Re: [PATCH v2 9/9] objtool: Ignore exc_double_fault() __noreturn warnings

From: Nick Desaulniers
Date: Fri Apr 14 2023 - 17:17:06 EST


On Thu, Apr 13, 2023 at 2:24 AM Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> On Wed, Apr 12, 2023 at 12:03:24PM -0700, Josh Poimboeuf wrote:
> > + * - have compiler communicate __noreturn functions somehow

Could probably stuff these in some kind of "noreturn function symbol
table"/custom elf section; DWARF tags are nice but we don't always
want debug info. (I should ask colleagues if there's anything like
this in DWARF already, perhaps for DWARFv6).

>
> This, we're going to have to do that -- because keeping that (ever
> growing) list in sync is going to be a pain in the backside.
>


--
Thanks,
~Nick Desaulniers