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Anton Blanchard authored
The hcall macros may call out to c code for tracing, so we need to set up a valid r2. This fixes an oops found when testing ibmvscsi as a module. Signed-off-by:
Anton Blanchard <anton@samba.org> Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org>
c1931e21