linux-kernel - Re: [RFC PATCH 2/2] ACPI: Default disable auto-serialization.

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Message-ID: <2040389.QPkIWC2M7W@vostro.rjw.lan>
Date:	Tue, 18 Mar 2014 02:13:14 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	"Zheng, Lv" <lv.zheng@...el.com>
Cc:	"Wysocki, Rafael J" <rafael.j.wysocki@...el.com>,
	"Brown, Len" <len.brown@...el.com>, Lv Zheng <zetalog@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
Subject: Re: [RFC PATCH 2/2] ACPI: Default disable auto-serialization.

On Tuesday, March 18, 2014 12:31:54 AM Zheng, Lv wrote:
> Hi, Rafael
> 
> > From: Wysocki, Rafael J
> > Sent: Monday, March 17, 2014 8:09 PM
> > 
> > On 3/17/2014 5:14 AM, Lv Zheng wrote:
> > > This feature enabled by the following commit is still under development.
> > >
> > >    Commit: cd52379678785b02d7a357988cfba214fdaf92f4
> > >    Subject: ACPICA: Add global option to disable method auto-serialization.
> > >    This change adds an option to disable the auto-serialization of
> > >    methods that create named objects.
> > >
> > > This patch disables it by default temporarily according to the bug reports.
> > 
> > Well, it doesn't restore the 3.14 behavior of acpi_auto_serialize, as
> > far as I can say, so we can't apply it.
> > 
> > I still can drop the commits related to auto-serialization from my
> > acpica branch.  Which commits are they?
> 
> From linux-pm/bleeding-edge branch, I found this series includes the following commits:
> 
> Commit: a0fd108f2da56b769472fc0095616fb370988516
> Author: Lv Zheng <lv.zheng@...el.com>
> Subject: ACPI: Rename kernel parameter "acpi_serialize" to "acpi_no_auto_serialize"
> 
> Commit: 5f1cb4a92e4c4aabd139ff9ca1e11c0e2db2ac59
> Author: Lv Zheng <lv.zheng@...el.com>
> Subject: ACPICA: Remove global option to serialize all control methods.
> 
> Commit: cd52379678785b02d7a357988cfba214fdaf92f4
> Author: Bob Moore <robert.moore@...el.com>
> Subject: ACPICA: Add global option to disable method auto-serialization.
> 
> Commit: f56b05bd111b01141ef74568dc4d262c70295d03
> Author: Lv Zheng <lv.zheng@...el.com>
> Subject: ACPICA: Add additional named objects for the auto-serialize method scan.
> 
> Commit: 27f1899350a1d6baab117c03c87f0e37730047bd
> Author: Bob Moore <robert.moore@...el.com>
> Subject: ACPICA: Add auto-serialization support for ill-behaved control methods.
> 
> Reverting these commits can restore original Linux behavior.
> Please check.

OK, I dropped the five commits above from the acpica branch.

Please check if the current ACPICA material in the bleeding-edge branch of
linux-pm.git looks OK (and let me know either way).

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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