Re: [PR PATCH] [Updated] linux5.7: enable BPF type format on x86_64

[egorenar <egorenar@users.noreply.github.com>]

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There is an updated pull request by egorenar against master on the void-packages repository

https://github.com/egorenar/void-packages linux-5.7-enable-btf-x86_64
https://github.com/void-linux/void-packages/pull/23534

linux5.7: enable BPF type format on x86_64
Required e.g. for opensnoop from bcc-tools to fix the following problem:
libbpf: failed to find valid kernel BTF
libbpf: vmlinux BTF is not found
bpf: Failed to load program: Invalid argument

A patch file from https://github.com/void-linux/void-packages/pull/23534.patch is attached

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From 370aaf60363dca37308dda58f91697ddee604597 Mon Sep 17 00:00:00 2001
From: Alexander Egorenkov <egorenar-dev@posteo.net>
Date: Sun, 12 Jul 2020 11:59:15 +0200
Subject: [PATCH] linux5.7: enable BPF type format on x86_64

Required e.g. for opensnoop from bcc-tools to fix the following problem:
libbpf: failed to find valid kernel BTF
libbpf: vmlinux BTF is not found
bpf: Failed to load program: Invalid argument
---
 srcpkgs/linux5.7/files/x86_64-dotconfig | 2 +-
 srcpkgs/linux5.7/template               | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/srcpkgs/linux5.7/files/x86_64-dotconfig b/srcpkgs/linux5.7/files/x86_64-dotconfig
index 051a8db9923..9a94b7d6a16 100644
--- a/srcpkgs/linux5.7/files/x86_64-dotconfig
+++ b/srcpkgs/linux5.7/files/x86_64-dotconfig
@@ -9563,7 +9563,7 @@ CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_INFO_REDUCED is not set
 # CONFIG_DEBUG_INFO_SPLIT is not set
 # CONFIG_DEBUG_INFO_DWARF4 is not set
-# CONFIG_DEBUG_INFO_BTF is not set
+CONFIG_DEBUG_INFO_BTF=y
 # CONFIG_GDB_SCRIPTS is not set
 # CONFIG_ENABLE_MUST_CHECK is not set
 CONFIG_FRAME_WARN=1024
diff --git a/srcpkgs/linux5.7/template b/srcpkgs/linux5.7/template
index 7a250fb34c5..3b435f9b5c8 100644
--- a/srcpkgs/linux5.7/template
+++ b/srcpkgs/linux5.7/template
@@ -22,7 +22,7 @@ noshlibprovides=yes
 preserve=yes
 
 hostmakedepends="tar xz bc elfutils-devel flex gmp-devel kmod libmpc-devel
- libressl-devel perl uboot-mkimage cpio"
+ libressl-devel perl uboot-mkimage cpio pahole"
 
 _kernver="${version}_${revision}"
 triggers="kernel-hooks"