On Mon, Oct 7, 2019 at 1:28 PM 'Nick Desaulniers' via Clang Built Linux <clang-built-li...@googlegroups.com> wrote: > I tried adding `.arch armv8-a+lse` directives to all of the inline asm: > https://github.com/ClangBuiltLinux/linux/issues/573#issuecomment-535098996
Yes, I had a similar patch earlier. I feel like using a command line parameter here is cleaner, but I'm fine with either solution. > One thing to be careful about is that blankets the entire kernel in > `+lse`, allowing LSE atomics to be selected at any point. Is that a problem? The current code allows LSE instructions with gcc in any file that includes <asm/lse.h>, which turns out to be quite a few places. Sami