objtool: Warn on zero-length functions
authorJosh Poimboeuf <jpoimboe@redhat.com>
Thu, 18 Jul 2019 01:36:49 +0000 (20:36 -0500)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 18 Jul 2019 19:01:07 +0000 (21:01 +0200)
commit61e9b75a0ccf1fecacc28a2d77ea4a19aa404e39
treebd51bf0c1091f2620f5adb159b194948fa73f433
parente10cd8fe8ddfd28a172d2be57ae0e90c7f752e6a
objtool: Warn on zero-length functions

All callable functions should have an ELF size.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/03d429c4fa87829c61c5dc0e89652f4d9efb62f1.1563413318.git.jpoimboe@redhat.com
tools/objtool/check.c