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Use a kmalloced data structure to store interrupt controller internal data instead of static global variables. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/c8f0866ee013113d5e28948943cf0586e49f5353.1649226186.git.christophe.leroy@csgroup.eu