release 6.12.4 (preliminary)

debian/patches/mixed-arch/0002-ZEN-Restore-CONFIG_OPTIMIZE_FOR_PERFORMANCE_O3.patch

@@ -0,0 +1,40 @@
+From 1fc1195e784540ad1966b57267fc927a87c5d21d Mon Sep 17 00:00:00 2001
+From: "Jan Alexander Steffens (heftig)" <heftig@archlinux.org>
+Date: Sun, 11 Dec 2022 23:51:16 +0100
+Subject: ZEN: Restore CONFIG_OPTIMIZE_FOR_PERFORMANCE_O3
+
+This reverts a6036a41bffba3d5007e377483b425d470ad8042 (kbuild: drop
+support for CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3), removes the
+dependency on CONFIG_ARC and adds RUSTFLAGS.
+---
+ Makefile     | 3 +++
+ init/Kconfig | 6 ++++++
+ 2 files changed, 9 insertions(+)
+
+--- a/Makefile
++++ b/Makefile
+@@ -812,6 +812,9 @@ KBUILD_CFLAGS	+= -fno-delete-null-pointe
+ ifdef CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE
+ KBUILD_CFLAGS += -O2
+ KBUILD_RUSTFLAGS += -Copt-level=2
++else ifdef CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3
++KBUILD_CFLAGS += -O3
++KBUILD_RUSTFLAGS += -Copt-level=3
+ else ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
+ KBUILD_CFLAGS += -Os
+ KBUILD_RUSTFLAGS += -Copt-level=s
+--- a/init/Kconfig
++++ b/init/Kconfig
+@@ -1451,6 +1451,12 @@ config CC_OPTIMIZE_FOR_PERFORMANCE
+ 	  with the "-O2" compiler flag for best performance and most
+ 	  helpful compile-time warnings.
+ 
++config CC_OPTIMIZE_FOR_PERFORMANCE_O3
++	bool "Optimize more for performance (-O3)"
++	help
++	  Choosing this option will pass "-O3" to your compiler to optimize
++	  the kernel yet more for performance.
++
+ config CC_OPTIMIZE_FOR_SIZE
+ 	bool "Optimize for size (-Os)"
+ 	help