On Mon, 15 Mar 2021 05:37:40 +0900, Johannes Berg wrote: > > On Wed, 2021-01-20 at 11:27 +0900, Hajime Tazaki wrote: > > > > diff --git a/arch/um/Kconfig b/arch/um/Kconfig > > index 24c6596260de..5fb6a852d058 100644 > > --- a/arch/um/Kconfig > > +++ b/arch/um/Kconfig > > @@ -29,6 +29,10 @@ config UMMODE_LIB > > select UACCESS_MEMCPY > > select ARCH_THREAD_STACK_ALLOCATOR > > select ARCH_HAS_SYSCALL_WRAPPER > > + select VFAT_FS > > + select NLS_CODEPAGE_437 > > + select NLS_ISO8859_1 > > + select BTRFS_FS > > That doesn't really seem to make sense - the sample might need it, but > generally LKL doesn't/shouldn't? I'm trying to understand your comment; Do you mean that enabling those options in Kconfig doesn't make sense ? and if you mean the sample as sample code, is the added test case (e.g., tools/testing/selftests/um/disk.c, which is included in the same patch) for this purpose ? -- HAjime