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Groups > linux.kernel > #1575796

Re: ARM imx.6 SATA speed regression

From Dan MacDonald <allcoms@gmail.com>
Newsgroups linux.kernel
Subject Re: ARM imx.6 SATA speed regression
Date 2017-02-07 16:20 +0100
Message-ID <t8fIK-4zi-11@gated-at.bofh.it> (permalink)
References <t8f61-45q-1@gated-at.bofh.it> <t8fIK-4zi-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Hi Fabio

I've never used bisect before and I have thusfar failed to get ARM
cross-compilation to work so I'm a bit wary of having to spend several
days rebuilding Linux several times on my board.

I think the first thing I need to do is to see what other archived
Arch kernel packages I can get - hopefully I can find packages for
4.9.1, 4.9.2 etc. I would imagine that if I can find the stable
release post 4.9.0 where imx6 SATA speed took a nosedive, that will
make bisecting much faster.

If anyone has an easy to follow, known working guide to setting up
cross-compilation from amd64 -> armv7h, that would be massively
helpful as none of the ones I have tried in the past have worked.

Thanks

On Tue, Feb 7, 2017 at 2:58 PM, Fabio Estevam <fabio.estevam@nxp.com> wrote:
> [Sorry for the top-post]
>
>
> Hi Dan,
>
>
> Could you run 'git bisect' between kernel 4.9.0 and 4.9.8 to understand
> where this performance regression come from?
>
> ________________________________
> From: Dan MacDonald <allcoms@gmail.com>
> Sent: Tuesday, February 7, 2017 12:31:10 PM
> To: linux-kernel@vger.kernel.org
> Cc: Gary Bisson; Fabio Estevam; shawnguo@kernel.org; tj@kernel.org
> Subject: Re: ARM imx.6 SATA speed regression
>
> (Fake) Reply to CC in relevant people.

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Thread

Re: ARM imx.6 SATA speed regression Dan MacDonald <allcoms@gmail.com> - 2017-02-07 15:40 +0100
  Re: ARM imx.6 SATA speed regression Dan MacDonald <allcoms@gmail.com> - 2017-02-07 16:20 +0100
    Re: ARM imx.6 SATA speed regression Dan MacDonald <allcoms@gmail.com> - 2017-02-07 16:50 +0100
      Re: ARM imx.6 SATA speed regression Dan MacDonald <allcoms@gmail.com> - 2017-02-07 18:10 +0100
        Re: ARM imx.6 SATA speed regression Gary Bisson <gary.bisson@boundarydevices.com> - 2017-02-08 18:50 +0100
          Re: ARM imx.6 SATA speed regression Dan MacDonald <allcoms@gmail.com> - 2017-02-08 19:50 +0100
            Re: ARM imx.6 SATA speed regression Dan MacDonald <allcoms@gmail.com> - 2017-02-09 00:40 +0100

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