From: Santosh Shilimkar <santosh.shilimkar@ti.com>
To: Kevin Hilman <khilman@deeprootsystems.com>, Nishanth Menon <nm@ti.com>
Cc: linux-omap <linux-omap@vger.kernel.org>,
Jean Pihet <jean.pihet@newoldbits.com>,
Vishwanath Sripathy <vishwanath.bs@ti.com>,
Tony <tony@atomide.com>
Subject: RE: [PATCH 08/13] OMAP3: PM: Deny MPU idle while saving secure RAM
Date: Sat, 20 Nov 2010 15:32:32 +0530 [thread overview]
Message-ID: <ef750caa9d50a66e559e586103292c48@mail.gmail.com> (raw)
In-Reply-To: <87sjyx2f73.fsf@deeprootsystems.com>
> -----Original Message-----
> From: Kevin Hilman [mailto:khilman@deeprootsystems.com]
> Sent: Saturday, November 20, 2010 2:40 AM
> To: Nishanth Menon
> Cc: Santosh Shilimkar; linux-omap; Jean Pihet; Vishwanath Sripathy; Tony
> Subject: Re: [PATCH 08/13] OMAP3: PM: Deny MPU idle while saving secure
> RAM
>
> Nishanth Menon <nm@ti.com> writes:
>
> > Kevin Hilman had written, on 11/19/2010 02:55 PM, the following:
> > [...]
> >> Now, based on what you say below, it seems like there is no way to
> >> guarantee that SMIs don't do this, so I guess we have no choice but
to
> >> protect them all.
> > In that way, I do like the patch from Santosh - with the relevant
> > changes we will need to incorporate. Do keep in mind that SMI is a
> > secure service - In theory, there could be(and to my knowledge, are)
> > custom secure services to do all kind of other things that are not
> > power management related[1] -
>
> All the more reason that this secure mode code should be moved out of
> the core idle path into its own driver.
>
I also think this is better idea.
next prev parent reply other threads:[~2010-11-20 10:02 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-19 1:54 [PATCH 00/13] OMAP3: OFF mode fixes Nishanth Menon
2010-11-19 1:54 ` [PATCH 01/13] OMAP3: PM: Update clean_l2 to use v7_flush_dcache_all Nishanth Menon
2010-11-19 9:46 ` Jean Pihet
2010-11-19 9:57 ` Peter 'p2' De Schrijver
2010-11-19 10:15 ` Jean Pihet
2010-11-19 1:54 ` [PATCH 02/13] OMAP3: PM: Errata i581 suppport: dll kick strategy Nishanth Menon
2010-11-24 16:51 ` Sripathy, Vishwanath
2010-11-24 17:24 ` Nishanth Menon
2010-11-25 6:39 ` Sripathy, Vishwanath
2010-11-25 12:22 ` Peter 'p2' De Schrijver
2010-11-19 1:54 ` [PATCH 03/13] OMAP3: PM: make secure ram save size configurable Nishanth Menon
2010-11-19 1:54 ` [PATCH 04/13] OMAP3: PM: Save secure RAM context before entering WFI Nishanth Menon
2010-11-19 1:54 ` [PATCH 05/13] OMAP3: PM: optional save secure RAM context every core off cycle Nishanth Menon
2010-11-19 1:54 ` [PATCH 06/13] OMAP3: PM: Fix secure save size for OMAP3 Nishanth Menon
2010-11-19 1:54 ` [PATCH 07/13] OMAP3: PM: allocate secure RAM context memory from low-mem Nishanth Menon
2010-11-19 1:54 ` [PATCH 08/13] OMAP3: PM: Deny MPU idle while saving secure RAM Nishanth Menon
2010-11-19 17:08 ` Kevin Hilman
2010-11-19 17:16 ` Nishanth Menon
2010-11-19 17:18 ` Santosh Shilimkar
2010-11-19 17:24 ` Nishanth Menon
2010-11-19 17:28 ` Santosh Shilimkar
2010-11-19 18:51 ` Nishanth Menon
2010-11-19 20:39 ` Kevin Hilman
2010-11-19 20:54 ` Nishanth Menon
2010-11-19 21:06 ` Kevin Hilman
2010-11-19 21:15 ` Nishanth Menon
2010-11-20 10:04 ` Santosh Shilimkar
2010-11-19 19:41 ` Kevin Hilman
2010-11-19 20:18 ` Nishanth Menon
2010-11-19 20:55 ` Kevin Hilman
2010-11-19 21:02 ` Nishanth Menon
2010-11-19 21:09 ` Kevin Hilman
2010-11-20 10:02 ` Santosh Shilimkar [this message]
2010-11-19 1:54 ` [PATCH 09/13] OMAP3: PM: Apply errata i540 before save secure ram Nishanth Menon
2010-11-19 10:09 ` Jean Pihet
2010-11-19 12:12 ` Nishanth Menon
2010-11-19 12:54 ` Jean Pihet
2010-11-19 17:15 ` Kevin Hilman
2010-11-19 17:18 ` Nishanth Menon
2010-11-19 19:47 ` Kevin Hilman
2010-11-19 20:08 ` Nishanth Menon
2010-11-19 1:54 ` [PATCH 10/13] OMAP3: PM: Errata i582: per domain reset issue: uart Nishanth Menon
2010-11-22 18:59 ` Kevin Hilman
2010-11-19 1:54 ` [PATCH 11/13] OMAP3630: PM: Errata i608: disable RTA Nishanth Menon
2010-11-19 9:57 ` Jean Pihet
2010-11-19 12:09 ` Nishanth Menon
2010-11-19 1:54 ` [PATCH 12/13] OMAP3630: PM: Disable L2 cache while invalidating L2 cache Nishanth Menon
2010-11-19 1:54 ` [PATCH 13/13] OMAP3630: PM: Errata i583: disable coreoff if < ES1.2 Nishanth Menon
2010-11-19 10:07 ` Jean Pihet
2010-11-19 12:14 ` Nishanth Menon
2010-11-19 10:18 ` [PATCH 00/13] OMAP3: OFF mode fixes Jean Pihet
2010-11-19 12:03 ` Nishanth Menon
2010-11-19 21:20 ` Kevin Hilman
2010-11-19 21:37 ` Nishanth Menon
2010-11-20 9:56 ` Santosh Shilimkar
2010-11-22 16:08 ` Kevin Hilman
2010-11-22 19:16 ` Kevin Hilman
2010-11-23 9:02 ` Santosh Shilimkar
2010-11-23 20:35 ` Kevin Hilman
2010-11-24 5:34 ` Santosh Shilimkar
2010-11-24 9:22 ` Santosh Shilimkar
2010-11-24 17:11 ` Jean Pihet
2010-11-24 17:21 ` Nishanth Menon
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=ef750caa9d50a66e559e586103292c48@mail.gmail.com \
--to=santosh.shilimkar@ti.com \
--cc=jean.pihet@newoldbits.com \
--cc=khilman@deeprootsystems.com \
--cc=linux-omap@vger.kernel.org \
--cc=nm@ti.com \
--cc=tony@atomide.com \
--cc=vishwanath.bs@ti.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.