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Subject[PATCH] tainting FAQ

short and sweet. (useful) comments ?


--- faq.html Thu Oct 11 18:42:44 2001
+++ faqnew.html Thu Oct 11 18:51:22 2001
@@ -513,6 +513,10 @@
and Alan Cox's -ac series of patches?</A>

+<A HREF="#s1-22">What does it mean for a module to be tainted ?</A>

@@ -1794,6 +1798,34 @@


+<A NAME="s1-22"></A><B>What does it mean for a module to be tainted?</B>
+Some vendors distribute binary modules (i.e. modules without available
+source code under a free software license).
+As the source is not freely available, any bugs uncovered whilst such
+modules are loaded cannot be investigated by the kernel hackers. All
+problems discovered whilst such a module is loaded must be reported
+to the vendor of that module, <I>not</I> the Linux kernel hackers and
+the linux-kernel mailing list. The tainting scheme is used to identify
+bug reports from kernels with binary modules loaded: such kernels are
+marked as "tainted" by means of the <TT>MODULE_LICENSE</TT> tag. If a
+module is loaded that does not specify an approved license, the kernel
+is marked as tainted. The canonical list of approved license strings
+is in <TT>linux/include/module.h</TT>.<BR>
+"oops" reports marked as tainted are of no use to the kernel developers
+and will be ignored. A warning is output when such a module is loaded.
+Note that you may come across module source that is under a compatible
+license, but does not have a suitable <TT>MODULE_LICENSE</TT> tag. If you
+see a warning from <TT>modprobe</TT> or <TT>insmod</TT> for a module
+under a compatible license, please report this bug to the maintainers of
+the module, so that they can add the necessary tag.

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