Patch "scripts/gdb: fix lx-timerlist for Python3" has been added to the 5.15-stable tree

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This is a note to let you know that I've just added the patch titled

    scripts/gdb: fix lx-timerlist for Python3

to the 5.15-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     scripts-gdb-fix-lx-timerlist-for-python3.patch
and it can be found in the queue-5.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 7362042f3556528e9e9b1eb5ce8d7a3a6331476b Mon Sep 17 00:00:00 2001
From: Peng Liu <liupeng17@xxxxxxxxxx>
Date: Tue, 21 Mar 2023 14:19:29 +0800
Subject: scripts/gdb: fix lx-timerlist for Python3

From: Peng Liu <liupeng17@xxxxxxxxxx>

commit 7362042f3556528e9e9b1eb5ce8d7a3a6331476b upstream.

Below incompatibilities between Python2 and Python3 made lx-timerlist fail
to run under Python3.

o xrange() is replaced by range() in Python3
o bytes and str are different types in Python3
o the return value of Inferior.read_memory() is memoryview object in
  Python3

akpm: cc stable so that older kernels are properly debuggable under newer
Python.

Link: https://lkml.kernel.org/r/TYCP286MB2146EE1180A4D5176CBA8AB2C6819@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Peng Liu <liupeng17@xxxxxxxxxx>
Reviewed-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
Cc: Florian Fainelli <f.fainelli@xxxxxxxxx>
Cc: Kieran Bingham <kbingham@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 scripts/gdb/linux/timerlist.py |    4 +++-
 scripts/gdb/linux/utils.py     |    5 ++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

--- a/scripts/gdb/linux/timerlist.py
+++ b/scripts/gdb/linux/timerlist.py
@@ -73,7 +73,7 @@ def print_cpu(hrtimer_bases, cpu, max_cl
     ts = cpus.per_cpu(tick_sched_ptr, cpu)
 
     text = "cpu: {}\n".format(cpu)
-    for i in xrange(max_clock_bases):
+    for i in range(max_clock_bases):
         text += " clock {}:\n".format(i)
         text += print_base(cpu_base['clock_base'][i])
 
@@ -158,6 +158,8 @@ def pr_cpumask(mask):
     num_bytes = (nr_cpu_ids + 7) / 8
     buf = utils.read_memoryview(inf, bits, num_bytes).tobytes()
     buf = binascii.b2a_hex(buf)
+    if type(buf) is not str:
+        buf=buf.decode()
 
     chunks = []
     i = num_bytes
--- a/scripts/gdb/linux/utils.py
+++ b/scripts/gdb/linux/utils.py
@@ -88,7 +88,10 @@ def get_target_endianness():
 
 
 def read_memoryview(inf, start, length):
-    return memoryview(inf.read_memory(start, length))
+    m = inf.read_memory(start, length)
+    if type(m) is memoryview:
+        return m
+    return memoryview(m)
 
 
 def read_u16(buffer, offset):


Patches currently in stable-queue which might be from liupeng17@xxxxxxxxxx are

queue-5.15/scripts-gdb-fix-lx-timerlist-for-python3.patch



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