From e97c4a27cb9c4c06fdc6d0760d7ea031c98b58a5 Mon Sep 17 00:00:00 2001
From: Ilya Leoshkevich <iii@linux.ibm.com>
Date: Thu, 15 May 2025 17:52:12 +0200
Subject: scripts/gdb/symbols: factor out pagination_off()

Move the code that turns off pagination into a separate function.  It will
be useful later in order to prevent hangs when loading symbols for kernel
image in physical memory during s390 early boot.

Link: https://lkml.kernel.org/r/20250515155811.114392-3-iii@linux.ibm.com
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Kieran Bingham <kbingham@kernel.org>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 scripts/gdb/linux/utils.py | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'scripts/gdb/linux/utils.py')

diff --git a/scripts/gdb/linux/utils.py b/scripts/gdb/linux/utils.py
index 6e125830d3f2..e11f6f67961a 100644
--- a/scripts/gdb/linux/utils.py
+++ b/scripts/gdb/linux/utils.py
@@ -260,3 +260,14 @@ def get_vmlinux():
             obj.filename.endswith('vmlinux.debug')):
             vmlinux = obj.filename
     return vmlinux
+
+
+@contextlib.contextmanager
+def pagination_off():
+    show_pagination = gdb.execute("show pagination", to_string=True)
+    pagination = show_pagination.endswith("on.\n")
+    gdb.execute("set pagination off")
+    try:
+        yield
+    finally:
+        gdb.execute("set pagination %s" % ("on" if pagination else "off"))
-- 
cgit