UBUNTU: Ubuntu-6.2.0-21.21

Signed-off-by: Andrea Righi <andrea.righi@canonical.com>

debian.master/changelog

@@ -1,10 +1,25 @@
-linux (6.2.0-21.21) UNRELEASED; urgency=medium
+linux (6.2.0-21.21) lunar; urgency=medium
 
-  CHANGELOG: Do not edit directly. Autogenerated at release.
-  CHANGELOG: Use the printchanges target to see the curent changes.
-  CHANGELOG: Use the insertchanges target to create the final log.
+  * lunar/linux: 6.2.0-21.21 -proposed tracker (LP: #2016249)
 
- -- Andrea Righi <andrea.righi@canonical.com>  Fri, 14 Apr 2023 11:51:17 +0200
+  * efivarfs:efivarfs.sh in ubuntu_kernel_selftests crash L-6.2 ARM64 node
+    dazzle (rcu_preempt detected stalls) (LP: #2015741)
+    - efi/libstub: smbios: Use length member instead of record struct size
+    - arm64: efi: Use SMBIOS processor version to key off Ampere quirk
+    - efi/libstub: smbios: Drop unused 'recsize' parameter
+
+  * Miscellaneous Ubuntu changes
+    - SAUCE: selftests/bpf: ignore pointer types check with clang
+    - SAUCE: selftests/bpf: avoid conflicting data types in profiler.inc.h
+    - [Packaging] get rid of unnecessary artifacts in linux-headers
+
+  * Miscellaneous upstream changes
+    - Revert "UBUNTU: SAUCE: Revert "efi: random: refresh non-volatile random seed
+      when RNG is initialized""
+    - Revert "UBUNTU: SAUCE: Revert "efi: random: fix NULL-deref when refreshing
+      seed""
+
+ -- Andrea Righi <andrea.righi@canonical.com>  Fri, 14 Apr 2023 12:11:49 +0200
 
 linux (6.2.0-20.20) lunar; urgency=medium