Messages in this thread | | | Date | Thu, 30 Aug 2007 09:56:22 -0700 | From | Arjan van de Ven <> | Subject | Re: [Bugme-new] [Bug 8957] New: Exported functions and variables |
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On Thu, 30 Aug 2007 09:41:41 -0700 (PDT) Matti Linnanvuori <mattilinnanvuori@yahoo.com> wrote:
> I thought that the bug might happen when two kernel modules are being > loaded. If module A is loaded and its code includes references to > functions exported by module B, I thought module A could call those > functions before the module_init function of module B has finished. I > was not thinking about buggy calls to registering interface > functions. I just thought that the kernel should not allow symbols > exported by EXPORT_SYMBOLto be visible to other modules before the > module_init function is finished. One could code the exported > functions so that they could be safely called by anyone while the > module_init function is being called but that would be an unnecessary > burden for coders. I think that a module should expose its functions > and variables only by calling registering interface functions before > the module_init function is finished. So I think the design of the > kernel modules is flawed if it allows anyone to call exported > functions before the module_init function is finished. >
have you seen this? module loading is pretty much serialized, so that no 2 modules are being loaded in parallel... - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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