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From: Thomas Monjalon <thomas.monjalon-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
To: Helin Zhang <helin.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: dev-VfR2kkLFssw@public.gmane.org,
	aaron.f.rowden-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org
Subject: Re: [PATCH v3] i40e: workaround for X710 performance issues
Date: Tue, 16 Dec 2014 09:37:04 +0100	[thread overview]
Message-ID: <2702920.KlIrzH6BZs@xps13> (raw)
In-Reply-To: <1418718200-31924-1-git-send-email-helin.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>

Hi Helin,

First, thank you and Jing for the excellent review process.

2014-12-16 16:23, Helin Zhang:
> On X710, performance number is far from the expectation on recent
> firmware versions. The fix for this issue may not be integrated in
> the following firmware version. So the workaround in software driver
> is needed. It needs to modify the initial values of 3 internal only
> registers. Note that the workaround can be removed when it is fixed
> in firmware in the future.

I want to understand something here. You say the workaround can be removed
when firmware will be fixed. But I suppose that some NICs won't be updated
so the workaround will be needed forever?

-- 
Thomas

  parent reply	other threads:[~2014-12-16  8:37 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-15  7:09 [PATCH] i40e: workaround for X710 performance issues Helin Zhang
     [not found] ` <1418627370-28185-1-git-send-email-helin.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-12-15  7:56   ` [PATCH v2] " Helin Zhang
     [not found]     ` <1418630187-28917-1-git-send-email-helin.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-12-16  2:29       ` Chen, Jing D
     [not found]         ` <4341B239C0EFF9468EE453F9E9F4604D01630719-E2R4CRU6q/6iAffOGbnezLfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-12-16  2:43           ` Zhang, Helin
2014-12-16  8:23       ` [PATCH v3] " Helin Zhang
     [not found]         ` <1418718200-31924-1-git-send-email-helin.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-12-16  8:37           ` Thomas Monjalon [this message]
2014-12-16 11:07             ` Zhang, Helin
2014-12-16  9:07           ` Chen, Jing D
     [not found]             ` <4341B239C0EFF9468EE453F9E9F4604D016309C4-E2R4CRU6q/6iAffOGbnezLfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-12-17  0:05               ` Thomas Monjalon
2015-01-08  2:43           ` Wu, Jingjing
     [not found]             ` <9BB6961774997848B5B42BEC655768F8B6DD36-0J0gbvR4kTg/UvCtAeCM4rfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-01-08  2:49               ` Zhang, Helin
2015-01-09  5:29           ` Wu, Jingjing
     [not found]             ` <9BB6961774997848B5B42BEC655768F8B6E3D0-0J0gbvR4kTg/UvCtAeCM4rfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-01-09 15:48               ` Thomas Monjalon
2015-01-12  0:26                 ` Zhang, Helin
2015-01-12  0:39                 ` Wu, Jingjing

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