From: Randy Dunlap <rdunlap@xenotime.net>
To: james_p_freyensee@linux.intel.com
Cc: gregkh@suse.de, linux-kernel@vger.kernel.org, suhail.ahmed@intel.com
Subject: Re: [PATCH 02/12] Kernel documentation for the PTI feature.
Date: Tue, 08 Feb 2011 12:55:02 -0800 [thread overview]
Message-ID: <4D51ADA6.6000200@xenotime.net> (raw)
In-Reply-To: <1297193697-5417-3-git-send-email-james_p_freyensee@linux.intel.com>
On 2/8/2011 11:34 AM, james_p_freyensee@linux.intel.com wrote:
> From: J Freyensee<james_p_freyensee@linux.intel.com>
>
> This provides Kernel documentation for the PTI
> feature for Linux mobile solutions.
>
> Signed-off-by: J Freyensee<james_p_freyensee@linux.intel.com>
> ---
> Documentation/pti/pti_intel_mid.txt | 89 +++++++++++++++++++++++++++++++++++
> 1 files changed, 89 insertions(+), 0 deletions(-)
> create mode 100644 Documentation/pti/pti_intel_mid.txt
>
> diff --git a/Documentation/pti/pti_intel_mid.txt b/Documentation/pti/pti_intel_mid.txt
> new file mode 100644
> index 0000000..b9c3f3a
> --- /dev/null
> +++ b/Documentation/pti/pti_intel_mid.txt
> @@ -0,0 +1,89 @@
> +The Intel MID PTI project is HW implemented in Intel Atom
> +system-on-a-chip designs based on the Parallel Trace
> +Interface for MIPI P1149.7 cJTAG standard. The kernel solution
> +for this platform involves the following files:
> +
> +./include/linux/pti.h
> +./include/linux/n_tracesink.h
> +./drivers/.../n_tracerouter.c
> +./drivers/.../n_tracesink.c
> +./drivers/.../pti.c
> +
> +pti.c is the driver that enables various debugging features
> +popular on certain mobile manufacturers. n_tracerouter.c
> +and n_tracesink.c allow extra system information to be
> +collected and routed to the pti driver, such as trace
> +debugging data from a modem. Altough n_tracerouter
Although
> +and n_tracesink are a part of the complete PTI solution,
> +these two line disciplines can work separate from
separately
> +pti.c and route any data stream from one /dev/tty node
> +to another /dev/tty node via kernel-space. This provides
> +a stable, reliable connection that will not break unless
> +the user-space application shuts down (plus avoids
> +kernel->user->kernel context switch overheads of routing
> +data).
~Randy
next prev parent reply other threads:[~2011-02-08 20:55 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-08 19:34 Resend: Request for review and addition of PTI implementation into kernel james_p_freyensee
2011-02-08 19:34 ` [PATCH 01/12] export kernel call get_task_comm() james_p_freyensee
2011-02-08 19:34 ` [PATCH 02/12] Kernel documentation for the PTI feature james_p_freyensee
2011-02-08 19:34 ` [PATCH 03/12] Intel PTI implementaiton of 1149 james_p_freyensee
2011-02-08 19:34 ` [PATCH 04/12] PTI Kconfig change in misc james_p_freyensee
2011-02-08 19:34 ` [PATCH 05/12] PTI misc Makefile addition james_p_freyensee
2011-02-08 19:34 ` [PATCH 06/12] PTI header file james_p_freyensee
2011-02-08 19:34 ` [PATCH 07/12] n_tracerouter and n_tracesink additions james_p_freyensee
2011-02-08 19:34 ` [PATCH 08/12] n_tracesink ldisc addition james_p_freyensee
2011-02-08 19:34 ` [PATCH 09/12] n_tracesink header file james_p_freyensee
2011-02-08 19:34 ` [PATCH 10/12] n_tracerouter ldisc driver james_p_freyensee
2011-02-08 19:34 ` [PATCH 11/12] n_tracerouter and n_tracesink Kconfig james_p_freyensee
2011-02-08 19:34 ` [PATCH 12/12] n_tracerouter and n_tracesink Makefile addition james_p_freyensee
2011-02-08 21:03 ` [PATCH 11/12] n_tracerouter and n_tracesink Kconfig Randy Dunlap
2011-02-17 19:23 ` [PATCH 09/12] n_tracesink header file Greg KH
2011-02-17 19:45 ` J Freyensee
2011-02-17 19:54 ` Greg KH
2011-02-17 20:10 ` J Freyensee
2011-02-17 21:43 ` Greg KH
2011-02-22 20:22 ` J Freyensee
2011-02-22 20:26 ` Greg KH
2011-02-22 22:55 ` J Freyensee
2011-02-17 19:21 ` [PATCH 07/12] n_tracerouter and n_tracesink additions Greg KH
2011-02-17 19:43 ` J Freyensee
2011-02-17 19:54 ` Greg KH
2011-02-17 20:11 ` J Freyensee
2011-02-24 11:52 ` Alan Cox
2011-02-17 19:20 ` [PATCH 06/12] PTI header file Greg KH
2011-02-17 19:41 ` J Freyensee
2011-02-17 19:55 ` Greg KH
2011-02-17 20:13 ` J Freyensee
2011-02-17 19:20 ` [PATCH 04/12] PTI Kconfig change in misc Greg KH
2011-02-17 19:35 ` J Freyensee
2011-02-17 19:45 ` Greg KH
2011-02-08 20:55 ` Randy Dunlap [this message]
2011-02-08 19:38 ` [PATCH 01/12] export kernel call get_task_comm() Christoph Hellwig
2011-02-08 19:44 ` james_p_freyensee
2011-02-08 20:04 ` Christoph Hellwig
2011-02-08 20:35 ` james_p_freyensee
2011-02-08 20:28 ` Alan Cox
2011-02-08 20:28 ` Christoph Hellwig
2011-02-08 20:36 ` Alan Cox
2011-02-15 10:57 ` Christoph Hellwig
2011-02-22 18:38 ` J Freyensee
2011-02-22 18:41 ` Greg KH
-- strict thread matches above, loose matches on Subject: below --
2011-02-09 0:17 [PATCH 02/12] Kernel documentation for the PTI feature james_p_freyensee
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