From 8f6a97734a9ecb63320d73ec42efd6f4c03eac5b Mon Sep 17 00:00:00 2001
From: Qiumiao Zhang <zhangqiumiao1@huawei.com>
Date: Thu, 7 Apr 2022 03:41:52 -0400
Subject: [PATCH] Support configuration of additional boot arguments

---
 data/anaconda.conf                            | 3 +++
 pyanaconda/core/configuration/bootloader.py   | 8 ++++++++
 pyanaconda/modules/storage/bootloader/base.py | 5 +++++
 3 files changed, 16 insertions(+)

diff --git a/data/anaconda.conf b/data/anaconda.conf
index c622700..3e63c50 100644
--- a/data/anaconda.conf
+++ b/data/anaconda.conf
@@ -134,6 +134,9 @@ preserved_arguments =
      biosdevname ipv6.disable net.ifnames net.ifnames.prefix
      nosmt
 
+# Arguments added by default.
+additional_arguments =
+
 
 [Storage]
 # Enable dmraid usage during the installation.
diff --git a/pyanaconda/core/configuration/bootloader.py b/pyanaconda/core/configuration/bootloader.py
index 6746e45..7b782d3 100644
--- a/pyanaconda/core/configuration/bootloader.py
+++ b/pyanaconda/core/configuration/bootloader.py
@@ -69,3 +69,11 @@ class BootloaderSection(Section):
         :return: a list of kernel arguments
         """
         return self._get_option("preserved_arguments", str).split()
+
+    @property
+    def additional_arguments(self):
+        """Arguments added by default.
+
+        :return: a list of kernel arguments
+        """
+        return self._get_option("additional_arguments", str).split()
diff --git a/pyanaconda/modules/storage/bootloader/base.py b/pyanaconda/modules/storage/bootloader/base.py
index a45a530..db98693 100644
--- a/pyanaconda/modules/storage/bootloader/base.py
+++ b/pyanaconda/modules/storage/bootloader/base.py
@@ -707,6 +707,7 @@ class BootLoader(object):
         self._set_extra_boot_args()
         self._set_storage_boot_args(storage)
         self._preserve_some_boot_args()
+        self._add_additional_boot_args()
         self._set_graphical_boot_args()
         self._set_security_boot_args()
 
@@ -843,6 +844,10 @@ class BootLoader(object):
 
             self.boot_args.add(new_arg)
 
+    def _add_additional_boot_args(self):
+        for opt in conf.bootloader.additional_arguments:
+            self.boot_args.add(opt)
+
     def _set_graphical_boot_args(self):
         """Set up the graphical boot."""
         args = []
-- 
2.19.1