m68k updates for v5.6

- Wire up clone3() syscall,
   - Defconfig updates.
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Merge tag 'm68k-for-v5.6-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k

Pull m68k updates from Geert Uytterhoeven:

 - wire up clone3() syscall

 - defconfig updates

* tag 'm68k-for-v5.6-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
  m68k: Implement copy_thread_tls()
  m68k: defconfig: Update defconfigs for v5.5-rc3
  m68k: Wire up clone3() syscall

arch/m68k/Kconfig

@@ -14,6 +14,7 @@ config M68K
 	select HAVE_AOUT if MMU
 	select HAVE_ASM_MODVERSIONS
 	select HAVE_DEBUG_BUGVERBOSE
+	select HAVE_COPY_THREAD_TLS
 	select GENERIC_IRQ_SHOW
 	select GENERIC_ATOMIC64
 	select HAVE_UID16

arch/m68k/configs/amiga_defconfig

@@ -562,6 +562,7 @@ CONFIG_CRYPTO_RSA=m
 CONFIG_CRYPTO_DH=m
 CONFIG_CRYPTO_ECDH=m
 CONFIG_CRYPTO_ECRDSA=m
+CONFIG_CRYPTO_CURVE25519=m
 CONFIG_CRYPTO_CHACHA20POLY1305=m
 CONFIG_CRYPTO_AEGIS128=m
 CONFIG_CRYPTO_CFB=m
@@ -574,7 +575,7 @@ CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_XXHASH=m
+CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD128=m
 CONFIG_CRYPTO_RMD160=m
@@ -612,6 +613,9 @@ CONFIG_CRYPTO_USER_API_HASH=m
 CONFIG_CRYPTO_USER_API_SKCIPHER=m
 CONFIG_CRYPTO_USER_API_RNG=m
 CONFIG_CRYPTO_USER_API_AEAD=m
+CONFIG_CRYPTO_LIB_BLAKE2S=m
+CONFIG_CRYPTO_LIB_CURVE25519=m
+CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC32_SELFTEST=m
 CONFIG_CRC64=m
@@ -620,6 +624,7 @@ CONFIG_STRING_SELFTEST=m
 # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_WW_MUTEX_SELFTEST=m
+CONFIG_EARLY_PRINTK=y
 CONFIG_TEST_LIST_SORT=m
 CONFIG_TEST_SORT=m
 CONFIG_REED_SOLOMON_TEST=m
@@ -651,4 +656,3 @@ CONFIG_TEST_KMOD=m
 CONFIG_TEST_MEMCAT_P=m
 CONFIG_TEST_STACKINIT=m
 CONFIG_TEST_MEMINIT=m
-CONFIG_EARLY_PRINTK=y

arch/m68k/configs/apollo_defconfig

@@ -518,6 +518,7 @@ CONFIG_CRYPTO_RSA=m
 CONFIG_CRYPTO_DH=m
 CONFIG_CRYPTO_ECDH=m
 CONFIG_CRYPTO_ECRDSA=m
+CONFIG_CRYPTO_CURVE25519=m
 CONFIG_CRYPTO_CHACHA20POLY1305=m
 CONFIG_CRYPTO_AEGIS128=m
 CONFIG_CRYPTO_CFB=m
@@ -530,7 +531,7 @@ CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_XXHASH=m
+CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD128=m
 CONFIG_CRYPTO_RMD160=m
@@ -568,6 +569,9 @@ CONFIG_CRYPTO_USER_API_HASH=m
 CONFIG_CRYPTO_USER_API_SKCIPHER=m
 CONFIG_CRYPTO_USER_API_RNG=m
 CONFIG_CRYPTO_USER_API_AEAD=m
+CONFIG_CRYPTO_LIB_BLAKE2S=m
+CONFIG_CRYPTO_LIB_CURVE25519=m
+CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC32_SELFTEST=m
 CONFIG_CRC64=m
@@ -576,6 +580,7 @@ CONFIG_STRING_SELFTEST=m
 # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_WW_MUTEX_SELFTEST=m
+CONFIG_EARLY_PRINTK=y
 CONFIG_TEST_LIST_SORT=m
 CONFIG_TEST_SORT=m
 CONFIG_REED_SOLOMON_TEST=m
@@ -607,4 +612,3 @@ CONFIG_TEST_KMOD=m
 CONFIG_TEST_MEMCAT_P=m
 CONFIG_TEST_STACKINIT=m
 CONFIG_TEST_MEMINIT=m
-CONFIG_EARLY_PRINTK=y

arch/m68k/configs/atari_defconfig

@@ -540,6 +540,7 @@ CONFIG_CRYPTO_RSA=m
 CONFIG_CRYPTO_DH=m
 CONFIG_CRYPTO_ECDH=m
 CONFIG_CRYPTO_ECRDSA=m
+CONFIG_CRYPTO_CURVE25519=m
 CONFIG_CRYPTO_CHACHA20POLY1305=m
 CONFIG_CRYPTO_AEGIS128=m
 CONFIG_CRYPTO_CFB=m
@@ -552,7 +553,7 @@ CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_XXHASH=m
+CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD128=m
 CONFIG_CRYPTO_RMD160=m
@@ -590,6 +591,9 @@ CONFIG_CRYPTO_USER_API_HASH=m
 CONFIG_CRYPTO_USER_API_SKCIPHER=m
 CONFIG_CRYPTO_USER_API_RNG=m
 CONFIG_CRYPTO_USER_API_AEAD=m
+CONFIG_CRYPTO_LIB_BLAKE2S=m
+CONFIG_CRYPTO_LIB_CURVE25519=m
+CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC32_SELFTEST=m
 CONFIG_CRC64=m
@@ -598,6 +602,7 @@ CONFIG_STRING_SELFTEST=m
 # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_WW_MUTEX_SELFTEST=m
+CONFIG_EARLY_PRINTK=y
 CONFIG_TEST_LIST_SORT=m
 CONFIG_TEST_SORT=m
 CONFIG_REED_SOLOMON_TEST=m
@@ -629,4 +634,3 @@ CONFIG_TEST_KMOD=m
 CONFIG_TEST_MEMCAT_P=m
 CONFIG_TEST_STACKINIT=m
 CONFIG_TEST_MEMINIT=m
-CONFIG_EARLY_PRINTK=y

arch/m68k/configs/bvme6000_defconfig

@@ -511,6 +511,7 @@ CONFIG_CRYPTO_RSA=m
 CONFIG_CRYPTO_DH=m
 CONFIG_CRYPTO_ECDH=m
 CONFIG_CRYPTO_ECRDSA=m
+CONFIG_CRYPTO_CURVE25519=m
 CONFIG_CRYPTO_CHACHA20POLY1305=m
 CONFIG_CRYPTO_AEGIS128=m
 CONFIG_CRYPTO_CFB=m
@@ -523,7 +524,7 @@ CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_XXHASH=m
+CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD128=m
 CONFIG_CRYPTO_RMD160=m
@@ -561,6 +562,9 @@ CONFIG_CRYPTO_USER_API_HASH=m
 CONFIG_CRYPTO_USER_API_SKCIPHER=m
 CONFIG_CRYPTO_USER_API_RNG=m
 CONFIG_CRYPTO_USER_API_AEAD=m
+CONFIG_CRYPTO_LIB_BLAKE2S=m
+CONFIG_CRYPTO_LIB_CURVE25519=m
+CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC32_SELFTEST=m
 CONFIG_CRC64=m
@@ -569,6 +573,7 @@ CONFIG_STRING_SELFTEST=m
 # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_WW_MUTEX_SELFTEST=m
+CONFIG_EARLY_PRINTK=y
 CONFIG_TEST_LIST_SORT=m
 CONFIG_TEST_SORT=m
 CONFIG_REED_SOLOMON_TEST=m
@@ -600,4 +605,3 @@ CONFIG_TEST_KMOD=m
 CONFIG_TEST_MEMCAT_P=m
 CONFIG_TEST_STACKINIT=m
 CONFIG_TEST_MEMINIT=m
-CONFIG_EARLY_PRINTK=y

arch/m68k/configs/hp300_defconfig

@@ -520,6 +520,7 @@ CONFIG_CRYPTO_RSA=m
 CONFIG_CRYPTO_DH=m
 CONFIG_CRYPTO_ECDH=m
 CONFIG_CRYPTO_ECRDSA=m
+CONFIG_CRYPTO_CURVE25519=m
 CONFIG_CRYPTO_CHACHA20POLY1305=m
 CONFIG_CRYPTO_AEGIS128=m
 CONFIG_CRYPTO_CFB=m
@@ -532,7 +533,7 @@ CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_XXHASH=m
+CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD128=m
 CONFIG_CRYPTO_RMD160=m
@@ -570,6 +571,9 @@ CONFIG_CRYPTO_USER_API_HASH=m
 CONFIG_CRYPTO_USER_API_SKCIPHER=m
 CONFIG_CRYPTO_USER_API_RNG=m
 CONFIG_CRYPTO_USER_API_AEAD=m
+CONFIG_CRYPTO_LIB_BLAKE2S=m
+CONFIG_CRYPTO_LIB_CURVE25519=m
+CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC32_SELFTEST=m
 CONFIG_CRC64=m
@@ -578,6 +582,7 @@ CONFIG_STRING_SELFTEST=m
 # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_WW_MUTEX_SELFTEST=m
+CONFIG_EARLY_PRINTK=y
 CONFIG_TEST_LIST_SORT=m
 CONFIG_TEST_SORT=m
 CONFIG_REED_SOLOMON_TEST=m
@@ -609,4 +614,3 @@ CONFIG_TEST_KMOD=m
 CONFIG_TEST_MEMCAT_P=m
 CONFIG_TEST_STACKINIT=m
 CONFIG_TEST_MEMINIT=m
-CONFIG_EARLY_PRINTK=y

arch/m68k/configs/mac_defconfig

@@ -542,6 +542,7 @@ CONFIG_CRYPTO_RSA=m
 CONFIG_CRYPTO_DH=m
 CONFIG_CRYPTO_ECDH=m
 CONFIG_CRYPTO_ECRDSA=m
+CONFIG_CRYPTO_CURVE25519=m
 CONFIG_CRYPTO_CHACHA20POLY1305=m
 CONFIG_CRYPTO_AEGIS128=m
 CONFIG_CRYPTO_CFB=m
@@ -554,7 +555,7 @@ CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_XXHASH=m
+CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD128=m
 CONFIG_CRYPTO_RMD160=m
@@ -592,6 +593,9 @@ CONFIG_CRYPTO_USER_API_HASH=m
 CONFIG_CRYPTO_USER_API_SKCIPHER=m
 CONFIG_CRYPTO_USER_API_RNG=m
 CONFIG_CRYPTO_USER_API_AEAD=m
+CONFIG_CRYPTO_LIB_BLAKE2S=m
+CONFIG_CRYPTO_LIB_CURVE25519=m
+CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC32_SELFTEST=m
 CONFIG_CRC64=m
@@ -600,6 +604,7 @@ CONFIG_STRING_SELFTEST=m
 # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_WW_MUTEX_SELFTEST=m
+CONFIG_EARLY_PRINTK=y
 CONFIG_TEST_LIST_SORT=m
 CONFIG_TEST_SORT=m
 CONFIG_REED_SOLOMON_TEST=m
@@ -631,4 +636,3 @@ CONFIG_TEST_KMOD=m
 CONFIG_TEST_MEMCAT_P=m
 CONFIG_TEST_STACKINIT=m
 CONFIG_TEST_MEMINIT=m
-CONFIG_EARLY_PRINTK=y

arch/m68k/configs/multi_defconfig

@@ -628,6 +628,7 @@ CONFIG_CRYPTO_RSA=m
 CONFIG_CRYPTO_DH=m
 CONFIG_CRYPTO_ECDH=m
 CONFIG_CRYPTO_ECRDSA=m
+CONFIG_CRYPTO_CURVE25519=m
 CONFIG_CRYPTO_CHACHA20POLY1305=m
 CONFIG_CRYPTO_AEGIS128=m
 CONFIG_CRYPTO_CFB=m
@@ -640,7 +641,7 @@ CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_XXHASH=m
+CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD128=m
 CONFIG_CRYPTO_RMD160=m
@@ -678,6 +679,9 @@ CONFIG_CRYPTO_USER_API_HASH=m
 CONFIG_CRYPTO_USER_API_SKCIPHER=m
 CONFIG_CRYPTO_USER_API_RNG=m
 CONFIG_CRYPTO_USER_API_AEAD=m
+CONFIG_CRYPTO_LIB_BLAKE2S=m
+CONFIG_CRYPTO_LIB_CURVE25519=m
+CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC32_SELFTEST=m
 CONFIG_CRC64=m
@@ -686,6 +690,7 @@ CONFIG_STRING_SELFTEST=m
 # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_WW_MUTEX_SELFTEST=m
+CONFIG_EARLY_PRINTK=y
 CONFIG_TEST_LIST_SORT=m
 CONFIG_TEST_SORT=m
 CONFIG_REED_SOLOMON_TEST=m
@@ -717,4 +722,3 @@ CONFIG_TEST_KMOD=m
 CONFIG_TEST_MEMCAT_P=m
 CONFIG_TEST_STACKINIT=m
 CONFIG_TEST_MEMINIT=m
-CONFIG_EARLY_PRINTK=y

arch/m68k/configs/mvme147_defconfig

@@ -510,6 +510,7 @@ CONFIG_CRYPTO_RSA=m
 CONFIG_CRYPTO_DH=m
 CONFIG_CRYPTO_ECDH=m
 CONFIG_CRYPTO_ECRDSA=m
+CONFIG_CRYPTO_CURVE25519=m
 CONFIG_CRYPTO_CHACHA20POLY1305=m
 CONFIG_CRYPTO_AEGIS128=m
 CONFIG_CRYPTO_CFB=m
@@ -522,7 +523,7 @@ CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_XXHASH=m
+CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD128=m
 CONFIG_CRYPTO_RMD160=m
@@ -560,6 +561,9 @@ CONFIG_CRYPTO_USER_API_HASH=m
 CONFIG_CRYPTO_USER_API_SKCIPHER=m
 CONFIG_CRYPTO_USER_API_RNG=m
 CONFIG_CRYPTO_USER_API_AEAD=m
+CONFIG_CRYPTO_LIB_BLAKE2S=m
+CONFIG_CRYPTO_LIB_CURVE25519=m
+CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC32_SELFTEST=m
 CONFIG_CRC64=m
@@ -568,6 +572,7 @@ CONFIG_STRING_SELFTEST=m
 # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_WW_MUTEX_SELFTEST=m
+CONFIG_EARLY_PRINTK=y
 CONFIG_TEST_LIST_SORT=m
 CONFIG_TEST_SORT=m
 CONFIG_REED_SOLOMON_TEST=m
@@ -599,4 +604,3 @@ CONFIG_TEST_KMOD=m
 CONFIG_TEST_MEMCAT_P=m
 CONFIG_TEST_STACKINIT=m
 CONFIG_TEST_MEMINIT=m
-CONFIG_EARLY_PRINTK=y

arch/m68k/configs/mvme16x_defconfig

@@ -511,6 +511,7 @@ CONFIG_CRYPTO_RSA=m
 CONFIG_CRYPTO_DH=m
 CONFIG_CRYPTO_ECDH=m
 CONFIG_CRYPTO_ECRDSA=m
+CONFIG_CRYPTO_CURVE25519=m
 CONFIG_CRYPTO_CHACHA20POLY1305=m
 CONFIG_CRYPTO_AEGIS128=m
 CONFIG_CRYPTO_CFB=m
@@ -523,7 +524,7 @@ CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_XXHASH=m
+CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD128=m
 CONFIG_CRYPTO_RMD160=m
@@ -561,6 +562,9 @@ CONFIG_CRYPTO_USER_API_HASH=m
 CONFIG_CRYPTO_USER_API_SKCIPHER=m
 CONFIG_CRYPTO_USER_API_RNG=m
 CONFIG_CRYPTO_USER_API_AEAD=m
+CONFIG_CRYPTO_LIB_BLAKE2S=m
+CONFIG_CRYPTO_LIB_CURVE25519=m
+CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC32_SELFTEST=m
 CONFIG_CRC64=m
@@ -569,6 +573,7 @@ CONFIG_STRING_SELFTEST=m
 # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_WW_MUTEX_SELFTEST=m
+CONFIG_EARLY_PRINTK=y
 CONFIG_TEST_LIST_SORT=m
 CONFIG_TEST_SORT=m
 CONFIG_REED_SOLOMON_TEST=m
@@ -600,4 +605,3 @@ CONFIG_TEST_KMOD=m
 CONFIG_TEST_MEMCAT_P=m
 CONFIG_TEST_STACKINIT=m
 CONFIG_TEST_MEMINIT=m
-CONFIG_EARLY_PRINTK=y

arch/m68k/configs/q40_defconfig

@@ -529,6 +529,7 @@ CONFIG_CRYPTO_RSA=m
 CONFIG_CRYPTO_DH=m
 CONFIG_CRYPTO_ECDH=m
 CONFIG_CRYPTO_ECRDSA=m
+CONFIG_CRYPTO_CURVE25519=m
 CONFIG_CRYPTO_CHACHA20POLY1305=m
 CONFIG_CRYPTO_AEGIS128=m
 CONFIG_CRYPTO_CFB=m
@@ -541,7 +542,7 @@ CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_XXHASH=m
+CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD128=m
 CONFIG_CRYPTO_RMD160=m
@@ -579,6 +580,9 @@ CONFIG_CRYPTO_USER_API_HASH=m
 CONFIG_CRYPTO_USER_API_SKCIPHER=m
 CONFIG_CRYPTO_USER_API_RNG=m
 CONFIG_CRYPTO_USER_API_AEAD=m
+CONFIG_CRYPTO_LIB_BLAKE2S=m
+CONFIG_CRYPTO_LIB_CURVE25519=m
+CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC32_SELFTEST=m
 CONFIG_CRC64=m
@@ -587,6 +591,7 @@ CONFIG_STRING_SELFTEST=m
 # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_WW_MUTEX_SELFTEST=m
+CONFIG_EARLY_PRINTK=y
 CONFIG_TEST_LIST_SORT=m
 CONFIG_TEST_SORT=m
 CONFIG_REED_SOLOMON_TEST=m
@@ -618,4 +623,3 @@ CONFIG_TEST_KMOD=m
 CONFIG_TEST_MEMCAT_P=m
 CONFIG_TEST_STACKINIT=m
 CONFIG_TEST_MEMINIT=m
-CONFIG_EARLY_PRINTK=y

arch/m68k/configs/sun3_defconfig

@@ -513,6 +513,7 @@ CONFIG_CRYPTO_RSA=m
 CONFIG_CRYPTO_DH=m
 CONFIG_CRYPTO_ECDH=m
 CONFIG_CRYPTO_ECRDSA=m
+CONFIG_CRYPTO_CURVE25519=m
 CONFIG_CRYPTO_CHACHA20POLY1305=m
 CONFIG_CRYPTO_AEGIS128=m
 CONFIG_CRYPTO_CFB=m
@@ -525,7 +526,7 @@ CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_XXHASH=m
+CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD128=m
 CONFIG_CRYPTO_RMD160=m
@@ -563,6 +564,9 @@ CONFIG_CRYPTO_USER_API_HASH=m
 CONFIG_CRYPTO_USER_API_SKCIPHER=m
 CONFIG_CRYPTO_USER_API_RNG=m
 CONFIG_CRYPTO_USER_API_AEAD=m
+CONFIG_CRYPTO_LIB_BLAKE2S=m
+CONFIG_CRYPTO_LIB_CURVE25519=m
+CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC32_SELFTEST=m
 CONFIG_CRC64=m

arch/m68k/configs/sun3x_defconfig

@@ -512,6 +512,7 @@ CONFIG_CRYPTO_RSA=m
 CONFIG_CRYPTO_DH=m
 CONFIG_CRYPTO_ECDH=m
 CONFIG_CRYPTO_ECRDSA=m
+CONFIG_CRYPTO_CURVE25519=m
 CONFIG_CRYPTO_CHACHA20POLY1305=m
 CONFIG_CRYPTO_AEGIS128=m
 CONFIG_CRYPTO_CFB=m
@@ -524,7 +525,7 @@ CONFIG_CRYPTO_KEYWRAP=m
 CONFIG_CRYPTO_ADIANTUM=m
 CONFIG_CRYPTO_XCBC=m
 CONFIG_CRYPTO_VMAC=m
-CONFIG_CRYPTO_XXHASH=m
+CONFIG_CRYPTO_BLAKE2S=m
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD128=m
 CONFIG_CRYPTO_RMD160=m
@@ -562,6 +563,9 @@ CONFIG_CRYPTO_USER_API_HASH=m
 CONFIG_CRYPTO_USER_API_SKCIPHER=m
 CONFIG_CRYPTO_USER_API_RNG=m
 CONFIG_CRYPTO_USER_API_AEAD=m
+CONFIG_CRYPTO_LIB_BLAKE2S=m
+CONFIG_CRYPTO_LIB_CURVE25519=m
+CONFIG_CRYPTO_LIB_CHACHA20POLY1305=m
 # CONFIG_CRYPTO_HW is not set
 CONFIG_CRC32_SELFTEST=m
 CONFIG_CRC64=m
@@ -570,6 +574,7 @@ CONFIG_STRING_SELFTEST=m
 # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_WW_MUTEX_SELFTEST=m
+CONFIG_EARLY_PRINTK=y
 CONFIG_TEST_LIST_SORT=m
 CONFIG_TEST_SORT=m
 CONFIG_REED_SOLOMON_TEST=m
@@ -601,4 +606,3 @@ CONFIG_TEST_KMOD=m
 CONFIG_TEST_MEMCAT_P=m
 CONFIG_TEST_STACKINIT=m
 CONFIG_TEST_MEMINIT=m
-CONFIG_EARLY_PRINTK=y

arch/m68k/include/asm/unistd.h

@@ -30,5 +30,6 @@
 #define __ARCH_WANT_SYS_SIGPROCMASK
 #define __ARCH_WANT_SYS_FORK
 #define __ARCH_WANT_SYS_VFORK
+#define __ARCH_WANT_SYS_CLONE3
 
 #endif /* _ASM_M68K_UNISTD_H_ */

arch/m68k/kernel/entry.S

@@ -69,6 +69,13 @@ ENTRY(__sys_vfork)
 	lea     %sp@(24),%sp
 	rts
 
+ENTRY(__sys_clone3)
+	SAVE_SWITCH_STACK
+	pea	%sp@(SWITCH_STACK_SIZE)
+	jbsr	m68k_clone3
+	lea	%sp@(28),%sp
+	rts
+
 ENTRY(sys_sigreturn)
 	SAVE_SWITCH_STACK
 	movel	%sp,%sp@-		  | switch_stack pointer

arch/m68k/kernel/process.c

@@ -30,8 +30,9 @@
 #include <linux/init_task.h>
 #include <linux/mqueue.h>
 #include <linux/rcupdate.h>
-
+#include <linux/syscalls.h>
 #include <linux/uaccess.h>
+
 #include <asm/traps.h>
 #include <asm/machdep.h>
 #include <asm/setup.h>
@@ -107,20 +108,43 @@ void flush_thread(void)
  * on top of pt_regs, which means that sys_clone() arguments would be
  * buried.  We could, of course, copy them, but it's too costly for no
  * good reason - generic clone() would have to copy them *again* for
- * do_fork() anyway.  So in this case it's actually better to pass pt_regs *
- * and extract arguments for do_fork() from there.  Eventually we might
- * go for calling do_fork() directly from the wrapper, but only after we
- * are finished with do_fork() prototype conversion.
+ * _do_fork() anyway.  So in this case it's actually better to pass pt_regs *
+ * and extract arguments for _do_fork() from there.  Eventually we might
+ * go for calling _do_fork() directly from the wrapper, but only after we
+ * are finished with _do_fork() prototype conversion.
  */
 asmlinkage int m68k_clone(struct pt_regs *regs)
 {
 	/* regs will be equal to current_pt_regs() */
-	return do_fork(regs->d1, regs->d2, 0,
-		       (int __user *)regs->d3, (int __user *)regs->d4);
+	struct kernel_clone_args args = {
+		.flags		= regs->d1 & ~CSIGNAL,
+		.pidfd		= (int __user *)regs->d3,
+		.child_tid	= (int __user *)regs->d4,
+		.parent_tid	= (int __user *)regs->d3,
+		.exit_signal	= regs->d1 & CSIGNAL,
+		.stack		= regs->d2,
+		.tls		= regs->d5,
+	};
+
+	if (!legacy_clone_args_valid(&args))
+		return -EINVAL;
+
+	return _do_fork(&args);
 }
 
-int copy_thread(unsigned long clone_flags, unsigned long usp,
-		 unsigned long arg, struct task_struct *p)
+/*
+ * Because extra registers are saved on the stack after the sys_clone3()
+ * arguments, this C wrapper extracts them from pt_regs * and then calls the
+ * generic sys_clone3() implementation.
+ */
+asmlinkage int m68k_clone3(struct pt_regs *regs)
+{
+	return sys_clone3((struct clone_args __user *)regs->d1, regs->d2);
+}
+
+int copy_thread_tls(unsigned long clone_flags, unsigned long usp,
+		    unsigned long arg, struct task_struct *p,
+		    unsigned long tls)
 {
 	struct fork_frame {
 		struct switch_stack sw;
@@ -155,7 +179,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
 	p->thread.usp = usp ?: rdusp();
 
 	if (clone_flags & CLONE_SETTLS)
-		task_thread_info(p)->tp_value = frame->regs.d5;
+		task_thread_info(p)->tp_value = tls;
 
 #ifdef CONFIG_FPU
 	if (!FPU_IS_EMU) {

arch/m68k/kernel/syscalls/syscall.tbl

@@ -434,4 +434,4 @@
 432	common	fsmount				sys_fsmount
 433	common	fspick				sys_fspick
 434	common	pidfd_open			sys_pidfd_open
-# 435 reserved for clone3
+435	common	clone3				__sys_clone3