On Wed, 29 Aug 2007 11:33:06 -0700 (PDT) bugme-daemon@bugzilla.kernel.org wrote:

quoted text
> http://bugzilla.kernel.org/show_bug.cgi?id=8957
> 
>            Summary: Exported functions and variables should not be reachable
>                     by the outside of the module until module_init finishes
>            Product: Other
>            Version: 2.5
>      KernelVersion: 2.6.23-rc4
>           Platform: All
>         OS/Version: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: normal
>           Priority: P1
>          Component: Modules
>         AssignedTo: other_modules@kernel-bugs.osdl.org
>         ReportedBy: mattilinnanvuori@yahoo.com
> 
> 
> Problem Description: a module's exported functions can be called before before
> they are properly initialized by the module_init function.
> 
> Steps to reproduce: write a module that exports functions that require
> initialization by the module_init function to work correctly.
> 
> E.g. spin lock variables are no longer allowed to be initialized by C
> initializers of the module but only by spin_lock_init that can be called by the
> module_init function. If an exported function calls spin_lock before it is
> initialized, it deadlocks.
> 

ooh, nice bug ;)
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