| # | 
 | # Feature name:          queued-rwlocks | 
 | #         Kconfig:       ARCH_USE_QUEUED_RWLOCKS | 
 | #         description:   arch supports queued rwlocks | 
 | # | 
 |     ----------------------- | 
 |     |         arch |status| | 
 |     ----------------------- | 
 |     |       alpha: | TODO | | 
 |     |         arc: | TODO | | 
 |     |         arm: | TODO | | 
 |     |       arm64: |  ok  | | 
 |     |         c6x: | TODO | | 
 |     |        csky: |  ok  | | 
 |     |       h8300: | TODO | | 
 |     |     hexagon: | TODO | | 
 |     |        ia64: | TODO | | 
 |     |        m68k: | TODO | | 
 |     |  microblaze: | TODO | | 
 |     |        mips: |  ok  | | 
 |     |       nds32: | TODO | | 
 |     |       nios2: | TODO | | 
 |     |    openrisc: |  ok  | | 
 |     |      parisc: | TODO | | 
 |     |     powerpc: | TODO | | 
 |     |       riscv: | TODO | | 
 |     |        s390: | TODO | | 
 |     |          sh: | TODO | | 
 |     |       sparc: |  ok  | | 
 |     |          um: | TODO | | 
 |     |   unicore32: | TODO | | 
 |     |         x86: |  ok  | | 
 |     |      xtensa: |  ok  | | 
 |     ----------------------- |