Re: [PATCH 06/13] ACPI/IPMI: Add reference counting for ACPI operation region handlers

[Rafael J. Wysocki]

On Tuesday, July 23, 2013 04:09:43 PM Lv Zheng wrote:
> This patch adds reference couting for ACPI operation region handlers to fix
> races caused by the ACPICA address space callback invocations.
> 
> ACPICA address space callback invocation is not suitable for Linux
> CONFIG_MODULE=y execution environment.

Actually, can you please explain to me what *exactly* the problem is?

Rafael

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