Now that the heat wave is over in SF....back to my loadable module project
changes to isp... maybe this is more for the toolchain folks than kernel
hackers...
So, I notice that '#pragma weak' appears to work for me for the compilers and
linkers we currently use for i386 && alpha (at least in user space), so you
can do things like:
---------
extern void *isp_static_fw_vector(void);
#pragma weak isp_static_fw_vector
.....
if (isp_static_fw_vector) {
/*
* We have statically loaded f/w
*
fw_ptr = isp_static_fw_vector();
} else {
/*
* Statically loaded f/w not available. See if
* there's a module for it somewhere and get the f/w
* vector from there...
*/
fw_ptr = find_isp_fw_preloaded_module_and_return_fw_vector();
}
....
---------
Is there any reason to *not* use this trick in the kernel?
-matt
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