linux-kernel - [PATCH AUTOSEL 4.19 04/10] docs/scripts/gdb: add necessary make scripts

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Message-Id: <20230227021110.1053474-4-sashal@kernel.org>
Date:   Sun, 26 Feb 2023 21:11:01 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Jakob Koschel <jkl820.git@...il.com>,
        Jonathan Corbet <corbet@....net>,
        Sasha Levin <sashal@...nel.org>, linux-doc@...r.kernel.org
Subject: [PATCH AUTOSEL 4.19 04/10] docs/scripts/gdb: add necessary make scripts_gdb step

From: Jakob Koschel <jkl820.git@...il.com>

[ Upstream commit 6b219431037bf98c9efd49716aea9b68440477a3 ]

In order to debug the kernel successfully with gdb you need to run
'make scripts_gdb' nowadays.

This was changed with the following commit:

Commit 67274c083438340ad16c ("scripts/gdb: delay generation of gdb
constants.py")

In order to have a complete guide for beginners this remark
should be added to the offial documentation.

Signed-off-by: Jakob Koschel <jkl820.git@...il.com>
Link: https://lore.kernel.org/r/20230112-documentation-gdb-v2-1-292785c43dc9@gmail.com
Signed-off-by: Jonathan Corbet <corbet@....net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 Documentation/dev-tools/gdb-kernel-debugging.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/dev-tools/gdb-kernel-debugging.rst b/Documentation/dev-tools/gdb-kernel-debugging.rst
index 19df79286f000..afe4bc206486c 100644
--- a/Documentation/dev-tools/gdb-kernel-debugging.rst
+++ b/Documentation/dev-tools/gdb-kernel-debugging.rst
@@ -39,6 +39,10 @@ Setup
   this mode. In this case, you should build the kernel with
   CONFIG_RANDOMIZE_BASE disabled if the architecture supports KASLR.
 
+- Build the gdb scripts (required on kernels v5.1 and above)::
+
+    make scripts_gdb
+
 - Enable the gdb stub of QEMU/KVM, either
 
     - at VM startup time by appending "-s" to the QEMU command line
-- 
2.39.0