdobron@...hat.com>
To: Carolina Jubran <cjubran@...dia.com>, Dragos Tatulea
<dtatulea@...dia.com>, Tariq Toukan <tariqt@...dia.com>,
"daniel@...earbox.net" <daniel@...earbox.net>,
"hawk@...nel.org" <hawk@...nel.org>,
"mianosebastiano@...il.com" <mianosebastiano@...il.com>
Cc: "toke@...hat.com" <toke@...hat.com>, "pabeni@...hat.com"
<pabeni@...hat.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"edumazet@...gle.com" <edumazet@...gle.com>,
Saeed Mahameed <saeedm@...dia.com>, "bpf@...r.kernel.org"
<bpf@...r.kernel.org>, "kuba@...nel.org" <kuba@...nel.org>
Subject: Re: XDP Performance Regression in recent kernel versions
> Could you try adding the mentioned parameters to your kernel arguments
> and check if you still see the degradation?
Hey,
So i tried multiple kernels around v5.15 as well as couple of previous
v6.xx and there is no difference with spectre v2 mitigations enabled
or disabled.
No difference on other drivers as well.
Sam.
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