tweak kernel config

Signed-off-by: Justin Cormack <justin.cormack@unikernel.com>

kernel/kernel_config

@@ -35,7 +35,6 @@ CONFIG_ZONE_DMA32=y
 CONFIG_AUDIT_ARCH=y
 CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y
 CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
-CONFIG_HAVE_INTEL_TXT=y
 CONFIG_X86_64_SMP=y
 CONFIG_X86_HT=y
 CONFIG_ARCH_HWEIGHT_CFLAGS="-fcall-saved-rdi -fcall-saved-rsi -fcall-saved-rdx -fcall-saved-rcx -fcall-saved-r8 -fcall-saved-r9 -fcall-saved-r10 -fcall-saved-r11"
@@ -66,7 +65,7 @@ CONFIG_HAVE_KERNEL_LZ4=y
 CONFIG_KERNEL_XZ=y
 # CONFIG_KERNEL_LZO is not set
 # CONFIG_KERNEL_LZ4 is not set
-CONFIG_DEFAULT_HOSTNAME="boot2docker"
+CONFIG_DEFAULT_HOSTNAME="moby"
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
@@ -166,7 +165,7 @@ CONFIG_CFS_BANDWIDTH=y
 CONFIG_RT_GROUP_SCHED=y
 CONFIG_BLK_CGROUP=y
 # CONFIG_DEBUG_BLK_CGROUP is not set
-CONFIG_CHECKPOINT_RESTORE=y
+# CONFIG_CHECKPOINT_RESTORE is not set
 CONFIG_NAMESPACES=y
 CONFIG_UTS_NS=y
 CONFIG_IPC_NS=y
@@ -191,14 +190,13 @@ CONFIG_HAVE_UID16=y
 CONFIG_SYSCTL_EXCEPTION_TRACE=y
 CONFIG_HAVE_PCSPKR_PLATFORM=y
 CONFIG_BPF=y
-CONFIG_EXPERT=y
+# CONFIG_EXPERT is not set
 CONFIG_UID16=y
 CONFIG_MULTIUSER=y
 CONFIG_SGETMASK_SYSCALL=y
 CONFIG_SYSFS_SYSCALL=y
-CONFIG_SYSCTL_SYSCALL=y
+# CONFIG_SYSCTL_SYSCALL is not set
 CONFIG_KALLSYMS=y
-# CONFIG_KALLSYMS_ALL is not set
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
@@ -209,19 +207,18 @@ CONFIG_EPOLL=y
 CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
-# CONFIG_BPF_SYSCALL is not set
+CONFIG_BPF_SYSCALL=y
 CONFIG_SHMEM=y
 CONFIG_AIO=y
 CONFIG_ADVISE_SYSCALLS=y
 CONFIG_PCI_QUIRKS=y
-CONFIG_EMBEDDED=y
+# CONFIG_EMBEDDED is not set
 CONFIG_HAVE_PERF_EVENTS=y
 
 #
 # Kernel Performance Events And Counters
 #
 CONFIG_PERF_EVENTS=y
-# CONFIG_DEBUG_PERF_USE_VMALLOC is not set
 CONFIG_VM_EVENT_COUNTERS=y
 # CONFIG_COMPAT_BRK is not set
 CONFIG_SLAB=y
@@ -371,7 +368,6 @@ CONFIG_X86_SUPPORTS_MEMORY_FAILURE=y
 CONFIG_SCHED_OMIT_FRAME_POINTER=y
 CONFIG_HYPERVISOR_GUEST=y
 CONFIG_PARAVIRT=y
-# CONFIG_PARAVIRT_DEBUG is not set
 # CONFIG_PARAVIRT_SPINLOCKS is not set
 CONFIG_XEN=y
 CONFIG_XEN_DOM0=y
@@ -397,7 +393,6 @@ CONFIG_X86_CMPXCHG64=y
 CONFIG_X86_CMOV=y
 CONFIG_X86_MINIMUM_CPU_FAMILY=64
 CONFIG_X86_DEBUGCTLMSR=y
-# CONFIG_PROCESSOR_SELECT is not set
 CONFIG_CPU_SUP_INTEL=y
 CONFIG_CPU_SUP_AMD=y
 CONFIG_CPU_SUP_CENTAUR=y
@@ -408,7 +403,6 @@ CONFIG_GART_IOMMU=y
 # CONFIG_CALGARY_IOMMU is not set
 CONFIG_SWIOTLB=y
 CONFIG_IOMMU_HELPER=y
-# CONFIG_MAXSMP is not set
 CONFIG_NR_CPUS=8
 # CONFIG_SCHED_SMT is not set
 CONFIG_SCHED_MC=y
@@ -481,7 +475,6 @@ CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y
 CONFIG_CLEANCACHE=y
 CONFIG_FRONTSWAP=y
 # CONFIG_CMA is not set
-# CONFIG_MEM_SOFT_DIRTY is not set
 # CONFIG_ZSWAP is not set
 # CONFIG_ZPOOL is not set
 # CONFIG_ZBUD is not set
@@ -515,7 +508,7 @@ CONFIG_KEXEC=y
 # CONFIG_KEXEC_FILE is not set
 # CONFIG_CRASH_DUMP is not set
 # CONFIG_KEXEC_JUMP is not set
-CONFIG_PHYSICAL_START=0x100000
+CONFIG_PHYSICAL_START=0x1000000
 CONFIG_RELOCATABLE=y
 # CONFIG_RANDOMIZE_BASE is not set
 CONFIG_PHYSICAL_ALIGN=0x1000000
@@ -638,7 +631,6 @@ CONFIG_PCI_DIRECT=y
 CONFIG_PCI_MMCONFIG=y
 CONFIG_PCI_XEN=y
 CONFIG_PCI_DOMAINS=y
-# CONFIG_PCI_CNB20LE_QUIRK is not set
 CONFIG_PCIEPORTBUS=y
 CONFIG_HOTPLUG_PCI_PCIE=y
 # CONFIG_PCIEAER is not set
@@ -650,7 +642,6 @@ CONFIG_PCIEASPM_DEFAULT=y
 CONFIG_PCIE_PME=y
 CONFIG_PCI_BUS_ADDR_T_64BIT=y
 CONFIG_PCI_MSI=y
-# CONFIG_PCI_DEBUG is not set
 # CONFIG_PCI_REALLOC_ENABLE_AUTO is not set
 CONFIG_PCI_STUB=y
 CONFIG_XEN_PCIDEV_FRONTEND=y
@@ -1264,8 +1255,6 @@ CONFIG_FIRMWARE_IN_KERNEL=y
 CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_FW_LOADER_USER_HELPER_FALLBACK is not set
 CONFIG_ALLOW_DEV_COREDUMP=y
-# CONFIG_DEBUG_DRIVER is not set
-# CONFIG_DEBUG_DEVRES is not set
 # CONFIG_SYS_HYPERVISOR is not set
 # CONFIG_GENERIC_CPU_DEVICES is not set
 CONFIG_GENERIC_CPU_AUTOPROBE=y
@@ -1723,7 +1712,6 @@ CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_ARC is not set
 # CONFIG_SERIAL_RP2 is not set
 # CONFIG_SERIAL_FSL_LPUART is not set
-# CONFIG_TTY_PRINTK is not set
 CONFIG_HVC_DRIVER=y
 CONFIG_HVC_IRQ=y
 CONFIG_HVC_XEN=y
@@ -2163,7 +2151,8 @@ CONFIG_MFD_VX855=y
 # Graphics support
 #
 # CONFIG_AGP is not set
-# CONFIG_VGA_ARB is not set
+CONFIG_VGA_ARB=y
+CONFIG_VGA_ARB_MAX_GPUS=16
 # CONFIG_VGA_SWITCHEROO is not set
 
 #
@@ -2181,7 +2170,8 @@ CONFIG_MFD_VX855=y
 #
 # Console display driver support
 #
-# CONFIG_VGA_CONSOLE is not set
+CONFIG_VGA_CONSOLE=y
+# CONFIG_VGACON_SOFT_SCROLLBACK is not set
 CONFIG_DUMMY_CONSOLE=y
 CONFIG_DUMMY_CONSOLE_COLUMNS=80
 CONFIG_DUMMY_CONSOLE_ROWS=25
@@ -2294,7 +2284,6 @@ CONFIG_DMADEVICES=y
 CONFIG_DMA_ACPI=y
 # CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
-# CONFIG_VFIO is not set
 # CONFIG_VIRT_DRIVERS is not set
 CONFIG_VIRTIO=y
 
@@ -2377,21 +2366,7 @@ CONFIG_CLKBLD_I8253=y
 # CONFIG_SH_TIMER_TMU is not set
 # CONFIG_EM_TIMER_STI is not set
 # CONFIG_MAILBOX is not set
-CONFIG_IOMMU_API=y
+# CONFIG_IOMMU_SUPPORT is not set
-CONFIG_IOMMU_SUPPORT=y
-
-#
-# Generic IOMMU Pagetable Support
-#
-CONFIG_IOMMU_IOVA=y
-CONFIG_AMD_IOMMU=y
-# CONFIG_AMD_IOMMU_STATS is not set
-# CONFIG_AMD_IOMMU_V2 is not set
-CONFIG_DMAR_TABLE=y
-CONFIG_INTEL_IOMMU=y
-CONFIG_INTEL_IOMMU_DEFAULT_ON=y
-CONFIG_INTEL_IOMMU_FLOPPY_WA=y
-# CONFIG_IRQ_REMAP is not set
 
 #
 # Remoteproc drivers
@@ -2611,7 +2586,6 @@ CONFIG_NFSD_V3=y
 CONFIG_NFSD_V4=y
 # CONFIG_NFSD_PNFS is not set
 # CONFIG_NFSD_V4_SECURITY_LABEL is not set
-# CONFIG_NFSD_FAULT_INJECTION is not set
 CONFIG_GRACE_PERIOD=y
 CONFIG_LOCKD=y
 CONFIG_LOCKD_V4=y
@@ -2702,86 +2676,49 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 #
 # CONFIG_PRINTK_TIME is not set
 CONFIG_MESSAGE_LOGLEVEL_DEFAULT=4
-# CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_DYNAMIC_DEBUG is not set
 
 #
 # Compile-time checks and compiler options
 #
-# CONFIG_DEBUG_INFO is not set
 # CONFIG_ENABLE_WARN_DEPRECATED is not set
 # CONFIG_ENABLE_MUST_CHECK is not set
 CONFIG_FRAME_WARN=1024
 # CONFIG_STRIP_ASM_SYMS is not set
-# CONFIG_READABLE_ASM is not set
 # CONFIG_UNUSED_SYMBOLS is not set
-# CONFIG_PAGE_OWNER is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
 # CONFIG_DEBUG_SECTION_MISMATCH is not set
 CONFIG_ARCH_WANT_FRAME_POINTERS=y
 # CONFIG_FRAME_POINTER is not set
-# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE=0x1
-CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_KERNEL is not set
 
 #
 # Memory Debugging
 #
 # CONFIG_PAGE_EXTENSION is not set
-# CONFIG_DEBUG_PAGEALLOC is not set
-# CONFIG_DEBUG_OBJECTS is not set
-# CONFIG_DEBUG_SLAB is not set
 CONFIG_HAVE_DEBUG_KMEMLEAK=y
-# CONFIG_DEBUG_KMEMLEAK is not set
+CONFIG_DEBUG_MEMORY_INIT=y
-# CONFIG_DEBUG_STACK_USAGE is not set
-# CONFIG_DEBUG_VM is not set
-# CONFIG_DEBUG_VIRTUAL is not set
-# CONFIG_DEBUG_MEMORY_INIT is not set
-# CONFIG_DEBUG_PER_CPU_MAPS is not set
 CONFIG_HAVE_DEBUG_STACKOVERFLOW=y
-# CONFIG_DEBUG_STACKOVERFLOW is not set
 CONFIG_HAVE_ARCH_KMEMCHECK=y
 CONFIG_HAVE_ARCH_KASAN=y
 CONFIG_KASAN_SHADOW_OFFSET=0xdffffc0000000000
-# CONFIG_DEBUG_SHIRQ is not set
 
 #
 # Debug Lockups and Hangs
 #
-# CONFIG_LOCKUP_DETECTOR is not set
-# CONFIG_DETECT_HUNG_TASK is not set
 # CONFIG_PANIC_ON_OOPS is not set
 CONFIG_PANIC_ON_OOPS_VALUE=0
 CONFIG_PANIC_TIMEOUT=0
-# CONFIG_SCHED_DEBUG is not set
-# CONFIG_SCHEDSTATS is not set
-# CONFIG_SCHED_STACK_END_CHECK is not set
 # CONFIG_DEBUG_TIMEKEEPING is not set
-CONFIG_TIMER_STATS=y
 
 #
 # Lock Debugging (spinlocks, mutexes, etc...)
 #
-# CONFIG_DEBUG_RT_MUTEXES is not set
-# CONFIG_DEBUG_SPINLOCK is not set
-# CONFIG_DEBUG_MUTEXES is not set
-# CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set
-# CONFIG_DEBUG_LOCK_ALLOC is not set
-# CONFIG_PROVE_LOCKING is not set
-# CONFIG_LOCK_STAT is not set
-# CONFIG_DEBUG_ATOMIC_SLEEP is not set
-# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
-# CONFIG_LOCK_TORTURE_TEST is not set
 CONFIG_STACKTRACE=y
-# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
-# CONFIG_DEBUG_BUGVERBOSE is not set
-# CONFIG_DEBUG_LIST is not set
-# CONFIG_DEBUG_PI_LIST is not set
-# CONFIG_DEBUG_SG is not set
-# CONFIG_DEBUG_NOTIFIERS is not set
-# CONFIG_DEBUG_CREDENTIALS is not set
 
 #
 # RCU Debugging
@@ -2789,16 +2726,8 @@ CONFIG_STACKTRACE=y
 # CONFIG_PROVE_RCU is not set
 # CONFIG_SPARSE_RCU_POINTER is not set
 # CONFIG_TORTURE_TEST is not set
-# CONFIG_RCU_TORTURE_TEST is not set
 CONFIG_RCU_CPU_STALL_TIMEOUT=60
-# CONFIG_RCU_CPU_STALL_INFO is not set
-# CONFIG_RCU_TRACE is not set
-# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
-# CONFIG_NOTIFIER_ERROR_INJECTION is not set
-# CONFIG_FAULT_INJECTION is not set
-# CONFIG_LATENCYTOP is not set
 CONFIG_ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS=y
-# CONFIG_DEBUG_STRICT_USER_COPY_CHECKS is not set
 CONFIG_USER_STACKTRACE_SUPPORT=y
 CONFIG_NOP_TRACER=y
 CONFIG_HAVE_FUNCTION_TRACER=y
@@ -2842,11 +2771,6 @@ CONFIG_BRANCH_PROFILE_NONE=y
 # Runtime Testing
 #
 # CONFIG_LKDTM is not set
-# CONFIG_TEST_LIST_SORT is not set
-# CONFIG_BACKTRACE_SELF_TEST is not set
-# CONFIG_RBTREE_TEST is not set
-# CONFIG_INTERVAL_TREE_TEST is not set
-# CONFIG_PERCPU_TEST is not set
 # CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_TEST_HEXDUMP is not set
 # CONFIG_TEST_STRING_HELPERS is not set
@@ -2862,18 +2786,13 @@ CONFIG_BRANCH_PROFILE_NONE=y
 # CONFIG_MEMTEST is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
-# CONFIG_KGDB is not set
 CONFIG_STRICT_DEVMEM=y
 CONFIG_X86_VERBOSE_BOOTUP=y
-# CONFIG_EARLY_PRINTK is not set
+CONFIG_EARLY_PRINTK=y
-# CONFIG_X86_PTDUMP is not set
+# CONFIG_EARLY_PRINTK_DBGP is not set
-CONFIG_DEBUG_RODATA=y
+# CONFIG_EARLY_PRINTK_EFI is not set
-# CONFIG_DEBUG_RODATA_TEST is not set
 # CONFIG_DEBUG_SET_MODULE_RONX is not set
-# CONFIG_DEBUG_NX_TEST is not set
 CONFIG_DOUBLEFAULT=y
-# CONFIG_DEBUG_TLBFLUSH is not set
-# CONFIG_IOMMU_DEBUG is not set
 # CONFIG_IOMMU_STRESS is not set
 CONFIG_HAVE_MMIOTRACE_SUPPORT=y
 CONFIG_IO_DELAY_TYPE_0X80=0
@@ -2885,11 +2804,7 @@ CONFIG_IO_DELAY_0X80=y
 # CONFIG_IO_DELAY_UDELAY is not set
 # CONFIG_IO_DELAY_NONE is not set
 CONFIG_DEFAULT_IO_DELAY_TYPE=0
-# CONFIG_DEBUG_BOOT_PARAMS is not set
-# CONFIG_CPA_DEBUG is not set
 CONFIG_OPTIMIZE_INLINING=y
-# CONFIG_DEBUG_NMI_SELFTEST is not set
-# CONFIG_X86_DEBUG_STATIC_CPU_HAS is not set
 
 #
 # Security options
@@ -2904,7 +2819,6 @@ CONFIG_SECURITYFS=y
 CONFIG_SECURITY_NETWORK=y
 CONFIG_SECURITY_NETWORK_XFRM=y
 CONFIG_SECURITY_PATH=y
-CONFIG_INTEL_TXT=y
 # CONFIG_SECURITY_SMACK is not set
 # CONFIG_SECURITY_TOMOYO is not set
 # CONFIG_SECURITY_APPARMOR is not set
@@ -3102,11 +3016,11 @@ CONFIG_LZO_DECOMPRESS=y
 CONFIG_LZ4_DECOMPRESS=y
 CONFIG_XZ_DEC=y
 CONFIG_XZ_DEC_X86=y
-# CONFIG_XZ_DEC_POWERPC is not set
+CONFIG_XZ_DEC_POWERPC=y
-# CONFIG_XZ_DEC_IA64 is not set
+CONFIG_XZ_DEC_IA64=y
 CONFIG_XZ_DEC_ARM=y
 CONFIG_XZ_DEC_ARMTHUMB=y
-# CONFIG_XZ_DEC_SPARC is not set
+CONFIG_XZ_DEC_SPARC=y
 CONFIG_XZ_DEC_BCJ=y
 CONFIG_XZ_DEC_TEST=y
 CONFIG_DECOMPRESS_GZIP=y