linux-kernel - Re: [RFC v6][PATCH 3/4] intel_txt: Intel(R) TXT Sx shutdown support

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Date:	Thu, 2 Jul 2009 23:29:56 +0200
From:	Pavel Machek <pavel@....cz>
To:	Joseph Cihula <joseph.cihula@...el.com>
Cc:	linux-kernel@...r.kernel.org, mingo@...e.hu, arjan@...ux.intel.com,
	hpa@...or.com, andi@...stfloor.org, chrisw@...s-sol.org,
	jmorris@...ei.org, jbeulich@...ell.com, peterm@...hat.com,
	gang.wei@...el.com, shane.wang@...el.com,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [RFC v6][PATCH 3/4] intel_txt: Intel(R) TXT Sx shutdown support

On Tue 2009-06-30 19:31:07, Joseph Cihula wrote:
> Support for graceful handling of sleep states (S3/S4/S5) after an Intel(R) TXT launch.
> 
> Without this patch, attempting to place the system in one of the ACPI sleep
> states (S3/S4/S5) will cause the TXT hardware to treat this as an attack and
> will cause a system reset, with memory locked.  Not only may the subsequent
> memory scrub take some time, but the platform will be unable to enter the
> requested power state.

I believe I asked for Documentation how s3 works with txt before. As a
suspend maintainer, I believe I deserve to know. Now you are
resubmitting the patch without ccing me and without that explanation.

> Signed-off-by: Joseph Cihula <joseph.cihula@...el.com>
> Signed-off-by: Shane Wang <shane.wang@...el.com>

NAK.
								Pavel

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