On Thu, Oct 27, 2022, at 15:38, Ao Zhong wrote: > Am Do., 27. Okt. 2022 um 12:52 Uhr schrieb Arnd Bergmann <arnd@xxxxxxxx>: > >> Why do you need separate $(dml_rcflags) and $(dml_rcflags_arm64) >> rather than adding -mgeneral-regs-only to $(dml_rcflags) directly? > > I don't know if $(dml_rcflags) has any other use. I'm afraid my patch > will break something. >From the git history, it looks like dml_rcflags was introduced for arm64 support originally and left in place when this support got disabled. Arnd