需要 standard ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:tiwai:bsc1256891/standard/home:tiwai:bsc1256891.repo
zypper refresh
zypper install kernel-docs
需要 S390 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:tiwai:bsc1256891/S390/home:tiwai:bsc1256891.repo
zypper refresh
zypper install kernel-docs
需要 RISCV ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:tiwai:bsc1256891/RISCV/home:tiwai:bsc1256891.repo
zypper refresh
zypper install kernel-docs
需要 PPC ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:tiwai:bsc1256891/PPC/home:tiwai:bsc1256891.repo
zypper refresh
zypper install kernel-docs
需要 LEGACYX86 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:tiwai:bsc1256891/LEGACYX86/home:tiwai:bsc1256891.repo
zypper refresh
zypper install kernel-docs
需要 ARM ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:tiwai:bsc1256891/ARM/home:tiwai:bsc1256891.repo
zypper refresh
zypper install kernel-docs