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Behan Webster committed a4ceab1adbe
arm64: LLVMLinux: Use global stack pointer in return_address() The global register current_stack_pointer holds the current stack pointer. This change supports being able to compile the kernel with both gcc and clang. Author: Mark Charlebois <charlebm@gmail.com> Signed-off-by: Mark Charlebois <charlebm@gmail.com> Signed-off-by: Behan Webster <behanw@converseincode.com> Signed-off-by: Will Deacon <will.deacon@arm.com>