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-rw-r--r--Documentation/process/changes.rst13
1 files changed, 12 insertions, 1 deletions
diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst
index e35ab74a0f80..cf908d79666e 100644
--- a/Documentation/process/changes.rst
+++ b/Documentation/process/changes.rst
@@ -35,6 +35,7 @@ GNU make 3.81 make --version
binutils 2.23 ld -v
flex 2.5.35 flex --version
bison 2.0 bison --version
+pahole 1.16 pahole --version
util-linux 2.10o fdformat --version
kmod 13 depmod -V
e2fsprogs 1.41.4 e2fsck -V
@@ -54,7 +55,7 @@ mcelog 0.6 mcelog --version
iptables 1.4.2 iptables -V
openssl & libcrypto 1.0.0 openssl version
bc 1.06.95 bc --version
-Sphinx\ [#f1]_ 1.3 sphinx-build --version
+Sphinx\ [#f1]_ 1.7 sphinx-build --version
====================== =============== ========================================
.. [#f1] Sphinx is needed only to build the Kernel documentation
@@ -108,6 +109,16 @@ Bison
Since Linux 4.16, the build system generates parsers
during build. This requires bison 2.0 or later.
+pahole:
+-------
+
+Since Linux 5.2, if CONFIG_DEBUG_INFO_BTF is selected, the build system
+generates BTF (BPF Type Format) from DWARF in vmlinux, a bit later from kernel
+modules as well. This requires pahole v1.16 or later.
+
+It is found in the 'dwarves' or 'pahole' distro packages or from
+https://fedorapeople.org/~acme/dwarves/.
+
Perl
----