On Tue, Jul 02, 2019 at 11:58:27PM +0200, Thomas Gleixner wrote: > platform-quirks.o: > > if (x86_platform.set_legacy_features) > 74: 4c 8b 1d 00 00 00 00 mov 0x0(%rip),%r11 # 7b > <x86_early_init_platform_quirks+0x7b> > 7b: 4d 85 db test %r11,%r11 > 7e: 0f 85 00 00 00 00 jne 84 > <x86_early_init_platform_quirks+0x84> > x86_platform.set_legacy_features(); > } > 84: c3 retq > > That jne jumps to __x86_indirect_thunk_r11, aka. ratpoutine. > > No idea why objtool thinks that the instruction at 0x84 is not > reachable. Josh?
That's a conditional tail call, which is something GCC never does. Objtool doesn't understand that, so we'll need to fix it. -- Josh
