On Sun, Apr 12, 2020 at 7:06 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote: > > CONFIG_AS_CFI_SIGNAL_FRAME is never defined for ARC. > > Suggested-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx> Thanks for the patch. I worry there may be many preprocessor checks in the kernel that are always true/false. Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> > --- > > arch/arc/kernel/unwind.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c > index 27ea64b1fa33..f87758a6851b 100644 > --- a/arch/arc/kernel/unwind.c > +++ b/arch/arc/kernel/unwind.c > @@ -1178,11 +1178,9 @@ int arc_unwind(struct unwind_frame_info *frame) > #endif > > /* update frame */ > -#ifndef CONFIG_AS_CFI_SIGNAL_FRAME > if (frame->call_frame > && !UNW_DEFAULT_RA(state.regs[retAddrReg], state.dataAlign)) > frame->call_frame = 0; > -#endif > cfa = FRAME_REG(state.cfa.reg, unsigned long) + state.cfa.offs; > startLoc = min_t(unsigned long, UNW_SP(frame), cfa); > endLoc = max_t(unsigned long, UNW_SP(frame), cfa); > -- > 2.25.1 > -- Thanks, ~Nick Desaulniers _______________________________________________ linux-snps-arc mailing list linux-snps-arc@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-snps-arc