Merge tag 'm68k-for-v5.20-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k

Pull m68k updates from Geert Uytterhoeven:

 - Use RNG seed from bootinfo block on virt platform

 - defconfig updates

 - Minor fixes and improvements

* tag 'm68k-for-v5.20-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k: defconfig: Update defconfigs for v5.19-rc1
  m68k: Add common forward declaration for show_registers()
  m68k: mac: Remove forward declaration for mac_nmi_handler()
  m68k: virt: Fix missing platform_device_unregister() on error in virt_platform_init()
  m68k: virt: Use RNG seed from bootinfo block
  m68k: bitops: Change __fls to return and accept unsigned long
  m68k: Kconfig.machine: Add endif comment
  m68k: Kconfig.debug: Replace single quotes
  m68k: Kconfig.cpu: Fix indentation and add endif comments
  m68k: q40: Align '*' in comments
  m68k: sun3: Use __func__ to get function's name in an output message
  m68k: mac: Fix typos in comments
  m68k: virt: Kconfig minor fixes

26 files changed, 149 insertions, 173 deletions

diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu
index f3aa44156969b5..e0e9e31339c125 100644
--- a/arch/m68k/Kconfig.cpu
+++ b/arch/m68k/Kconfig.cpu
@@ -155,7 +155,7 @@ config M520x
 	select COLDFIRE_PIT_TIMER
 	select HAVE_CACHE_SPLIT
 	help
-	   Freescale Coldfire 5207/5208 processor support.
+	  Freescale Coldfire 5207/5208 processor support.
 
 config M523x
 	bool "MCF523x"
@@ -322,7 +322,6 @@ config COLDFIRE_SLTIMERS
 
 endif # COLDFIRE
 
-
 comment "Processor Specific Options"
 
 config M68KFPU_EMU
@@ -522,7 +521,7 @@ config CACHE_BOTH
 	  Split the ColdFire CPU cache, and use half as an instruction cache
 	  and half as a data cache.
 endchoice
-endif
+endif # HAVE_CACHE_SPLIT
 
 if HAVE_CACHE_CB
 choice
@@ -539,4 +538,4 @@ config CACHE_COPYBACK
 	help
 	  The ColdFire CPU cache is set into Copy-back mode.
 endchoice
-endif
+endif # HAVE_CACHE_CB
diff --git a/arch/m68k/Kconfig.debug b/arch/m68k/Kconfig.debug
index 11b306bdd7886a..465e28be0ce46a 100644
--- a/arch/m68k/Kconfig.debug
+++ b/arch/m68k/Kconfig.debug
@@ -1,11 +1,11 @@
 # SPDX-License-Identifier: GPL-2.0
 
 config BOOTPARAM
-	bool 'Compiled-in Kernel Boot Parameter'
+	bool "Compiled-in Kernel Boot Parameter"
 
 config BOOTPARAM_STRING
-	string 'Kernel Boot Parameter'
-	default 'console=ttyS0,19200'
+	string "Kernel Boot Parameter"
+	default "console=ttyS0,19200"
 	depends on BOOTPARAM
 
 config EARLY_PRINTK
diff --git a/arch/m68k/Kconfig.machine b/arch/m68k/Kconfig.machine
index a1042568b9ad15..53c45ccda5647b 100644
--- a/arch/m68k/Kconfig.machine
+++ b/arch/m68k/Kconfig.machine
@@ -161,10 +161,11 @@ config VIRT
 	select RTC_CLASS
 	select RTC_DRV_GOLDFISH
 	select TTY
+	select VIRTIO_MENU
 	select VIRTIO_MMIO
 	help
 	  This options enable a pure virtual machine based on m68k,
-	  VIRTIO MMIO devices and GOLDFISH interfaces (TTY, RTC, PIC)
+	  VIRTIO MMIO devices and GOLDFISH interfaces (TTY, RTC, PIC).
 
 config PILOT
 	bool
@@ -492,4 +493,4 @@ config ROMKERNEL
 
 endchoice
 
-endif
+endif # !MMU || COLDFIRE
diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig
index c181030218bf29..a6a886a89be283 100644
--- a/arch/m68k/configs/amiga_defconfig
+++ b/arch/m68k/configs/amiga_defconfig
@@ -10,8 +10,6 @@ CONFIG_LOG_BUF_SHIFT=16
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_USERFAULTFD=y
-CONFIG_SLAB=y
 CONFIG_KEXEC=y
 CONFIG_BOOTINFO_PROC=y
 CONFIG_M68020=y
@@ -43,8 +41,9 @@ CONFIG_MQ_IOSCHED_KYBER=m
 CONFIG_IOSCHED_BFQ=m
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=m
+CONFIG_SLAB=y
 # CONFIG_COMPACTION is not set
-CONFIG_ZPOOL=m
+CONFIG_USERFAULTFD=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_PACKET_DIAG=m
@@ -310,6 +309,7 @@ CONFIG_PARPORT_MFC3=m
 CONFIG_PARPORT_1284=y
 CONFIG_AMIGA_FLOPPY=y
 CONFIG_AMIGA_Z2RAM=y
+CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_DRBD=m
 CONFIG_BLK_DEV_NBD=m
@@ -580,7 +580,7 @@ CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
 CONFIG_CRYPTO_SHA3=m
-CONFIG_CRYPTO_SM3=m
+CONFIG_CRYPTO_SM3_GENERIC=m
 CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_AES=y
 CONFIG_CRYPTO_AES_TI=m
@@ -595,7 +595,7 @@ CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
 CONFIG_CRYPTO_SERPENT=m
-CONFIG_CRYPTO_SM4=m
+CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_LZO=m
@@ -648,11 +648,7 @@ CONFIG_TEST_BLACKHOLE_DEV=m
 CONFIG_FIND_BIT_BENCHMARK=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_SYSCTL=m
-CONFIG_BITFIELD_KUNIT=m
-CONFIG_RESOURCE_KUNIT_TEST=m
 CONFIG_LINEAR_RANGES_TEST=m
-CONFIG_CMDLINE_KUNIT_TEST=m
-CONFIG_BITS_TEST=m
 CONFIG_TEST_UDELAY=m
 CONFIG_TEST_STATIC_KEYS=m
 CONFIG_TEST_KMOD=m
diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig
index 40755648fb6ce7..bffd24c2755e71 100644
--- a/arch/m68k/configs/apollo_defconfig
+++ b/arch/m68k/configs/apollo_defconfig
@@ -10,8 +10,6 @@ CONFIG_LOG_BUF_SHIFT=16
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_USERFAULTFD=y
-CONFIG_SLAB=y
 CONFIG_KEXEC=y
 CONFIG_BOOTINFO_PROC=y
 CONFIG_M68020=y
@@ -39,8 +37,9 @@ CONFIG_MQ_IOSCHED_KYBER=m
 CONFIG_IOSCHED_BFQ=m
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=m
+CONFIG_SLAB=y
 # CONFIG_COMPACTION is not set
-CONFIG_ZPOOL=m
+CONFIG_USERFAULTFD=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_PACKET_DIAG=m
@@ -300,6 +299,7 @@ CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
 CONFIG_CONNECTOR=m
+CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_DRBD=m
 CONFIG_BLK_DEV_NBD=m
@@ -537,7 +537,7 @@ CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
 CONFIG_CRYPTO_SHA3=m
-CONFIG_CRYPTO_SM3=m
+CONFIG_CRYPTO_SM3_GENERIC=m
 CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_AES=y
 CONFIG_CRYPTO_AES_TI=m
@@ -552,7 +552,7 @@ CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
 CONFIG_CRYPTO_SERPENT=m
-CONFIG_CRYPTO_SM4=m
+CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_LZO=m
@@ -604,11 +604,7 @@ CONFIG_TEST_BLACKHOLE_DEV=m
 CONFIG_FIND_BIT_BENCHMARK=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_SYSCTL=m
-CONFIG_BITFIELD_KUNIT=m
-CONFIG_RESOURCE_KUNIT_TEST=m
 CONFIG_LINEAR_RANGES_TEST=m
-CONFIG_CMDLINE_KUNIT_TEST=m
-CONFIG_BITS_TEST=m
 CONFIG_TEST_UDELAY=m
 CONFIG_TEST_STATIC_KEYS=m
 CONFIG_TEST_KMOD=m
diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig
index be0d9155fc5b8a..0013425b1e08ed 100644
--- a/arch/m68k/configs/atari_defconfig
+++ b/arch/m68k/configs/atari_defconfig
@@ -10,8 +10,6 @@ CONFIG_LOG_BUF_SHIFT=16
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_USERFAULTFD=y
-CONFIG_SLAB=y
 CONFIG_KEXEC=y
 CONFIG_BOOTINFO_PROC=y
 CONFIG_M68020=y
@@ -46,8 +44,9 @@ CONFIG_MQ_IOSCHED_KYBER=m
 CONFIG_IOSCHED_BFQ=m
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=m
+CONFIG_SLAB=y
 # CONFIG_COMPACTION is not set
-CONFIG_ZPOOL=m
+CONFIG_USERFAULTFD=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_PACKET_DIAG=m
@@ -311,6 +310,7 @@ CONFIG_PARPORT=m
 CONFIG_PARPORT_ATARI=m
 CONFIG_PARPORT_1284=y
 CONFIG_ATARI_FLOPPY=y
+CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_DRBD=m
 CONFIG_BLK_DEV_NBD=m
@@ -557,7 +557,7 @@ CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
 CONFIG_CRYPTO_SHA3=m
-CONFIG_CRYPTO_SM3=m
+CONFIG_CRYPTO_SM3_GENERIC=m
 CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_AES=y
 CONFIG_CRYPTO_AES_TI=m
@@ -572,7 +572,7 @@ CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
 CONFIG_CRYPTO_SERPENT=m
-CONFIG_CRYPTO_SM4=m
+CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_LZO=m
@@ -625,11 +625,7 @@ CONFIG_TEST_BLACKHOLE_DEV=m
 CONFIG_FIND_BIT_BENCHMARK=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_SYSCTL=m
-CONFIG_BITFIELD_KUNIT=m
-CONFIG_RESOURCE_KUNIT_TEST=m
 CONFIG_LINEAR_RANGES_TEST=m
-CONFIG_CMDLINE_KUNIT_TEST=m
-CONFIG_BITS_TEST=m
 CONFIG_TEST_UDELAY=m
 CONFIG_TEST_STATIC_KEYS=m
 CONFIG_TEST_KMOD=m
diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig
index 9af0e2d0d153be..42d969697f7f03 100644
--- a/arch/m68k/configs/bvme6000_defconfig
+++ b/arch/m68k/configs/bvme6000_defconfig
@@ -10,8 +10,6 @@ CONFIG_LOG_BUF_SHIFT=16
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_USERFAULTFD=y
-CONFIG_SLAB=y
 CONFIG_KEXEC=y
 CONFIG_BOOTINFO_PROC=y
 CONFIG_M68040=y
@@ -36,8 +34,9 @@ CONFIG_MQ_IOSCHED_KYBER=m
 CONFIG_IOSCHED_BFQ=m
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=m
+CONFIG_SLAB=y
 # CONFIG_COMPACTION is not set
-CONFIG_ZPOOL=m
+CONFIG_USERFAULTFD=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_PACKET_DIAG=m
@@ -297,6 +296,7 @@ CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
 CONFIG_CONNECTOR=m
+CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_DRBD=m
 CONFIG_BLK_DEV_NBD=m
@@ -529,7 +529,7 @@ CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
 CONFIG_CRYPTO_SHA3=m
-CONFIG_CRYPTO_SM3=m
+CONFIG_CRYPTO_SM3_GENERIC=m
 CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_AES=y
 CONFIG_CRYPTO_AES_TI=m
@@ -544,7 +544,7 @@ CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
 CONFIG_CRYPTO_SERPENT=m
-CONFIG_CRYPTO_SM4=m
+CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_LZO=m
@@ -596,11 +596,7 @@ CONFIG_TEST_BLACKHOLE_DEV=m
 CONFIG_FIND_BIT_BENCHMARK=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_SYSCTL=m
-CONFIG_BITFIELD_KUNIT=m
-CONFIG_RESOURCE_KUNIT_TEST=m
 CONFIG_LINEAR_RANGES_TEST=m
-CONFIG_CMDLINE_KUNIT_TEST=m
-CONFIG_BITS_TEST=m
 CONFIG_TEST_UDELAY=m
 CONFIG_TEST_STATIC_KEYS=m
 CONFIG_TEST_KMOD=m
diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig
index 49341d66feb6a6..97d6d9acb39520 100644
--- a/arch/m68k/configs/hp300_defconfig
+++ b/arch/m68k/configs/hp300_defconfig
@@ -10,8 +10,6 @@ CONFIG_LOG_BUF_SHIFT=16
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_USERFAULTFD=y
-CONFIG_SLAB=y
 CONFIG_KEXEC=y
 CONFIG_BOOTINFO_PROC=y
 CONFIG_M68020=y
@@ -38,8 +36,9 @@ CONFIG_MQ_IOSCHED_KYBER=m
 CONFIG_IOSCHED_BFQ=m
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=m
+CONFIG_SLAB=y
 # CONFIG_COMPACTION is not set
-CONFIG_ZPOOL=m
+CONFIG_USERFAULTFD=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_PACKET_DIAG=m
@@ -299,6 +298,7 @@ CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
 CONFIG_CONNECTOR=m
+CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_DRBD=m
 CONFIG_BLK_DEV_NBD=m
@@ -539,7 +539,7 @@ CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
 CONFIG_CRYPTO_SHA3=m
-CONFIG_CRYPTO_SM3=m
+CONFIG_CRYPTO_SM3_GENERIC=m
 CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_AES=y
 CONFIG_CRYPTO_AES_TI=m
@@ -554,7 +554,7 @@ CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
 CONFIG_CRYPTO_SERPENT=m
-CONFIG_CRYPTO_SM4=m
+CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_LZO=m
@@ -606,11 +606,7 @@ CONFIG_TEST_BLACKHOLE_DEV=m
 CONFIG_FIND_BIT_BENCHMARK=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_SYSCTL=m
-CONFIG_BITFIELD_KUNIT=m
-CONFIG_RESOURCE_KUNIT_TEST=m
 CONFIG_LINEAR_RANGES_TEST=m
-CONFIG_CMDLINE_KUNIT_TEST=m
-CONFIG_BITS_TEST=m
 CONFIG_TEST_UDELAY=m
 CONFIG_TEST_STATIC_KEYS=m
 CONFIG_TEST_KMOD=m
diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig
index 92b33d5ffab190..8cbfc1c659a311 100644
--- a/arch/m68k/configs/mac_defconfig
+++ b/arch/m68k/configs/mac_defconfig
@@ -10,8 +10,6 @@ CONFIG_LOG_BUF_SHIFT=16
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_USERFAULTFD=y
-CONFIG_SLAB=y
 CONFIG_KEXEC=y
 CONFIG_BOOTINFO_PROC=y
 CONFIG_M68020=y
@@ -37,8 +35,9 @@ CONFIG_MQ_IOSCHED_KYBER=m
 CONFIG_IOSCHED_BFQ=m
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=m
+CONFIG_SLAB=y
 # CONFIG_COMPACTION is not set
-CONFIG_ZPOOL=m
+CONFIG_USERFAULTFD=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_PACKET_DIAG=m
@@ -302,6 +301,7 @@ CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
 CONFIG_CONNECTOR=m
 CONFIG_BLK_DEV_SWIM=m
+CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_DRBD=m
 CONFIG_BLK_DEV_NBD=m
@@ -559,7 +559,7 @@ CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
 CONFIG_CRYPTO_SHA3=m
-CONFIG_CRYPTO_SM3=m
+CONFIG_CRYPTO_SM3_GENERIC=m
 CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_AES=y
 CONFIG_CRYPTO_AES_TI=m
@@ -574,7 +574,7 @@ CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
 CONFIG_CRYPTO_SERPENT=m
-CONFIG_CRYPTO_SM4=m
+CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_LZO=m
@@ -627,11 +627,7 @@ CONFIG_TEST_BLACKHOLE_DEV=m
 CONFIG_FIND_BIT_BENCHMARK=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_SYSCTL=m
-CONFIG_BITFIELD_KUNIT=m
-CONFIG_RESOURCE_KUNIT_TEST=m
 CONFIG_LINEAR_RANGES_TEST=m
-CONFIG_CMDLINE_KUNIT_TEST=m
-CONFIG_BITS_TEST=m
 CONFIG_TEST_UDELAY=m
 CONFIG_TEST_STATIC_KEYS=m
 CONFIG_TEST_KMOD=m
diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig
index 6aaa947bc8491a..9f45fe60757fab 100644
--- a/arch/m68k/configs/multi_defconfig
+++ b/arch/m68k/configs/multi_defconfig
@@ -10,8 +10,6 @@ CONFIG_LOG_BUF_SHIFT=16
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_USERFAULTFD=y
-CONFIG_SLAB=y
 CONFIG_KEXEC=y
 CONFIG_BOOTINFO_PROC=y
 CONFIG_M68020=y
@@ -57,8 +55,9 @@ CONFIG_MQ_IOSCHED_KYBER=m
 CONFIG_IOSCHED_BFQ=m
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=m
+CONFIG_SLAB=y
 # CONFIG_COMPACTION is not set
-CONFIG_ZPOOL=m
+CONFIG_USERFAULTFD=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_PACKET_DIAG=m
@@ -331,6 +330,7 @@ CONFIG_AMIGA_FLOPPY=y
 CONFIG_ATARI_FLOPPY=y
 CONFIG_BLK_DEV_SWIM=m
 CONFIG_AMIGA_Z2RAM=y
+CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_DRBD=m
 CONFIG_BLK_DEV_NBD=m
@@ -645,7 +645,7 @@ CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
 CONFIG_CRYPTO_SHA3=m
-CONFIG_CRYPTO_SM3=m
+CONFIG_CRYPTO_SM3_GENERIC=m
 CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_AES=y
 CONFIG_CRYPTO_AES_TI=m
@@ -660,7 +660,7 @@ CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
 CONFIG_CRYPTO_SERPENT=m
-CONFIG_CRYPTO_SM4=m
+CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_LZO=m
@@ -713,11 +713,7 @@ CONFIG_TEST_BLACKHOLE_DEV=m
 CONFIG_FIND_BIT_BENCHMARK=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_SYSCTL=m
-CONFIG_BITFIELD_KUNIT=m
-CONFIG_RESOURCE_KUNIT_TEST=m
 CONFIG_LINEAR_RANGES_TEST=m
-CONFIG_CMDLINE_KUNIT_TEST=m
-CONFIG_BITS_TEST=m
 CONFIG_TEST_UDELAY=m
 CONFIG_TEST_STATIC_KEYS=m
 CONFIG_TEST_KMOD=m
diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig
index b62d65e5993838..4736cfacf6a280 100644
--- a/arch/m68k/configs/mvme147_defconfig
+++ b/arch/m68k/configs/mvme147_defconfig
@@ -10,8 +10,6 @@ CONFIG_LOG_BUF_SHIFT=16
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_USERFAULTFD=y
-CONFIG_SLAB=y
 CONFIG_KEXEC=y
 CONFIG_BOOTINFO_PROC=y
 CONFIG_M68030=y
@@ -35,8 +33,9 @@ CONFIG_MQ_IOSCHED_KYBER=m
 CONFIG_IOSCHED_BFQ=m
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=m
+CONFIG_SLAB=y
 # CONFIG_COMPACTION is not set
-CONFIG_ZPOOL=m
+CONFIG_USERFAULTFD=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_PACKET_DIAG=m
@@ -296,6 +295,7 @@ CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
 CONFIG_CONNECTOR=m
+CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_DRBD=m
 CONFIG_BLK_DEV_NBD=m
@@ -528,7 +528,7 @@ CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
 CONFIG_CRYPTO_SHA3=m
-CONFIG_CRYPTO_SM3=m
+CONFIG_CRYPTO_SM3_GENERIC=m
 CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_AES=y
 CONFIG_CRYPTO_AES_TI=m
@@ -543,7 +543,7 @@ CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
 CONFIG_CRYPTO_SERPENT=m
-CONFIG_CRYPTO_SM4=m
+CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_LZO=m
@@ -595,11 +595,7 @@ CONFIG_TEST_BLACKHOLE_DEV=m
 CONFIG_FIND_BIT_BENCHMARK=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_SYSCTL=m
-CONFIG_BITFIELD_KUNIT=m
-CONFIG_RESOURCE_KUNIT_TEST=m
 CONFIG_LINEAR_RANGES_TEST=m
-CONFIG_CMDLINE_KUNIT_TEST=m
-CONFIG_BITS_TEST=m
 CONFIG_TEST_UDELAY=m
 CONFIG_TEST_STATIC_KEYS=m
 CONFIG_TEST_KMOD=m
diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig
index 8ecf261487d426..638cd38aa7d273 100644
--- a/arch/m68k/configs/mvme16x_defconfig
+++ b/arch/m68k/configs/mvme16x_defconfig
@@ -10,8 +10,6 @@ CONFIG_LOG_BUF_SHIFT=16
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_USERFAULTFD=y
-CONFIG_SLAB=y
 CONFIG_KEXEC=y
 CONFIG_BOOTINFO_PROC=y
 CONFIG_M68040=y
@@ -36,8 +34,9 @@ CONFIG_MQ_IOSCHED_KYBER=m
 CONFIG_IOSCHED_BFQ=m
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=m
+CONFIG_SLAB=y
 # CONFIG_COMPACTION is not set
-CONFIG_ZPOOL=m
+CONFIG_USERFAULTFD=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_PACKET_DIAG=m
@@ -297,6 +296,7 @@ CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
 CONFIG_CONNECTOR=m
+CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_DRBD=m
 CONFIG_BLK_DEV_NBD=m
@@ -529,7 +529,7 @@ CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
 CONFIG_CRYPTO_SHA3=m
-CONFIG_CRYPTO_SM3=m
+CONFIG_CRYPTO_SM3_GENERIC=m
 CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_AES=y
 CONFIG_CRYPTO_AES_TI=m
@@ -544,7 +544,7 @@ CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
 CONFIG_CRYPTO_SERPENT=m
-CONFIG_CRYPTO_SM4=m
+CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_LZO=m
@@ -596,11 +596,7 @@ CONFIG_TEST_BLACKHOLE_DEV=m
 CONFIG_FIND_BIT_BENCHMARK=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_SYSCTL=m
-CONFIG_BITFIELD_KUNIT=m
-CONFIG_RESOURCE_KUNIT_TEST=m
 CONFIG_LINEAR_RANGES_TEST=m
-CONFIG_CMDLINE_KUNIT_TEST=m
-CONFIG_BITS_TEST=m
 CONFIG_TEST_UDELAY=m
 CONFIG_TEST_STATIC_KEYS=m
 CONFIG_TEST_KMOD=m
diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig
index 7540d908897bca..ec8b6bb70ebdca 100644
--- a/arch/m68k/configs/q40_defconfig
+++ b/arch/m68k/configs/q40_defconfig
@@ -10,8 +10,6 @@ CONFIG_LOG_BUF_SHIFT=16
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_USERFAULTFD=y
-CONFIG_SLAB=y
 CONFIG_KEXEC=y
 CONFIG_BOOTINFO_PROC=y
 CONFIG_M68040=y
@@ -37,8 +35,9 @@ CONFIG_MQ_IOSCHED_KYBER=m
 CONFIG_IOSCHED_BFQ=m
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=m
+CONFIG_SLAB=y
 # CONFIG_COMPACTION is not set
-CONFIG_ZPOOL=m
+CONFIG_USERFAULTFD=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_PACKET_DIAG=m
@@ -301,6 +300,7 @@ CONFIG_CONNECTOR=m
 CONFIG_PARPORT=m
 CONFIG_PARPORT_PC=m
 CONFIG_PARPORT_1284=y
+CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_DRBD=m
 CONFIG_BLK_DEV_NBD=m
@@ -546,7 +546,7 @@ CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
 CONFIG_CRYPTO_SHA3=m
-CONFIG_CRYPTO_SM3=m
+CONFIG_CRYPTO_SM3_GENERIC=m
 CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_AES=y
 CONFIG_CRYPTO_AES_TI=m
@@ -561,7 +561,7 @@ CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
 CONFIG_CRYPTO_SERPENT=m
-CONFIG_CRYPTO_SM4=m
+CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_LZO=m
@@ -614,11 +614,7 @@ CONFIG_TEST_BLACKHOLE_DEV=m
 CONFIG_FIND_BIT_BENCHMARK=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_SYSCTL=m
-CONFIG_BITFIELD_KUNIT=m
-CONFIG_RESOURCE_KUNIT_TEST=m
 CONFIG_LINEAR_RANGES_TEST=m
-CONFIG_CMDLINE_KUNIT_TEST=m
-CONFIG_BITS_TEST=m
 CONFIG_TEST_UDELAY=m
 CONFIG_TEST_STATIC_KEYS=m
 CONFIG_TEST_KMOD=m
diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig
index 832b45944617c6..7d8dc578d59c6f 100644
--- a/arch/m68k/configs/sun3_defconfig
+++ b/arch/m68k/configs/sun3_defconfig
@@ -10,8 +10,6 @@ CONFIG_LOG_BUF_SHIFT=16
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_USERFAULTFD=y
-CONFIG_SLAB=y
 CONFIG_KEXEC=y
 CONFIG_BOOTINFO_PROC=y
 CONFIG_SUN3=y
@@ -33,8 +31,9 @@ CONFIG_MQ_IOSCHED_KYBER=m
 CONFIG_IOSCHED_BFQ=m
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=m
+CONFIG_SLAB=y
 # CONFIG_COMPACTION is not set
-CONFIG_ZPOOL=m
+CONFIG_USERFAULTFD=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_PACKET_DIAG=m
@@ -294,6 +293,7 @@ CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
 CONFIG_CONNECTOR=m
+CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_DRBD=m
 CONFIG_BLK_DEV_NBD=m
@@ -528,7 +528,7 @@ CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
 CONFIG_CRYPTO_SHA3=m
-CONFIG_CRYPTO_SM3=m
+CONFIG_CRYPTO_SM3_GENERIC=m
 CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_AES=y
 CONFIG_CRYPTO_AES_TI=m
@@ -543,7 +543,7 @@ CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
 CONFIG_CRYPTO_SERPENT=m
-CONFIG_CRYPTO_SM4=m
+CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_LZO=m
@@ -594,11 +594,7 @@ CONFIG_TEST_BLACKHOLE_DEV=m
 CONFIG_FIND_BIT_BENCHMARK=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_SYSCTL=m
-CONFIG_BITFIELD_KUNIT=m
-CONFIG_RESOURCE_KUNIT_TEST=m
 CONFIG_LINEAR_RANGES_TEST=m
-CONFIG_CMDLINE_KUNIT_TEST=m
-CONFIG_BITS_TEST=m
 CONFIG_TEST_UDELAY=m
 CONFIG_TEST_STATIC_KEYS=m
 CONFIG_TEST_KMOD=m
diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig
index 9171b687e565e2..96290aee530211 100644
--- a/arch/m68k/configs/sun3x_defconfig
+++ b/arch/m68k/configs/sun3x_defconfig
@@ -10,8 +10,6 @@ CONFIG_LOG_BUF_SHIFT=16
 # CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_USERFAULTFD=y
-CONFIG_SLAB=y
 CONFIG_KEXEC=y
 CONFIG_BOOTINFO_PROC=y
 CONFIG_SUN3X=y
@@ -33,8 +31,9 @@ CONFIG_MQ_IOSCHED_KYBER=m
 CONFIG_IOSCHED_BFQ=m
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=m
+CONFIG_SLAB=y
 # CONFIG_COMPACTION is not set
-CONFIG_ZPOOL=m
+CONFIG_USERFAULTFD=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_PACKET_DIAG=m
@@ -294,6 +293,7 @@ CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_TEST_ASYNC_DRIVER_PROBE=m
 CONFIG_CONNECTOR=m
+CONFIG_ZRAM=m
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_DRBD=m
 CONFIG_BLK_DEV_NBD=m
@@ -527,7 +527,7 @@ CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
 CONFIG_CRYPTO_SHA3=m
-CONFIG_CRYPTO_SM3=m
+CONFIG_CRYPTO_SM3_GENERIC=m
 CONFIG_CRYPTO_WP512=m
 CONFIG_CRYPTO_AES=y
 CONFIG_CRYPTO_AES_TI=m
@@ -542,7 +542,7 @@ CONFIG_CRYPTO_FCRYPT=m
 CONFIG_CRYPTO_KHAZAD=m
 CONFIG_CRYPTO_SEED=m
 CONFIG_CRYPTO_SERPENT=m
-CONFIG_CRYPTO_SM4=m
+CONFIG_CRYPTO_SM4_GENERIC=m
 CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_LZO=m
@@ -594,11 +594,7 @@ CONFIG_TEST_BLACKHOLE_DEV=m
 CONFIG_FIND_BIT_BENCHMARK=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_SYSCTL=m
-CONFIG_BITFIELD_KUNIT=m
-CONFIG_RESOURCE_KUNIT_TEST=m
 CONFIG_LINEAR_RANGES_TEST=m
-CONFIG_CMDLINE_KUNIT_TEST=m
-CONFIG_BITS_TEST=m
 CONFIG_TEST_UDELAY=m
 CONFIG_TEST_STATIC_KEYS=m
 CONFIG_TEST_KMOD=m
diff --git a/arch/m68k/include/asm/bitops.h b/arch/m68k/include/asm/bitops.h
index 51283db53667f4..87c2cd66a9ce4b 100644
--- a/arch/m68k/include/asm/bitops.h
+++ b/arch/m68k/include/asm/bitops.h
@@ -510,7 +510,7 @@ static inline int fls(unsigned int x)
 	return 32 - cnt;
 }
 
-static inline int __fls(int x)
+static inline unsigned long __fls(unsigned long x)
 {
 	return fls(x) - 1;
 }
diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h
index ffeda9aa526a54..d86b4009880b4e 100644
--- a/arch/m68k/include/asm/processor.h
+++ b/arch/m68k/include/asm/processor.h
@@ -151,6 +151,7 @@ static inline void release_thread(struct task_struct *dead_task)
 }
 
 unsigned long __get_wchan(struct task_struct *p);
+void show_registers(struct pt_regs *regs);
 
 #define	KSTK_EIP(tsk)	\
     ({			\
diff --git a/arch/m68k/include/uapi/asm/bootinfo-virt.h b/arch/m68k/include/uapi/asm/bootinfo-virt.h
index e4db7e2213abc7..b091ee9b06e05b 100644
--- a/arch/m68k/include/uapi/asm/bootinfo-virt.h
+++ b/arch/m68k/include/uapi/asm/bootinfo-virt.h
@@ -13,6 +13,14 @@
 #define BI_VIRT_VIRTIO_BASE	0x8004
 #define BI_VIRT_CTRL_BASE	0x8005
 
+/*
+ * A random seed used to initialize the RNG. Record format:
+ *
+ *   - length       [ 2 bytes, 16-bit big endian ]
+ *   - seed data    [ `length` bytes, padded to preserve 2-byte alignment ]
+ */
+#define BI_VIRT_RNG_SEED	0x8006
+
 #define VIRT_BOOTI_VERSION	MK_BI_VERSION(2, 0)
 
 #endif /* _UAPI_ASM_M68K_BOOTINFO_MAC_H */
diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c
index 59fc63feb0dcce..5c8cba0efc63e5 100644
--- a/arch/m68k/kernel/traps.c
+++ b/arch/m68k/kernel/traps.c
@@ -36,6 +36,7 @@
 #include <linux/uaccess.h>
 #include <asm/traps.h>
 #include <asm/machdep.h>
+#include <asm/processor.h>
 #include <asm/siginfo.h>
 #include <asm/tlbflush.h>
 
diff --git a/arch/m68k/mac/iop.c b/arch/m68k/mac/iop.c
index de156a027f5b9d..010b3b5ae8e858 100644
--- a/arch/m68k/mac/iop.c
+++ b/arch/m68k/mac/iop.c
@@ -25,7 +25,7 @@
  *		  check this.)
  * 990605 (jmt) - Rearranged things a bit wrt IOP detection; iop_present is
  *		  gone, IOP base addresses are now in an array and the
- *		  globally-visible functions take an IOP number instead of an
+ *		  globally-visible functions take an IOP number instead of
  *		  an actual base address.
  * 990610 (jmt) - Finished the message passing framework and it seems to work.
  *		  Sending _definitely_ works; my adb-bus.c mods can send
@@ -66,7 +66,7 @@
  * a shared memory area in the IOP RAM. Each IOP has seven "channels"; each
  * channel is connected to a specific software driver on the IOP. For example
  * on the SCC IOP there is one channel for each serial port. Each channel has
- * an incoming and and outgoing message queue with a depth of one.
+ * an incoming and an outgoing message queue with a depth of one.
  *
  * A message is 32 bytes plus a state byte for the channel (MSG_IDLE, MSG_NEW,
  * MSG_RCVD, MSG_COMPLETE). To send a message you copy the message into the
diff --git a/arch/m68k/mac/macints.c b/arch/m68k/mac/macints.c
index e3575388cd05a8..5cbaf6e9497c69 100644
--- a/arch/m68k/mac/macints.c
+++ b/arch/m68k/mac/macints.c
@@ -126,10 +126,7 @@
 #include <asm/mac_baboon.h>
 #include <asm/hwtest.h>
 #include <asm/irq_regs.h>
-
-extern void show_registers(struct pt_regs *);
-
-irqreturn_t mac_nmi_handler(int, void *);
+#include <asm/processor.h>
 
 static unsigned int mac_irq_startup(struct irq_data *);
 static void mac_irq_shutdown(struct irq_data *);
@@ -142,6 +139,21 @@ static struct irq_chip mac_irq_chip = {
 	.irq_shutdown	= mac_irq_shutdown,
 };
 
+static irqreturn_t mac_nmi_handler(int irq, void *dev_id)
+{
+	static volatile int in_nmi;
+
+	if (in_nmi)
+		return IRQ_HANDLED;
+	in_nmi = 1;
+
+	pr_info("Non-Maskable Interrupt\n");
+	show_registers(get_irq_regs());
+
+	in_nmi = 0;
+	return IRQ_HANDLED;
+}
+
 void __init mac_init_IRQ(void)
 {
 	m68k_setup_irq_controller(&mac_irq_chip, handle_simple_irq, IRQ_USER,
@@ -254,18 +266,3 @@ static void mac_irq_shutdown(struct irq_data *data)
 	else
 		mac_irq_disable(data);
 }
-
-static volatile int in_nmi;
-
-irqreturn_t mac_nmi_handler(int irq, void *dev_id)
-{
-	if (in_nmi)
-		return IRQ_HANDLED;
-	in_nmi = 1;
-
-	pr_info("Non-Maskable Interrupt\n");
-	show_registers(get_irq_regs());
-
-	in_nmi = 0;
-	return IRQ_HANDLED;
-}
diff --git a/arch/m68k/q40/q40ints.c b/arch/m68k/q40/q40ints.c
index 6886a5d0007b1e..d15057d34e56da 100644
--- a/arch/m68k/q40/q40ints.c
+++ b/arch/m68k/q40/q40ints.c
@@ -32,7 +32,7 @@
  *            33   : frame int (50/200 Hz periodic timer)
  *            34   : sample int (10/20 KHz periodic timer)
  *
-*/
+ */
 
 static void q40_irq_handler(unsigned int, struct pt_regs *fp);
 static void q40_irq_enable(struct irq_data *data);
diff --git a/arch/m68k/sun3/mmu_emu.c b/arch/m68k/sun3/mmu_emu.c
index 7ec20817c0c9ea..7321b3b76283c7 100644
--- a/arch/m68k/sun3/mmu_emu.c
+++ b/arch/m68k/sun3/mmu_emu.c
@@ -211,7 +211,7 @@ void clear_context(unsigned long context)
 
      if(context) {
 	     if(!ctx_alloc[context])
-		     panic("clear_context: context not allocated\n");
+		     panic("%s: context not allocated\n", __func__);
 
 	     ctx_alloc[context]->context = SUN3_INVALID_CONTEXT;
 	     ctx_alloc[context] = (struct mm_struct *)0;
@@ -261,7 +261,7 @@ unsigned long get_free_context(struct mm_struct *mm)
 		}
 		// check to make sure one was really free...
 		if(new == CONTEXTS_NUM)
-			panic("get_free_context: failed to find free context");
+			panic("%s: failed to find free context", __func__);
 	}
 
 	ctx_alloc[new] = mm;
@@ -369,16 +369,15 @@ int mmu_emu_handle_fault (unsigned long vaddr, int read_flag, int kernel_fault)
 	}
 
 #ifdef DEBUG_MMU_EMU
-	pr_info("mmu_emu_handle_fault: vaddr=%lx type=%s crp=%p\n",
-		vaddr, read_flag ? "read" : "write", crp);
+	pr_info("%s: vaddr=%lx type=%s crp=%p\n", __func__, vaddr,
+		read_flag ? "read" : "write", crp);
 #endif
 
 	segment = (vaddr >> SUN3_PMEG_SIZE_BITS) & 0x7FF;
 	offset  = (vaddr >> SUN3_PTE_SIZE_BITS) & 0xF;
 
 #ifdef DEBUG_MMU_EMU
-	pr_info("mmu_emu_handle_fault: segment=%lx offset=%lx\n", segment,
-		offset);
+	pr_info("%s: segment=%lx offset=%lx\n", __func__, segment, offset);
 #endif
 
 	pte = (pte_t *) pgd_val (*(crp + segment));
diff --git a/arch/m68k/virt/config.c b/arch/m68k/virt/config.c
index 632ba200ad4252..4ab22946ff68fe 100644
--- a/arch/m68k/virt/config.c
+++ b/arch/m68k/virt/config.c
@@ -2,6 +2,7 @@
 
 #include <linux/reboot.h>
 #include <linux/serial_core.h>
+#include <linux/random.h>
 #include <clocksource/timer-goldfish.h>
 
 #include <asm/bootinfo.h>
@@ -92,6 +93,16 @@ int __init virt_parse_bootinfo(const struct bi_record *record)
 		data += 4;
 		virt_bi_data.virtio.irq = be32_to_cpup(data);
 		break;
+	case BI_VIRT_RNG_SEED: {
+		u16 len = be16_to_cpup(data);
+		add_bootloader_randomness(data + 2, len);
+		/*
+		 * Zero the data to preserve forward secrecy, and zero the
+		 * length to prevent kexec from using it.
+		 */
+		memzero_explicit((void *)data, len + 2);
+		break;
+	}
 	default:
 		unknown = 1;
 		break;
diff --git a/arch/m68k/virt/ints.c b/arch/m68k/virt/ints.c
index 95818f901ebe32..896aa6eb8bcc6f 100644
--- a/arch/m68k/virt/ints.c
+++ b/arch/m68k/virt/ints.c
@@ -12,6 +12,7 @@
 #include <asm/hwtest.h>
 #include <asm/irq.h>
 #include <asm/irq_regs.h>
+#include <asm/processor.h>
 #include <asm/virt.h>
 
 #define GFPIC_REG_IRQ_PENDING           0x04
@@ -19,8 +20,6 @@
 #define GFPIC_REG_IRQ_DISABLE           0x0c
 #define GFPIC_REG_IRQ_ENABLE            0x10
 
-extern void show_registers(struct pt_regs *regs);
-
 static struct resource picres[6];
 static const char *picname[6] = {
 	"goldfish_pic.0",
diff --git a/arch/m68k/virt/platform.c b/arch/m68k/virt/platform.c
index cb820f19a22190..1560c4140ab91d 100644
--- a/arch/m68k/virt/platform.c
+++ b/arch/m68k/virt/platform.c
@@ -8,20 +8,15 @@
 
 #define VIRTIO_BUS_NB	128
 
-static int __init virt_virtio_init(unsigned int id)
+static struct platform_device * __init virt_virtio_init(unsigned int id)
 {
 	const struct resource res[] = {
 		DEFINE_RES_MEM(virt_bi_data.virtio.mmio + id * 0x200, 0x200),
 		DEFINE_RES_IRQ(virt_bi_data.virtio.irq + id),
 	};
-	struct platform_device *pdev;
 
-	pdev = platform_device_register_simple("virtio-mmio", id,
+	return platform_device_register_simple("virtio-mmio", id,
 					       res, ARRAY_SIZE(res));
-	if (IS_ERR(pdev))
-		return PTR_ERR(pdev);
-
-	return 0;
 }
 
 static int __init virt_platform_init(void)
@@ -35,8 +30,10 @@ static int __init virt_platform_init(void)
 		DEFINE_RES_MEM(virt_bi_data.rtc.mmio + 0x1000, 0x1000),
 		DEFINE_RES_IRQ(virt_bi_data.rtc.irq + 1),
 	};
-	struct platform_device *pdev;
+	struct platform_device *pdev1, *pdev2;
+	struct platform_device *pdevs[VIRTIO_BUS_NB];
 	unsigned int i;
+	int ret = 0;
 
 	if (!MACH_IS_VIRT)
 		return -ENODEV;
@@ -44,29 +41,40 @@ static int __init virt_platform_init(void)
 	/* We need this to have DMA'able memory provided to goldfish-tty */
 	min_low_pfn = 0;
 
-	pdev = platform_device_register_simple("goldfish_tty",
-					       PLATFORM_DEVID_NONE,
-					       goldfish_tty_res,
-					       ARRAY_SIZE(goldfish_tty_res));
-	if (IS_ERR(pdev))
-		return PTR_ERR(pdev);
+	pdev1 = platform_device_register_simple("goldfish_tty",
+						PLATFORM_DEVID_NONE,
+						goldfish_tty_res,
+						ARRAY_SIZE(goldfish_tty_res));
+	if (IS_ERR(pdev1))
+		return PTR_ERR(pdev1);
 
-	pdev = platform_device_register_simple("goldfish_rtc",
-					       PLATFORM_DEVID_NONE,
-					       goldfish_rtc_res,
-					       ARRAY_SIZE(goldfish_rtc_res));
-	if (IS_ERR(pdev))
-		return PTR_ERR(pdev);
+	pdev2 = platform_device_register_simple("goldfish_rtc",
+						PLATFORM_DEVID_NONE,
+						goldfish_rtc_res,
+						ARRAY_SIZE(goldfish_rtc_res));
+	if (IS_ERR(pdev2)) {
+		ret = PTR_ERR(pdev2);
+		goto err_unregister_tty;
+	}
 
 	for (i = 0; i < VIRTIO_BUS_NB; i++) {
-		int err;
-
-		err = virt_virtio_init(i);
-		if (err)
-			return err;
+		pdevs[i] = virt_virtio_init(i);
+		if (IS_ERR(pdevs[i])) {
+			ret = PTR_ERR(pdevs[i]);
+			goto err_unregister_rtc_virtio;
+		}
 	}
 
 	return 0;
+
+err_unregister_rtc_virtio:
+	while (i > 0)
+		platform_device_unregister(pdevs[--i]);
+	platform_device_unregister(pdev2);
+err_unregister_tty:
+	platform_device_unregister(pdev1);
+
+	return ret;
 }
 
 arch_initcall(virt_platform_init);