Subject: Re: [PATCH] rust: arm64: set uwtable llvm module flag for CONFIG_UNWIND_TABLES

From: Alice Ryhl <[email-masked]>
Date: Fri, 29 May 2026 14:45:25 +0000

On Fri, May 29, 2026 at 04:29:26PM +0200, Miguel Ojeda wrote:
> On Fri, May 29, 2026 at 8:32 AM Alice Ryhl <[email-masked]> wrote:
> >
> > Hrm, is there a way to perform the version check in the Makefile, or do
> > I need a Kconfig for whether the fix is needed?
> 
> We shouldn't need a Kconfig -- we can do e.g.
> 
>   KBUILD_RUSTFLAGS += $(if $(call rustc-min-version,109800),,-Zllvm_module_flag=uwtable:u32:2:max)

Ah, right we can do it like that! LGTM.

Alice