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spinlocks, the GPL, and binary-only modules

DISCUSSION David McIlwraith 1 participant 1 message Nov 20, 2002

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Ugh. Seems I misunderstood; I didn't note the reference to binary modules. ----- Original Message -----
From: "David McIlwraith" <[email protected]>
To: <[email protected]>
Sent: Wednesday, November 20, 2002 1:49 PM
Subject: Re: spinlocks, the GPL, and binary-only modules

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How should it? The compiler (specifically, the C preprocessor) includes

the

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code, thus it is not the AUTHOR violating the GPL.

----- Original Message -----
From: "Rik van Riel" <[email protected]>
To: "Jeff Garzik" <[email protected]>
Cc: "Linux Kernel Mailing List" <[email protected]>
Sent: Wednesday, November 20, 2002 12:52 PM
Subject: Re: spinlocks, the GPL, and binary-only modules

Quoted 4 lines · Jeff Garzik
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So, since spinlocks and semaphores are (a) inline and #included into your code, and (b) required for just about sane interoperation with

Linux...

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does this mean that all binary-only modules that #include kernel code such as spinlocks are violating the GPL?

But who knows if #include'd code constitutes a derived work :(

Only if the #included snippets of code are large enough to be protected by copyright, which might be true of the stuff in mm_inline.h and of some of the semaphore code, but probably isn't true of the spinlock code.

Even if the code #included is large enough to be protected by copyright I don't know if the code including it would be considered a derived work. Many questions remaining...

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regards,

Rik
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