RE: [PATCH 0/3] acpi: remove modular references from non modular code

[Zheng, Lv]

Hi,

> -----Original Message-----
> From: linux-acpi-owner@xxxxxxxxxxxxxxx [mailto:linux-acpi-
> owner@xxxxxxxxxxxxxxx] On Behalf Of Paul Gortmaker
> Sent: Monday, February 15, 2016 1:28 PM
> To: linux-kernel@xxxxxxxxxxxxxxx
> Cc: Gortmaker, Paul (Wind River) <paul.gortmaker@xxxxxxxxxxxxx>; Lu, Aaron
> <aaron.lu@xxxxxxxxx>; Huang, Ying <ying.huang@xxxxxxxxx>; Josh Triplett
> <josh@xxxxxxxxxxxxxxxx>; Len Brown <lenb@xxxxxxxxxx>; Matthew Garrett
> <mjg59@xxxxxxxxxxxxx>; Rafael J. Wysocki <rjw@xxxxxxxxxxxxx>; linux-
> acpi@xxxxxxxxxxxxxxx
> Subject: [PATCH 0/3] acpi: remove modular references from non modular code
> 
> An audit of i386/x86_64 allmodconfig builds found these instances of
> non-modular ACPI code needlessly using the modular equivalents of
> their built-in counterparts.
> 
> In fixing that, we get rid of some dead code, make the mandate of
> the remaining code more clear, and leave behind better examples
> for future ACPI code to copy/emulate.
> 
> Two of them are trivial, in that there is no binary output change.
> The other has dead code removal so the binary output will be
> slightly smaller.   We've done a direct mapping of module_init to
> device_initcall in each instance, so there is no initcall
> reordering risks here.  Overall, in all cases, the runtime should
> be completely unchanged.
> 
> Where others have deployed module_param() already, we have to
> leave it, because there is no equivalent builtin_param (not yet)
> and we have to remain compatible with existing bootarg users.
> 
> Paul.
> ---
> 
> Cc: Aaron Lu <aaron.lu@xxxxxxxxx>
> Cc: Huang Ying <ying.huang@xxxxxxxxx>
> Cc: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
> Cc: Len Brown <lenb@xxxxxxxxxx>
> Cc: Matthew Garrett <mjg59@xxxxxxxxxxxxx>
> Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>
> Cc: linux-acpi@xxxxxxxxxxxxxxx
> 
> Paul Gortmaker (3):
>   drivers/acpi: make bgrt driver explicitly non-modular
>   drivers/acpi: make apei/ghes.c more explicitly non-modular
>   drivers/acpi: make pmic/intel_pmic_crc.c explicitly non-modular
> 
>  drivers/acpi/apei/ghes.c           | 23 +++++++----------------
>  drivers/acpi/bgrt.c                | 10 +++-------
>  drivers/acpi/pmic/intel_pmic_crc.c |  7 ++-----
[Lv Zheng] 
Some drivers indeed can be built as modules.
They are not modules just because defects in the APIs that are provided by ACPICA.
And the defects will be no longer there sooner or later.

Thanks
-Lv

>  3 files changed, 12 insertions(+), 28 deletions(-)
> 
> --
> 2.6.1
> 
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