From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Lv Zheng <lv.zheng@intel.com>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
Len Brown <len.brown@intel.com>, Lv Zheng <zetalog@gmail.com>,
linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: Re: [PATCH v2 0/5] ACPI / EC: Add reference counting for requests and cleans up the grace periods support.
Date: Fri, 06 Feb 2015 02:26:30 +0100 [thread overview]
Message-ID: <1711204.9KEDEeQMDo@vostro.rjw.lan> (raw)
In-Reply-To: <cover.1423183647.git.lv.zheng@intel.com>
On Friday, February 06, 2015 08:57:37 AM Lv Zheng wrote:
> This patchset contains 3 cleanups related to the EC driver:
> 1. Command flushing (command grace period)
> This patchset flushes EC commands before suspending/resuming, so that
> there won't be timeout for the incomplete commands after resuming.
> 2. Query flushing (query grace period)
> This patchset flushes EC event queries before suspending/resuming, so
> that there won't be broken events remained in the firmware queue.
> 3. Command storming prevention
> This patchset corrects command storming prevention logic because of
> the GPE raw handler mode.
> The request reference count debugging messages can be used to detect broken
> EC transactions. It should always drop to 1 when the driver is idle during
> the runtime.
>
> Note that after flushing before suspending, EC GPE is still enabled to keep
> the old behavior.
>
> Lv Zheng (5):
> ACPI/EC: Introduce STARTED/STOPPED flags to replace BLOCKED flag.
> ACPI/EC: Add command flushing support.
> ACPI/EC: Refine command storm prevention support.
> ACPI/EC: Add query flushing support.
> ACPI/EC: Add GPE reference counting debugging messages.
>
> drivers/acpi/ec.c | 295 ++++++++++++++++++++++++++++++++++++++++-------
> drivers/acpi/internal.h | 1 +
> 2 files changed, 254 insertions(+), 42 deletions(-)
So this is on top of the EC patches you sent previously, right?
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
next prev parent reply other threads:[~2015-02-06 1:03 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-03 5:16 [PATCH 0/6] ACPI/EC: Cleanups of command flushing and event polling Lv Zheng
2014-11-03 5:16 ` [PATCH 1/6] ACPI/EC: Introduce STARTED/STOPPED flags to replace BLOCKED flag Lv Zheng
2014-11-05 2:52 ` Zheng, Lv
2014-11-18 13:23 ` Kirill A. Shutemov
2014-11-18 21:20 ` Rafael J. Wysocki
2014-11-19 8:55 ` Zheng, Lv
2014-11-19 12:16 ` Kirill A. Shutemov
2014-11-20 2:19 ` [RFC PATCH v3 1/2] ACPICA: Events: Remove duplicated sanity check in acpi_ev_enable_gpe() Lv Zheng
2014-11-20 2:19 ` [RFC PATCH v3 2/2] ACPICA: Events: Introduce ACPI_GPE_HANDLER_RAW to fix 2 issues for the current GPE APIs Lv Zheng
2014-11-20 2:20 ` [PATCH 1/6] ACPI/EC: Introduce STARTED/STOPPED flags to replace BLOCKED flag Zheng, Lv
2014-11-20 21:33 ` Kirill A. Shutemov
2014-11-21 0:42 ` Zheng, Lv
2014-11-21 0:55 ` Zheng, Lv
2014-11-20 2:34 ` Zheng, Lv
2014-11-20 21:34 ` Kirill A. Shutemov
2014-11-20 6:44 ` [RFC PATCH v4] ACPICA/Events: Add support to ensure GPE is disabled by default for handlers Lv Zheng
2014-11-20 6:47 ` Zheng, Lv
2014-11-20 22:15 ` Kirill A. Shutemov
2014-11-21 1:36 ` Zheng, Lv
2015-02-06 0:57 ` [PATCH v2 0/5] ACPI / EC: Add reference counting for requests and cleans up the grace periods support Lv Zheng
2015-02-06 0:57 ` [PATCH v2 1/5] ACPI / EC: Introduce STARTED/STOPPED flags to replace BLOCKED flag Lv Zheng
2015-02-06 0:57 ` [PATCH v2 2/5] ACPI / EC: Add command flushing support Lv Zheng
2015-02-06 0:58 ` [PATCH v2 3/5] ACPI / EC: Refine command storm prevention support Lv Zheng
2015-02-06 0:58 ` [PATCH v2 4/5] ACPI / EC: Add query flushing support Lv Zheng
2015-02-06 0:58 ` [PATCH v2 5/5] ACPI / EC: Add GPE reference counting debugging messages Lv Zheng
2015-02-06 1:26 ` Rafael J. Wysocki [this message]
2015-02-09 2:23 ` [PATCH v2 0/5] ACPI / EC: Add reference counting for requests and cleans up the grace periods support Zheng, Lv
2015-02-12 1:17 ` Rafael J. Wysocki
2015-02-16 6:41 ` Zheng, Lv
2014-11-03 5:16 ` [PATCH 2/6] ACPI/EC: Enhance the checks to apply to QR_EC transactions Lv Zheng
2014-11-03 5:16 ` [PATCH 3/6] ACPI/EC: Add reference counting for query handlers Lv Zheng
2014-11-03 5:16 ` [PATCH 4/6] ACPI/EC: Add command flushing support Lv Zheng
2014-11-03 5:16 ` [PATCH 5/6] ACPI/EC: Cleanup QR_SC command processing by adding a kernel thread to poll EC events Lv Zheng
2014-11-12 1:16 ` Rafael J. Wysocki
2014-11-13 2:31 ` Zheng, Lv
2014-11-13 2:58 ` Rafael J. Wysocki
2014-11-13 2:52 ` Zheng, Lv
2014-11-13 22:37 ` Rafael J. Wysocki
2014-11-14 1:21 ` Zheng, Lv
2014-11-14 23:38 ` Rafael J. Wysocki
2014-11-03 5:16 ` [PATCH 6/6] ACPI/EC: Add GPE reference counting debugging messages Lv Zheng
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=1711204.9KEDEeQMDo@vostro.rjw.lan \
--to=rjw@rjwysocki.net \
--cc=len.brown@intel.com \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lv.zheng@intel.com \
--cc=rafael.j.wysocki@intel.com \
--cc=zetalog@gmail.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).