linux-kernel - Re: [PATCH] x86: poll waiting for I/OAT DMA channel status

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Message-ID: <BANLkTim=4+ppfJH45PL4vGALpQELWpQk8w@mail.gmail.com>
Date:	Wed, 25 May 2011 18:30:13 -0700
From:	Dan Williams <dan.j.williams@...el.com>
To:	Dimitri Sivanich <sivanich@....com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: poll waiting for I/OAT DMA channel status

On Fri, May 6, 2011 at 8:33 AM, Dimitri Sivanich <sivanich@....com> wrote:
> For certain system configurations a 5 usec udelay before checking I/OAT DMA
> channel status is sometimes not sufficient, resulting in a false failure
> status and unnecessary freeing of channel resources.  Conversely, for many
> configurations 5 usec is longer than necessary.
>
> Loop for up to 20 usec waiting for successful status before failing.
>
> Signed-off-by: Dimitri Sivanich <sivanich@....com>
> ___

Applied, but for future reference fix your scripts to use "---"
instead of "___" for the separator after the Signed-off-by otherwise
the diffstat information gets included in the changelog when apply the
patch with "git am".

--
Dan
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