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Basically, the following kernel option must be enabled:
CONFIG_EXT2_FS_POSIX_ACL=y
CONFIG_EXT3_FS_POSIX_ACL=y
CONFIG_NFS_V3_ACL=y
CONFIG_EXT4_FS_POSIX_ACL=y
CONFIG_BTRFS_FS_POSIX_ACL=y
CONFIG_TMPFS_FS_POSIX_ACL=y
how to make kernel option enabled?
一般是在deconfig这样的文件中添加，例如 j721e_evm_r5_defconfig
