bpf, doc: rename txt files to rst files

This will cause them to get auto rendered, e.g. when viewing them on GitHub.
Followup patches will correct the content to be RST compliant.

Also adjust README.rst to point to the renamed files.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

3 files changed, 2 insertions, 2 deletions

diff --git a/Documentation/bpf/README.rst b/Documentation/bpf/README.rst
index 329469c33db8..b9a80c9e9392 100644
--- a/Documentation/bpf/README.rst
+++ b/Documentation/bpf/README.rst
@@ -28,8 +28,8 @@ Two sets of Questions and Answers (Q&A) are maintained.
 
 
 .. Links:
-.. _bpf_design_QA: bpf_design_QA.txt
-.. _bpf_devel_QA:  bpf_devel_QA.txt
+.. _bpf_design_QA: bpf_design_QA.rst
+.. _bpf_devel_QA:  bpf_devel_QA.rst
 .. _Documentation/networking/filter.txt: ../networking/filter.txt
 .. _man-pages: https://www.kernel.org/doc/man-pages/
 .. _bpf(2): http://man7.org/linux/man-pages/man2/bpf.2.html
diff --git a/Documentation/bpf/bpf_design_QA.txt b/Documentation/bpf/bpf_design_QA.rst
index f3e458a0bb2f..f3e458a0bb2f 100644
--- a/Documentation/bpf/bpf_design_QA.txt
+++ b/Documentation/bpf/bpf_design_QA.rst
diff --git a/Documentation/bpf/bpf_devel_QA.txt b/Documentation/bpf/bpf_devel_QA.rst
index da57601153a0..da57601153a0 100644
--- a/Documentation/bpf/bpf_devel_QA.txt
+++ b/Documentation/bpf/bpf_devel_QA.rst