So, I'm attempting to merge together the Xen Linux kernel and the openMOSIX
Linux kernel into a single 2.6.18 kernel that I can run for PV guests and also
use for openMOSIX. (Yes, I know openMOSIX development has been discontinued,
and I'm still trying to do it :-). I'm running into a couple of issues, and
one of them involves a change made to the do_signal function in the Xen code.
The openMOSIX code uses the do_signal function in its code; however, in the Xen
code, the do_signal function for the x86_64 architecture was changed to static
void (from int) in the arch/x86_64/kernel/signal.c file (changeset 375 in the
linux-2.6.18-xen.hg repository). This is causing some errors trying to compile
the openMOSIX code, as it cannot find a do_signal function.
So, I'm wondering a couple of things:
- Is there a reason why do_signal is marked static, and so cannot be shared
with other source files?
- What are the ramifications of removing static from that function definition
in order to make it usable in the openMOSIX code? I'm assuming there was a
good reason for making it static, and I'd like to verify that removing it as
part of applying the OM code isn't going to cause problems.
Thanks,
Nick
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