root@ds25:~# diff -Nur /boot/config-6.3.0-1-alpha-generic /boot/config-6.3.0-1-alpha-smp
--- /boot/config-6.3.0-1-alpha-generic	2023-06-12 08:25:26.000000000 +0200
+++ /boot/config-6.3.0-1-alpha-smp	2023-06-12 08:25:26.000000000 +0200
@@ -21,7 +21,6 @@
 #
 # General setup
 #
-CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 # CONFIG_COMPILE_TEST is not set
 # CONFIG_WERROR is not set
@@ -45,6 +44,7 @@
 #
 CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_AUTO_IRQ_AFFINITY=y
 CONFIG_GENERIC_IRQ_INJECTION=y
 CONFIG_IRQ_DOMAIN=y
 CONFIG_IRQ_DOMAIN_HIERARCHY=y
@@ -53,6 +53,8 @@
 # end of IRQ subsystem

 CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_CONTEXT_TRACKING=y
+CONFIG_CONTEXT_TRACKING_IDLE=y

 #
 # Timers subsystem
@@ -91,21 +93,25 @@
 # CONFIG_PSI_DEFAULT_DISABLED is not set
 # end of CPU/Task time and stats accounting

+CONFIG_CPU_ISOLATION=y
+
 #
 # RCU Subsystem
 #
-CONFIG_TINY_RCU=y
+CONFIG_TREE_RCU=y
 # CONFIG_RCU_EXPERT is not set
 CONFIG_SRCU=y
-CONFIG_TINY_SRCU=y
+CONFIG_TREE_SRCU=y
 CONFIG_TASKS_RCU_GENERIC=y
 CONFIG_TASKS_TRACE_RCU=y
+CONFIG_RCU_STALL_COMMON=y
 CONFIG_RCU_NEED_SEGCBLIST=y
 # end of RCU Subsystem

 # CONFIG_IKCONFIG is not set
 # CONFIG_IKHEADERS is not set
 CONFIG_LOG_BUF_SHIFT=17
+CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
 CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=13
 # CONFIG_PRINTK_INDEX is not set

@@ -132,6 +138,8 @@
 CONFIG_CGROUP_PIDS=y
 CONFIG_CGROUP_RDMA=y
 CONFIG_CGROUP_FREEZER=y
+CONFIG_CPUSETS=y
+CONFIG_PROC_PID_CPUSET=y
 CONFIG_CGROUP_DEVICE=y
 CONFIG_CGROUP_CPUACCT=y
 CONFIG_CGROUP_PERF=y
@@ -255,9 +263,10 @@
 CONFIG_ALPHA_BROKEN_IRQ_MASK=y
 CONFIG_VGA_HOSE=y
 CONFIG_ARCH_MAY_HAVE_PC_FDC=y
-# CONFIG_SMP is not set
+CONFIG_SMP=y
+CONFIG_NR_CPUS=32
 # CONFIG_ARCH_SPARSEMEM_ENABLE is not set
-# CONFIG_ALPHA_WTINT is not set
+CONFIG_ALPHA_WTINT=y
 # CONFIG_VERBOSE_MCHECK is not set
 # CONFIG_HZ_32 is not set
 # CONFIG_HZ_64 is not set
@@ -395,6 +404,7 @@
 # CONFIG_BFQ_CGROUP_DEBUG is not set
 # end of IO Schedulers

+CONFIG_PADATA=y
 CONFIG_ASN1=y
 CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
 CONFIG_INLINE_READ_UNLOCK=y
@@ -449,6 +459,7 @@
 CONFIG_SLAB_FREELIST_RANDOM=y
 CONFIG_SLAB_FREELIST_HARDENED=y
 # CONFIG_SLUB_STATS is not set
+CONFIG_SLUB_CPU_PARTIAL=y
 # end of SLAB allocator options

 # CONFIG_SHUFFLE_PAGE_ALLOCATOR is not set
@@ -464,7 +475,6 @@
 CONFIG_PHYS_ADDR_T_64BIT=y
 CONFIG_KSM=y
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
-CONFIG_NEED_PER_CPU_KM=y
 CONFIG_FRONTSWAP=y
 # CONFIG_CMA is not set
 # CONFIG_IDLE_PAGE_TRACKING is not set
@@ -1183,12 +1193,17 @@
 # CONFIG_QRTR_TUN is not set
 CONFIG_QRTR_MHI=m
 # CONFIG_NET_NCSI is not set
+CONFIG_PCPU_DEV_REFCNT=y
+CONFIG_RPS=y
+CONFIG_RFS_ACCEL=y
 CONFIG_SOCK_RX_QUEUE_MAPPING=y
+CONFIG_XPS=y
 CONFIG_CGROUP_NET_PRIO=y
 CONFIG_CGROUP_NET_CLASSID=y
 CONFIG_NET_RX_BUSY_POLL=y
 CONFIG_BQL=y
 CONFIG_BPF_STREAM_PARSER=y
+CONFIG_NET_FLOW_LIMIT=y

 #
 # Network testing
@@ -1877,10 +1892,10 @@
 #
 # SCSI device support
 #
-CONFIG_SCSI_MOD=m
+CONFIG_SCSI_MOD=y
 CONFIG_RAID_ATTRS=m
-CONFIG_SCSI_COMMON=m
-CONFIG_SCSI=m
+CONFIG_SCSI_COMMON=y
+CONFIG_SCSI=y
 CONFIG_SCSI_DMA=y
 CONFIG_SCSI_NETLINK=y
 # CONFIG_SCSI_PROC_FS is not set
@@ -2441,6 +2456,7 @@
 CONFIG_MLX5_CORE=m
 CONFIG_MLX5_FPGA=y
 CONFIG_MLX5_CORE_EN=y
+CONFIG_MLX5_EN_ARFS=y
 CONFIG_MLX5_EN_RXNFC=y
 CONFIG_MLX5_MPFS=y
 CONFIG_MLX5_ESWITCH=y
@@ -3590,7 +3606,6 @@
 CONFIG_I2C_HELPER_AUTO=y
 CONFIG_I2C_SMBUS=m
 CONFIG_I2C_ALGOBIT=m
-CONFIG_I2C_ALGOPCF=m
 CONFIG_I2C_ALGOPCA=m

 #
@@ -3643,7 +3658,6 @@
 #
 # Other I2C/SMBus bus drivers
 #
-CONFIG_I2C_ELEKTOR=m
 CONFIG_I2C_PCA_ISA=m
 # CONFIG_I2C_VIRTIO is not set
 # end of I2C Hardware Bus support
@@ -7617,6 +7631,7 @@
 # CONFIG_CRYPTO_MANAGER_EXTRA_TESTS is not set
 CONFIG_CRYPTO_NULL=m
 CONFIG_CRYPTO_NULL2=y
+CONFIG_CRYPTO_PCRYPT=m
 # CONFIG_CRYPTO_CRYPTD is not set
 CONFIG_CRYPTO_AUTHENC=m
 CONFIG_CRYPTO_TEST=m
@@ -7902,6 +7917,8 @@
 # CONFIG_DMA_MAP_BENCHMARK is not set
 CONFIG_SGL_ALLOC=y
 CONFIG_CHECK_SIGNATURE=y
+# CONFIG_FORCE_NR_CPUS is not set
+CONFIG_CPU_RMAP=y
 CONFIG_DQL=y
 CONFIG_GLOB=y
 # CONFIG_GLOB_SELFTEST is not set
@@ -8019,6 +8036,7 @@
 CONFIG_SCHED_STACK_END_CHECK=y
 # CONFIG_DEBUG_VM is not set
 CONFIG_DEBUG_MEMORY_INIT=y
+# CONFIG_DEBUG_PER_CPU_MAPS is not set
 CONFIG_CC_HAS_WORKING_NOSANITIZE_ADDRESS=y
 # end of Memory Debugging

@@ -8087,6 +8105,9 @@
 # CONFIG_RCU_SCALE_TEST is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_REF_SCALE_TEST is not set
+CONFIG_RCU_CPU_STALL_TIMEOUT=21
+CONFIG_RCU_EXP_CPU_STALL_TIMEOUT=0
+# CONFIG_RCU_CPU_STALL_CPUTIME is not set
 # CONFIG_RCU_TRACE is not set
 # CONFIG_RCU_EQS_DEBUG is not set
 # end of RCU Debugging