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Subject[PATCH bpf-next v2] Documentation: bpf: correct spelling
Correct spelling problems for Documentation/bpf/ as reported
by codespell.

Signed-off-by: Randy Dunlap <>
Cc: Andrii Nakryiko <>
Cc: Alexei Starovoitov <>
Cc: Daniel Borkmann <>
Cc: Jonathan Corbet <>
Reviewed-by: Bagas Sanjaya <>
v2: independent patch targeting bpf-next

Documentation/bpf/libbpf/libbpf_naming_convention.rst | 6 +++---
Documentation/bpf/map_xskmap.rst | 2 +-
Documentation/bpf/ringbuf.rst | 4 ++--
Documentation/bpf/verifier.rst | 2 +-
4 files changed, 7 insertions(+), 7 deletions(-)

diff -- a/Documentation/bpf/libbpf/libbpf_naming_convention.rst b/Documentation/bpf/libbpf/libbpf_naming_convention.rst
--- a/Documentation/bpf/libbpf/libbpf_naming_convention.rst
+++ b/Documentation/bpf/libbpf/libbpf_naming_convention.rst
@@ -83,8 +83,8 @@ This prevents from accidentally exportin
to be a part of ABI what, in turn, improves both libbpf developer- and

-ABI versionning
+ABI versioning

To make future ABI extensions possible libbpf ABI is versioned.
Versioning is implemented by ```` version script that is
@@ -148,7 +148,7 @@ API documentation convention
The libbpf API is documented via comments above definitions in
header files. These comments can be rendered by doxygen and sphinx
for well organized html output. This section describes the
-convention in which these comments should be formated.
+convention in which these comments should be formatted.

Here is an example from btf.h:

diff -- a/Documentation/bpf/map_xskmap.rst b/Documentation/bpf/map_xskmap.rst
--- a/Documentation/bpf/map_xskmap.rst
+++ b/Documentation/bpf/map_xskmap.rst
@@ -178,7 +178,7 @@ The following code snippet shows how to

For an example on how create AF_XDP sockets, please see the AF_XDP-example and
AF_XDP-forwarding programs in the `bpf-examples`_ directory in the `libxdp`_ repository.
-For a detailed explaination of the AF_XDP interface please see:
+For a detailed explanation of the AF_XDP interface please see:

- `libxdp-readme`_.
- `AF_XDP`_ kernel documentation.
diff -- a/Documentation/bpf/ringbuf.rst b/Documentation/bpf/ringbuf.rst
--- a/Documentation/bpf/ringbuf.rst
+++ b/Documentation/bpf/ringbuf.rst
@@ -124,7 +124,7 @@ buffer. Currently 4 are supported:

- ``BPF_RB_AVAIL_DATA`` returns amount of unconsumed data in ring buffer;
- ``BPF_RB_RING_SIZE`` returns the size of ring buffer;
-- ``BPF_RB_CONS_POS``/``BPF_RB_PROD_POS`` returns current logical possition
+- ``BPF_RB_CONS_POS``/``BPF_RB_PROD_POS`` returns current logical position
of consumer/producer, respectively.

Returned values are momentarily snapshots of ring buffer state and could be
@@ -146,7 +146,7 @@ Design and Implementation
This reserve/commit schema allows a natural way for multiple producers, either
on different CPUs or even on the same CPU/in the same BPF program, to reserve
independent records and work with them without blocking other producers. This
-means that if BPF program was interruped by another BPF program sharing the
+means that if BPF program was interrupted by another BPF program sharing the
same ring buffer, they will both get a record reserved (provided there is
enough space left) and can work with it and submit it independently. This
applies to NMI context as well, except that due to using a spinlock during
diff -- a/Documentation/bpf/verifier.rst b/Documentation/bpf/verifier.rst
--- a/Documentation/bpf/verifier.rst
+++ b/Documentation/bpf/verifier.rst
@@ -192,7 +192,7 @@ checked and found to be non-NULL, all co
As well as range-checking, the tracked information is also used for enforcing
alignment of pointer accesses. For instance, on most systems the packet pointer
is 2 bytes after a 4-byte alignment. If a program adds 14 bytes to that to jump
-over the Ethernet header, then reads IHL and addes (IHL * 4), the resulting
+over the Ethernet header, then reads IHL and adds (IHL * 4), the resulting
pointer will have a variable offset known to be 4n+2 for some n, so adding the 2
bytes (NET_IP_ALIGN) gives a 4-byte alignment and so word-sized accesses through
that pointer are safe.
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