[PATCH bpf-next] bpf, docs: Add introduction for use in the ISA Internet Draft

[Dave Thaler <dthaler1968@googlemail.com>]

The proposed intro paragraph text is derived from the first paragraph
of the IETF BPF WG charter at https://datatracker.ietf.org/wg/bpf/about/

Signed-off-by: Dave Thaler <dthaler1968@gmail.com>
---
 Documentation/bpf/standardization/instruction-set.rst | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Documentation/bpf/standardization/instruction-set.rst b/Documentation/bpf/standardization/instruction-set.rst
index d03d90afb..b44bdacd0 100644
--- a/Documentation/bpf/standardization/instruction-set.rst
+++ b/Documentation/bpf/standardization/instruction-set.rst
@@ -5,7 +5,11 @@
 BPF Instruction Set Architecture (ISA)
 ======================================
 
-This document specifies the BPF instruction set architecture (ISA).
+eBPF (which is no longer an acronym for anything), also commonly
+referred to as BPF, is a technology with origins in the Linux kernel
+that can run untrusted programs in a privileged context such as an
+operating system kernel. This document specifies the BPF instruction
+set architecture (ISA).
 
 Documentation conventions
 =========================
-- 
2.40.1