RE: [RFC PATCH 2/2] ACPI: Default disable auto-serialization.

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Hi,

> From: linux-acpi-owner@xxxxxxxxxxxxxxx [mailto:linux-acpi-owner@xxxxxxxxxxxxxxx] On Behalf Of Rafael J. Wysocki
> Sent: Tuesday, March 18, 2014 9:13 AM
> 
> 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@xxxxxxxxx>
> > Subject: ACPI: Rename kernel parameter "acpi_serialize" to "acpi_no_auto_serialize"
> >
> > Commit: 5f1cb4a92e4c4aabd139ff9ca1e11c0e2db2ac59
> > Author: Lv Zheng <lv.zheng@xxxxxxxxx>
> > Subject: ACPICA: Remove global option to serialize all control methods.
> >
> > Commit: cd52379678785b02d7a357988cfba214fdaf92f4
> > Author: Bob Moore <robert.moore@xxxxxxxxx>
> > Subject: ACPICA: Add global option to disable method auto-serialization.
> >
> > Commit: f56b05bd111b01141ef74568dc4d262c70295d03
> > Author: Lv Zheng <lv.zheng@xxxxxxxxx>
> > Subject: ACPICA: Add additional named objects for the auto-serialize method scan.
> >
> > Commit: 27f1899350a1d6baab117c03c87f0e37730047bd
> > Author: Bob Moore <robert.moore@xxxxxxxxx>
> > 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).

It took me some time to confirm.
I just checked ACPICA code using the ACPICA divergence script.
And checked the Linux side reversal in osl.c/kernel-parameter.txt.
All seem to be OK.

Best regards
-Lv

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