Merge branch 'objtool/core'

Bring in the UDB and objtool data annotations to avoid conflicts while further extending the bug exceptions.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>

diff --cc arch/powerpc/include/asm/bug.h
Simple merge

diff --cc arch/x86/include/asm/bug.h
Simple merge

diff --cc kernel/panic.c
Simple merge

diff --cc lib/Kconfig.debug
Simple merge