On Wed, May 27, 2026 at 12:15:39PM +0100, Gary Guo wrote: > On Tue May 26, 2026 at 9:52 AM BST, Mukesh Kumar Chaurasiya wrote: > > On Mon, May 25, 2026 at 08:16:53PM +0200, Miguel Ojeda wrote: > >> On Wed, May 20, 2026 at 8:48 AM Mukesh Kumar Chaurasiya (IBM) > >> <[email protected]> wrote: > >> > > >> > Minimum `rustc` version required for powerpc is 1.95 as some critical > >> > features required for compiling rust code for kernel are not there. > >> > >> Which critical features? > > Hey Miguel, > > > > Right now i can only think of inline asm. I can rerun the whole thing > > with 1.85 and figure out the issues with 1.85. I'll get back on this. > > > >> > >> > For example Stable inline asm support which got merged in 1.95. > >> > >> It is not needed that the support is stable, but rather that > >> everything you may need works. > >> > > I wanted inline asm be stable, I was skeptical about inline asm to be > > unstable and potentially messing up the whole system. That's the reason > > I waited for the stable support to get merged before sending out this > > patch series. > > AFAIK inline asm is only unstable for archs for their surface syntax (i.e. > name > of register and classes). The rest is just LLVM inline asm. If there're > codegen > issues, you should gate on LLVM version instead (Rust supports multiple LLVM > versions in a single release and distro may use different LLVM than rustup's). > > Best, > Gary Hey Gary,
Sry about delayed response. I'll check if the codegen has any issues. If yes we'll put a guard on that. Meanwhile i'll also test out the 1.85 for any other issues. Thanks for the help. Regards, Mukesh
