On Tue, 2020-10-06 at 18:44 +0900, Hajime Tazaki wrote: > Similar to arch/um/os-Linux code, arch/x86 also contains OS dependent > part as well. This patch moves underlying OS dependent part to tools/um > directory so that arch/x86 code does not need to build host build > facilities (e.g., libc). Again, I don't agree with the rationale. This isn't a tool in the kernel sense, and separating only by "what does it link against" doesn't make much sense either. johannes