[PATCH] xtensa: update arch features

xtensa now supports tracehook, queued spinlocks and rwlocks. Update corresponding Documentation/features entries. Signed-off-by: Max Filippov --- Documentation/features/core/tracehook/arch-support.txt | 2 +- Documentation/features/locking/queued-rwlocks/arch-support.txt | 2 +- Docu

[PATCH] docs: use flexible array members, not zero-length

Update the docs throughout to remove zero-length arrays, replacing them with C99 flexible array members. GCC will then ensure that the arrays are always the last element in the struct. Signed-off-by: Stephen Kitt Cc: Gustavo A. R. Silva --- Documentation/bpf/btf.rst | 2 +-