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    SubjectRe: [PATCH 4/7] hvc_console: Fix race between hvc_close and hvc_remove
    On (Sun) Mar 21 2010 [08:04:39], Benjamin Herrenschmidt wrote:
    > On Fri, 2010-03-19 at 08:18 -0700, Greg Kroah-Hartman wrote:
    > > From: Amit Shah <amit.shah@redhat.com>
    > >
    > > Alan pointed out a race in the code where hvc_remove is invoked. The
    > > recent virtio_console work is the first user of hvc_remove().
    >
    > This causes hangs during boot on pseries machines. Haven't had a chance
    > to track that down yet, but please revert
    > e74d098c66543d0731de62eb747ccd5b636a6f4c for now.

    I tested this with the virtio-console driver with multiple consoles on
    Linux-2.6.34-rc2 inside a KVM VM. I didn't face any lockups / badness,
    but the following popped up once on -smp 4.

    Could this be the same bug that's causing a lockup for you?

    Since the virtio-console isn't the primary console on my VM, I didn't
    see a lockup but maybe powerpc uses this as the primary console and the
    lockup is a result of this?

    I've not investigated this; I might get around to it next week, but
    CC'ing the sched people on this one.

    (My .config is after the oops.)

    BUG: unable to handle kernel NULL pointer dereference at (null)
    IP: [<ffffffff8101f4dc>] task_is_waking+0x1/0x1f
    PGD 3d261067 PUD 3d013067 PMD 0
    Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
    last sysfs file: /sys/devices/virtual/block/ram13/removable
    CPU 0
    Modules linked in:

    Pid: 573, comm: console_check Not tainted 2.6.34-rc2 #102 /Bochs
    RIP: 0010:[<ffffffff8101f4dc>] [<ffffffff8101f4dc>]
    task_is_waking+0x1/0x1f
    RSP: 0018:ffff88003bdf5b48 EFLAGS: 00010246
    RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81646e30
    RDX: ffff88003bdf5b78 RSI: ffff88003bdf5ba0 RDI: 0000000000000000
    RBP: ffff88003bdf5b78 R08: 0000000000000000 R09: ffffffff81646e08
    R10: 0000000000000046 R11: 0000000000001130 R12: 00000000001d1d00
    R13: 0000000000000000 R14: ffff88003bdf5ba0 R15: 000000000000000f
    FS: 00007f330731b6f0(0000) GS:ffff880003800000(0000)
    knlGS:0000000000000000
    CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
    CR2: 0000000000000000 CR3: 000000003be78000 CR4: 00000000000006b0
    DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    Process console_check (pid: 573, threadinfo ffff88003bdf4000, task
    ffff88003bc3a2d0)
    Stack:
    ffff88003bdf5b78 ffffffff8102058e 0000000000000000 0000000000000000
    <0> 0000000000000000 0000000000000000 ffff88003bdf5bd8 ffffffff81026f03
    <0> ffff88003ead8cd8 ffff88003eb10490 ffff88003bdf5bd8 ffffffff8118cea9
    Call Trace:
    [<ffffffff8102058e>] ? task_rq_lock+0x24/0x98
    [<ffffffff81026f03>] try_to_wake_up+0x4b/0x33b
    [<ffffffff8118cea9>] ? resize_console+0x25/0x95
    [<ffffffff8102721f>] wake_up_process+0x10/0x12
    [<ffffffff8118c18e>] hvc_kick+0x1a/0x1c
    [<ffffffff8118cbb4>] hvc_open+0xf6/0x102
    [<ffffffff81179f7d>] tty_open+0x369/0x4f0
    [<ffffffff810a47e8>] chrdev_open+0x127/0x148
    [<ffffffff810a46c1>] ? chrdev_open+0x0/0x148
    [<ffffffff810a066b>] __dentry_open+0x154/0x28a
    [<ffffffff810a0866>] nameidata_to_filp+0x3a/0x4b
    [<ffffffff810ab9cb>] do_last+0x473/0x5ba
    [<ffffffff810abd12>] do_filp_open+0x200/0x602
    [<ffffffff8104e43b>] ? get_lock_stats+0x20/0x4c
    [<ffffffff8124fa30>] ? _raw_spin_unlock+0x45/0x52
    [<ffffffff810b4d68>] ? spin_unlock+0x9/0xb
    [<ffffffff810b5455>] ? alloc_fd+0x111/0x123
    [<ffffffff810a045a>] do_sys_open+0x57/0xd7
    [<ffffffff810a0503>] sys_open+0x1b/0x1d
    [<ffffffff81001ec2>] system_call_fastpath+0x16/0x1b
    Code: c5 e8 ef 9b 09 00 48 83 c3 08 48 83 3b 00 75 c4 4c 89 e7 48 c7 c6
    87 a7 4c 81 e8 69 95 09 00 41 58 31 c0 5b 41 5c 41 5d c9 c3 55 <48> 8b
    17 31 c0 48 89 e5 48 81 fa 00 01 00 00 75 0b 8b 47 14 d1
    RIP [<ffffffff8101f4dc>] task_is_waking+0x1/0x1f
    RSP <ffff88003bdf5b48>
    CR2: 0000000000000000
    ---[ end trace a8d89f6ae287538e ]---
    note: console_check[573] exited with preempt_count 2
    BUG: scheduling while atomic: console_check/573/0x10000002
    INFO: lockdep is turned off.
    Modules linked in:
    Pid: 573, comm: console_check Tainted: G D 2.6.34-rc2 #102
    Call Trace:
    [<ffffffff8104f44e>] ? __debug_show_held_locks+0x1b/0x24
    [<ffffffff81024f1b>] __schedule_bug+0x72/0x77
    [<ffffffff8124d073>] schedule+0xcc/0x69f
    [<ffffffff81027f95>] __cond_resched+0x13/0x1f
    [<ffffffff8124d6e8>] _cond_resched+0x16/0x1d
    [<ffffffff81085874>] unmap_vmas+0x733/0x7b1
    [<ffffffff8108a474>] exit_mmap+0x88/0xdc
    [<ffffffff8102b1ce>] mmput+0x43/0xb4
    [<ffffffff8102ed92>] exit_mm+0x103/0x110
    [<ffffffff8118b138>] ? spin_unlock_irq+0x9/0xb
    [<ffffffff8103067d>] do_exit+0x1e7/0x68c
    [<ffffffff8102d4ca>] ? spin_unlock_irqrestore+0x9/0xb
    [<ffffffff8102e14c>] ? kmsg_dump+0x150/0x16a
    [<ffffffff810059be>] ? oops_end+0x44/0x94
    [<ffffffff81005a09>] oops_end+0x8f/0x94
    [<ffffffff81019f80>] no_context+0x1f7/0x206
    [<ffffffff81017450>] ? kvm_clock_read+0x3e/0x5c
    [<ffffffff8101a11c>] __bad_area_nosemaphore+0x18d/0x1b0
    [<ffffffff8101a31d>] ? do_page_fault+0xaa/0x295
    [<ffffffff8101a14d>] bad_area_nosemaphore+0xe/0x10
    [<ffffffff8101a3bc>] do_page_fault+0x149/0x295
    [<ffffffff81250435>] page_fault+0x25/0x30
    [<ffffffff8101f4dc>] ? task_is_waking+0x1/0x1f
    [<ffffffff8124fa7f>] ? _raw_spin_unlock_irqrestore+0x42/0x79
    [<ffffffff8102058e>] ? task_rq_lock+0x24/0x98
    [<ffffffff81026f03>] try_to_wake_up+0x4b/0x33b
    [<ffffffff8118cea9>] ? resize_console+0x25/0x95
    [<ffffffff8102721f>] wake_up_process+0x10/0x12
    [<ffffffff8118c18e>] hvc_kick+0x1a/0x1c
    [<ffffffff8118cbb4>] hvc_open+0xf6/0x102
    [<ffffffff81179f7d>] tty_open+0x369/0x4f0
    [<ffffffff810a47e8>] chrdev_open+0x127/0x148
    [<ffffffff810a46c1>] ? chrdev_open+0x0/0x148
    [<ffffffff810a066b>] __dentry_open+0x154/0x28a
    [<ffffffff810a0866>] nameidata_to_filp+0x3a/0x4b
    [<ffffffff810ab9cb>] do_last+0x473/0x5ba
    [<ffffffff810abd12>] do_filp_open+0x200/0x602
    [<ffffffff8104e43b>] ? get_lock_stats+0x20/0x4c
    [<ffffffff8124fa30>] ? _raw_spin_unlock+0x45/0x52
    [<ffffffff810b4d68>] ? spin_unlock+0x9/0xb
    [<ffffffff810b5455>] ? alloc_fd+0x111/0x123
    [<ffffffff810a045a>] do_sys_open+0x57/0xd7
    [<ffffffff810a0503>] sys_open+0x1b/0x1d
    [<ffffffff81001ec2>] system_call_fastpath+0x16/0x1b
    EXT4-fs (sda1): mounted filesystem with ordered data mode
    BUG: unable to handle kernel NULL pointer dereference at (null)
    IP: [<ffffffff8101f4dc>] task_is_waking+0x1/0x1f
    PGD 3e7ab067 PUD 3ce84067 PMD 0
    Oops: 0000 [#2] PREEMPT SMP DEBUG_PAGEALLOC
    last sysfs file:
    /sys/devices/pci0000:00/0000:00:01.1/host0/target0:0:0/0:0:0:0/block/sda/sda2/dev
    CPU 1
    Modules linked in:

    Pid: 951, comm: agetty Tainted: G D 2.6.34-rc2 #102 /Bochs
    RIP: 0010:[<ffffffff8101f4dc>] [<ffffffff8101f4dc>]
    task_is_waking+0x1/0x1f
    RSP: 0018:ffff88003cdd9b48 EFLAGS: 00010246
    RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000
    RDX: ffff88003cdd9bb8 RSI: ffff88003cdd9ba0 RDI: 0000000000000000
    RBP: ffff88003cdd9b78 R08: ffff88003f80d168 R09: ffff88003ef60018
    R10: 0000000000000046 R11: 0000000000000292 R12: 00000000001d1d00
    R13: 0000000000000000 R14: ffff88003cdd9ba0 R15: 000000000000000f
    FS: 00007fd200b486f0(0000) GS:ffff880003a00000(0000)
    knlGS:0000000000000000
    CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
    CR2: 0000000000000000 CR3: 000000003f189000 CR4: 00000000000006a0
    DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
    DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
    Process agetty (pid: 951, threadinfo ffff88003cdd8000, task
    ffff88003d2f8000)
    Stack:
    ffff88003cdd9b78 ffffffff8102058e 0000000000000000 0000000000000000
    <0> 0000000000000000 0000000000000001 ffff88003cdd9bd8 ffffffff81026f03
    <0> 0000000000000000 0000000000000046 ffff88003ef60018 0000000000000046
    Call Trace:
    [<ffffffff8102058e>] ? task_rq_lock+0x24/0x98
    [<ffffffff81026f03>] try_to_wake_up+0x4b/0x33b
    [<ffffffff8102721f>] wake_up_process+0x10/0x12
    [<ffffffff8118c18e>] hvc_kick+0x1a/0x1c
    [<ffffffff8118cb1b>] hvc_open+0x5d/0x102
    [<ffffffff81179f7d>] tty_open+0x369/0x4f0
    [<ffffffff810a47e8>] chrdev_open+0x127/0x148
    [<ffffffff810a2899>] ? spin_unlock+0x9/0xb
    [<ffffffff810a46c1>] ? chrdev_open+0x0/0x148
    [<ffffffff810a066b>] __dentry_open+0x154/0x28a
    [<ffffffff810a0866>] nameidata_to_filp+0x3a/0x4b
    [<ffffffff810ab9cb>] do_last+0x473/0x5ba
    [<ffffffff810abd12>] do_filp_open+0x200/0x602
    [<ffffffff8124fa30>] ? _raw_spin_unlock+0x45/0x52
    [<ffffffff810b4d68>] ? spin_unlock+0x9/0xb
    [<ffffffff810b5455>] ? alloc_fd+0x111/0x123
    [<ffffffff810a045a>] do_sys_open+0x57/0xd7
    [<ffffffff810a0503>] sys_open+0x1b/0x1d
    [<ffffffff81001ec2>] system_call_fastpath+0x16/0x1b
    Code: c5 e8 ef 9b 09 00 48 83 c3 08 48 83 3b 00 75 c4 4c 89 e7 48 c7 c6
    87 a7 4c 81 e8 69 95 09 00 41 58 31 c0 5b 41 5c 41 5d c9 c3 55 <48> 8b
    17 31 c0 48 89 e5 48 81 fa 00 01 00 00 75 0b 8b 47 14 d1
    RIP [<ffffffff8101f4dc>] task_is_waking+0x1/0x1f
    RSP <ffff88003cdd9b48>
    CR2: 0000000000000000
    ---[ end trace a8d89f6ae287538f ]---
    note: agetty[951] exited with preempt_count 2


    #
    # Automatically generated make config: don't edit
    # Linux kernel version: 2.6.34-rc1
    # Fri Mar 19 12:49:57 2010
    #
    CONFIG_64BIT=y
    # CONFIG_X86_32 is not set
    CONFIG_X86_64=y
    CONFIG_X86=y
    CONFIG_OUTPUT_FORMAT="elf64-x86-64"
    CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig"
    CONFIG_GENERIC_TIME=y
    CONFIG_GENERIC_CMOS_UPDATE=y
    CONFIG_CLOCKSOURCE_WATCHDOG=y
    CONFIG_GENERIC_CLOCKEVENTS=y
    CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
    CONFIG_LOCKDEP_SUPPORT=y
    CONFIG_STACKTRACE_SUPPORT=y
    CONFIG_HAVE_LATENCYTOP_SUPPORT=y
    CONFIG_MMU=y
    CONFIG_ZONE_DMA=y
    CONFIG_NEED_DMA_MAP_STATE=y
    CONFIG_GENERIC_ISA_DMA=y
    CONFIG_GENERIC_IOMAP=y
    CONFIG_GENERIC_BUG=y
    CONFIG_GENERIC_BUG_RELATIVE_POINTERS=y
    CONFIG_GENERIC_HWEIGHT=y
    CONFIG_ARCH_MAY_HAVE_PC_FDC=y
    # CONFIG_RWSEM_GENERIC_SPINLOCK is not set
    CONFIG_RWSEM_XCHGADD_ALGORITHM=y
    CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
    CONFIG_GENERIC_CALIBRATE_DELAY=y
    CONFIG_GENERIC_TIME_VSYSCALL=y
    CONFIG_ARCH_HAS_CPU_RELAX=y
    CONFIG_ARCH_HAS_DEFAULT_IDLE=y
    CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
    CONFIG_HAVE_SETUP_PER_CPU_AREA=y
    CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y
    CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK=y
    CONFIG_HAVE_CPUMASK_OF_CPU_MAP=y
    CONFIG_ARCH_HIBERNATION_POSSIBLE=y
    CONFIG_ARCH_SUSPEND_POSSIBLE=y
    CONFIG_ZONE_DMA32=y
    CONFIG_ARCH_POPULATES_NODE_MAP=y
    CONFIG_AUDIT_ARCH=y
    CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y
    CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
    CONFIG_HAVE_EARLY_RES=y
    CONFIG_GENERIC_HARDIRQS=y
    CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
    CONFIG_GENERIC_IRQ_PROBE=y
    CONFIG_GENERIC_PENDING_IRQ=y
    CONFIG_USE_GENERIC_SMP_HELPERS=y
    CONFIG_X86_64_SMP=y
    CONFIG_X86_HT=y
    CONFIG_X86_TRAMPOLINE=y
    # CONFIG_KTIME_SCALAR is not set
    CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
    CONFIG_CONSTRUCTORS=y

    #
    # General setup
    #
    CONFIG_EXPERIMENTAL=y
    CONFIG_LOCK_KERNEL=y
    CONFIG_INIT_ENV_ARG_LIMIT=32
    CONFIG_LOCALVERSION=""
    # CONFIG_LOCALVERSION_AUTO is not set
    CONFIG_HAVE_KERNEL_GZIP=y
    CONFIG_HAVE_KERNEL_BZIP2=y
    CONFIG_HAVE_KERNEL_LZMA=y
    CONFIG_HAVE_KERNEL_LZO=y
    # CONFIG_KERNEL_GZIP is not set
    # CONFIG_KERNEL_BZIP2 is not set
    CONFIG_KERNEL_LZMA=y
    # CONFIG_KERNEL_LZO is not set
    CONFIG_SWAP=y
    CONFIG_SYSVIPC=y
    CONFIG_SYSVIPC_SYSCTL=y
    CONFIG_POSIX_MQUEUE=y
    CONFIG_POSIX_MQUEUE_SYSCTL=y
    CONFIG_BSD_PROCESS_ACCT=y
    # CONFIG_BSD_PROCESS_ACCT_V3 is not set
    # CONFIG_TASKSTATS is not set
    CONFIG_AUDIT=y
    CONFIG_AUDITSYSCALL=y
    CONFIG_AUDIT_TREE=y

    #
    # RCU Subsystem
    #
    CONFIG_TREE_RCU=y
    # CONFIG_TREE_PREEMPT_RCU is not set
    # CONFIG_TINY_RCU is not set
    # CONFIG_RCU_TRACE is not set
    CONFIG_RCU_FANOUT=64
    # CONFIG_RCU_FANOUT_EXACT is not set
    # CONFIG_RCU_FAST_NO_HZ is not set
    # CONFIG_TREE_RCU_TRACE is not set
    # CONFIG_IKCONFIG is not set
    CONFIG_LOG_BUF_SHIFT=17
    CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
    # CONFIG_CGROUPS is not set
    # CONFIG_SYSFS_DEPRECATED_V2 is not set
    CONFIG_RELAY=y
    CONFIG_NAMESPACES=y
    CONFIG_UTS_NS=y
    CONFIG_IPC_NS=y
    CONFIG_USER_NS=y
    CONFIG_PID_NS=y
    CONFIG_NET_NS=y
    CONFIG_BLK_DEV_INITRD=y
    CONFIG_INITRAMFS_SOURCE=""
    CONFIG_RD_GZIP=y
    CONFIG_RD_BZIP2=y
    CONFIG_RD_LZMA=y
    CONFIG_RD_LZO=y
    CONFIG_CC_OPTIMIZE_FOR_SIZE=y
    CONFIG_SYSCTL=y
    CONFIG_ANON_INODES=y
    # CONFIG_EMBEDDED is not set
    CONFIG_SYSCTL_SYSCALL=y
    CONFIG_KALLSYMS=y
    CONFIG_KALLSYMS_ALL=y
    CONFIG_KALLSYMS_EXTRA_PASS=y
    CONFIG_HOTPLUG=y
    CONFIG_PRINTK=y
    CONFIG_BUG=y
    CONFIG_ELF_CORE=y
    CONFIG_PCSPKR_PLATFORM=y
    CONFIG_BASE_FULL=y
    CONFIG_FUTEX=y
    CONFIG_EPOLL=y
    CONFIG_SIGNALFD=y
    CONFIG_TIMERFD=y
    CONFIG_EVENTFD=y
    CONFIG_SHMEM=y
    CONFIG_AIO=y
    CONFIG_HAVE_PERF_EVENTS=y

    #
    # Kernel Performance Events And Counters
    #
    CONFIG_PERF_EVENTS=y
    # CONFIG_PERF_COUNTERS is not set
    # CONFIG_DEBUG_PERF_USE_VMALLOC is not set
    CONFIG_VM_EVENT_COUNTERS=y
    CONFIG_PCI_QUIRKS=y
    CONFIG_SLUB_DEBUG=y
    # CONFIG_COMPAT_BRK is not set
    # CONFIG_SLAB is not set
    CONFIG_SLUB=y
    # CONFIG_SLOB is not set
    # CONFIG_PROFILING is not set
    CONFIG_HAVE_OPROFILE=y
    # CONFIG_KPROBES is not set
    CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
    CONFIG_HAVE_IOREMAP_PROT=y
    CONFIG_HAVE_KPROBES=y
    CONFIG_HAVE_KRETPROBES=y
    CONFIG_HAVE_OPTPROBES=y
    CONFIG_HAVE_ARCH_TRACEHOOK=y
    CONFIG_HAVE_DMA_ATTRS=y
    CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
    CONFIG_HAVE_DMA_API_DEBUG=y
    CONFIG_HAVE_HW_BREAKPOINT=y
    CONFIG_HAVE_USER_RETURN_NOTIFIER=y

    #
    # GCOV-based kernel profiling
    #
    # CONFIG_GCOV_KERNEL is not set
    # CONFIG_SLOW_WORK is not set
    # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
    CONFIG_SLABINFO=y
    CONFIG_RT_MUTEXES=y
    CONFIG_BASE_SMALL=0
    CONFIG_MODULES=y
    # CONFIG_MODULE_FORCE_LOAD is not set
    CONFIG_MODULE_UNLOAD=y
    # CONFIG_MODULE_FORCE_UNLOAD is not set
    # CONFIG_MODVERSIONS is not set
    CONFIG_MODULE_SRCVERSION_ALL=y
    CONFIG_STOP_MACHINE=y
    CONFIG_BLOCK=y
    CONFIG_BLK_DEV_BSG=y
    CONFIG_BLK_DEV_INTEGRITY=y

    #
    # IO Schedulers
    #
    CONFIG_IOSCHED_NOOP=y
    # CONFIG_IOSCHED_DEADLINE is not set
    # CONFIG_IOSCHED_CFQ is not set
    # CONFIG_DEFAULT_DEADLINE is not set
    # CONFIG_DEFAULT_CFQ is not set
    CONFIG_DEFAULT_NOOP=y
    CONFIG_DEFAULT_IOSCHED="noop"
    # CONFIG_INLINE_SPIN_TRYLOCK is not set
    # CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
    # CONFIG_INLINE_SPIN_LOCK is not set
    # CONFIG_INLINE_SPIN_LOCK_BH is not set
    # CONFIG_INLINE_SPIN_LOCK_IRQ is not set
    # CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
    # CONFIG_INLINE_SPIN_UNLOCK is not set
    # CONFIG_INLINE_SPIN_UNLOCK_BH is not set
    # CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
    # CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
    # CONFIG_INLINE_READ_TRYLOCK is not set
    # CONFIG_INLINE_READ_LOCK is not set
    # CONFIG_INLINE_READ_LOCK_BH is not set
    # CONFIG_INLINE_READ_LOCK_IRQ is not set
    # CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
    # CONFIG_INLINE_READ_UNLOCK is not set
    # CONFIG_INLINE_READ_UNLOCK_BH is not set
    # CONFIG_INLINE_READ_UNLOCK_IRQ is not set
    # CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
    # CONFIG_INLINE_WRITE_TRYLOCK is not set
    # CONFIG_INLINE_WRITE_LOCK is not set
    # CONFIG_INLINE_WRITE_LOCK_BH is not set
    # CONFIG_INLINE_WRITE_LOCK_IRQ is not set
    # CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
    # CONFIG_INLINE_WRITE_UNLOCK is not set
    # CONFIG_INLINE_WRITE_UNLOCK_BH is not set
    # CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
    # CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
    # CONFIG_MUTEX_SPIN_ON_OWNER is not set
    # CONFIG_FREEZER is not set

    #
    # Processor type and features
    #
    CONFIG_TICK_ONESHOT=y
    CONFIG_NO_HZ=y
    CONFIG_HIGH_RES_TIMERS=y
    CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
    CONFIG_SMP=y
    # CONFIG_SPARSE_IRQ is not set
    # CONFIG_X86_MPPARSE is not set
    # CONFIG_X86_EXTENDED_PLATFORM is not set
    CONFIG_SCHED_OMIT_FRAME_POINTER=y
    CONFIG_PARAVIRT_GUEST=y
    # CONFIG_XEN is not set
    CONFIG_KVM_CLOCK=y
    CONFIG_KVM_GUEST=y
    CONFIG_PARAVIRT=y
    # CONFIG_PARAVIRT_SPINLOCKS is not set
    CONFIG_PARAVIRT_CLOCK=y
    # CONFIG_PARAVIRT_DEBUG is not set
    CONFIG_NO_BOOTMEM=y
    # CONFIG_MEMTEST is not set
    # CONFIG_M386 is not set
    # CONFIG_M486 is not set
    # CONFIG_M586 is not set
    # CONFIG_M586TSC is not set
    # CONFIG_M586MMX is not set
    # CONFIG_M686 is not set
    # CONFIG_MPENTIUMII is not set
    # CONFIG_MPENTIUMIII is not set
    # CONFIG_MPENTIUMM is not set
    # CONFIG_MPENTIUM4 is not set
    # CONFIG_MK6 is not set
    # CONFIG_MK7 is not set
    # CONFIG_MK8 is not set
    # CONFIG_MCRUSOE is not set
    # CONFIG_MEFFICEON is not set
    # CONFIG_MWINCHIPC6 is not set
    # CONFIG_MWINCHIP3D is not set
    # CONFIG_MGEODEGX1 is not set
    # CONFIG_MGEODE_LX is not set
    # CONFIG_MCYRIXIII is not set
    # CONFIG_MVIAC3_2 is not set
    # CONFIG_MVIAC7 is not set
    # CONFIG_MPSC is not set
    CONFIG_MCORE2=y
    # CONFIG_MATOM is not set
    # CONFIG_GENERIC_CPU is not set
    CONFIG_X86_CPU=y
    CONFIG_X86_INTERNODE_CACHE_SHIFT=6
    CONFIG_X86_CMPXCHG=y
    CONFIG_X86_L1_CACHE_SHIFT=6
    CONFIG_X86_XADD=y
    CONFIG_X86_WP_WORKS_OK=y
    CONFIG_X86_INTEL_USERCOPY=y
    CONFIG_X86_USE_PPRO_CHECKSUM=y
    CONFIG_X86_P6_NOP=y
    CONFIG_X86_TSC=y
    CONFIG_X86_CMPXCHG64=y
    CONFIG_X86_CMOV=y
    CONFIG_X86_MINIMUM_CPU_FAMILY=64
    CONFIG_X86_DEBUGCTLMSR=y
    CONFIG_CPU_SUP_INTEL=y
    CONFIG_CPU_SUP_AMD=y
    CONFIG_CPU_SUP_CENTAUR=y
    # CONFIG_X86_DS is not set
    CONFIG_HPET_TIMER=y
    CONFIG_DMI=y
    CONFIG_GART_IOMMU=y
    # CONFIG_CALGARY_IOMMU is not set
    # CONFIG_AMD_IOMMU is not set
    CONFIG_SWIOTLB=y
    CONFIG_IOMMU_HELPER=y
    # CONFIG_IOMMU_API is not set
    # CONFIG_MAXSMP is not set
    CONFIG_NR_CPUS=4
    # CONFIG_SCHED_SMT is not set
    # CONFIG_SCHED_MC is not set
    # CONFIG_PREEMPT_NONE is not set
    # CONFIG_PREEMPT_VOLUNTARY is not set
    CONFIG_PREEMPT=y
    CONFIG_X86_LOCAL_APIC=y
    CONFIG_X86_IO_APIC=y
    CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y
    # CONFIG_X86_MCE is not set
    # CONFIG_I8K is not set
    # CONFIG_MICROCODE is not set
    CONFIG_X86_MSR=y
    CONFIG_X86_CPUID=y
    CONFIG_ARCH_PHYS_ADDR_T_64BIT=y
    CONFIG_DIRECT_GBPAGES=y
    # CONFIG_NUMA is not set
    CONFIG_ARCH_PROC_KCORE_TEXT=y
    CONFIG_ARCH_SPARSEMEM_DEFAULT=y
    CONFIG_ARCH_SPARSEMEM_ENABLE=y
    CONFIG_ARCH_SELECT_MEMORY_MODEL=y
    CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000
    CONFIG_SELECT_MEMORY_MODEL=y
    # CONFIG_FLATMEM_MANUAL is not set
    # CONFIG_DISCONTIGMEM_MANUAL is not set
    CONFIG_SPARSEMEM_MANUAL=y
    CONFIG_SPARSEMEM=y
    CONFIG_HAVE_MEMORY_PRESENT=y
    CONFIG_SPARSEMEM_EXTREME=y
    CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
    CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER=y
    CONFIG_SPARSEMEM_VMEMMAP=y
    # CONFIG_MEMORY_HOTPLUG is not set
    CONFIG_PAGEFLAGS_EXTENDED=y
    CONFIG_SPLIT_PTLOCK_CPUS=999999
    CONFIG_PHYS_ADDR_T_64BIT=y
    CONFIG_ZONE_DMA_FLAG=1
    CONFIG_BOUNCE=y
    CONFIG_VIRT_TO_BUS=y
    # CONFIG_KSM is not set
    CONFIG_DEFAULT_MMAP_MIN_ADDR=32768
    # CONFIG_X86_CHECK_BIOS_CORRUPTION is not set
    CONFIG_X86_RESERVE_LOW_64K=y
    CONFIG_MTRR=y
    CONFIG_MTRR_SANITIZER=y
    CONFIG_MTRR_SANITIZER_ENABLE_DEFAULT=1
    CONFIG_MTRR_SANITIZER_SPARE_REG_NR_DEFAULT=1
    CONFIG_X86_PAT=y
    CONFIG_ARCH_USES_PG_UNCACHED=y
    # CONFIG_EFI is not set
    CONFIG_SECCOMP=y
    # CONFIG_CC_STACKPROTECTOR is not set
    # CONFIG_HZ_100 is not set
    CONFIG_HZ_250=y
    # CONFIG_HZ_300 is not set
    # CONFIG_HZ_1000 is not set
    CONFIG_HZ=250
    CONFIG_SCHED_HRTICK=y
    # CONFIG_KEXEC is not set
    # CONFIG_CRASH_DUMP is not set
    CONFIG_PHYSICAL_START=0x1000000
    # CONFIG_RELOCATABLE is not set
    CONFIG_PHYSICAL_ALIGN=0x1000000
    # CONFIG_HOTPLUG_CPU is not set
    # CONFIG_CMDLINE_BOOL is not set
    CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y

    #
    # Power management and ACPI options
    #
    CONFIG_PM=y
    # CONFIG_PM_DEBUG is not set
    # CONFIG_SUSPEND is not set
    # CONFIG_HIBERNATION is not set
    # CONFIG_PM_RUNTIME is not set
    CONFIG_ACPI=y
    # CONFIG_ACPI_PROCFS is not set
    # CONFIG_ACPI_PROCFS_POWER is not set
    # CONFIG_ACPI_SYSFS_POWER is not set
    # CONFIG_ACPI_PROC_EVENT is not set
    # CONFIG_ACPI_AC is not set
    # CONFIG_ACPI_BATTERY is not set
    # CONFIG_ACPI_BUTTON is not set
    # CONFIG_ACPI_FAN is not set
    CONFIG_ACPI_DOCK=y
    CONFIG_ACPI_PROCESSOR=y
    # CONFIG_ACPI_PROCESSOR_AGGREGATOR is not set
    # CONFIG_ACPI_THERMAL is not set
    # CONFIG_ACPI_CUSTOM_DSDT is not set
    CONFIG_ACPI_BLACKLIST_YEAR=0
    # CONFIG_ACPI_DEBUG is not set
    # CONFIG_ACPI_PCI_SLOT is not set
    CONFIG_X86_PM_TIMER=y
    # CONFIG_ACPI_CONTAINER is not set
    # CONFIG_ACPI_SBS is not set
    # CONFIG_SFI is not set

    #
    # CPU Frequency scaling
    #
    # CONFIG_CPU_FREQ is not set
    CONFIG_CPU_IDLE=y
    CONFIG_CPU_IDLE_GOV_LADDER=y
    CONFIG_CPU_IDLE_GOV_MENU=y

    #
    # Memory power savings
    #
    # CONFIG_I7300_IDLE is not set

    #
    # Bus options (PCI etc.)
    #
    CONFIG_PCI=y
    CONFIG_PCI_DIRECT=y
    # CONFIG_PCI_MMCONFIG is not set
    CONFIG_PCI_DOMAINS=y
    # CONFIG_DMAR is not set
    # CONFIG_INTR_REMAP is not set
    # CONFIG_PCIEPORTBUS is not set
    CONFIG_ARCH_SUPPORTS_MSI=y
    CONFIG_PCI_MSI=y
    # CONFIG_PCI_DEBUG is not set
    # CONFIG_PCI_STUB is not set
    CONFIG_HT_IRQ=y
    # CONFIG_PCI_IOV is not set
    CONFIG_PCI_IOAPIC=y
    CONFIG_ISA_DMA_API=y
    CONFIG_K8_NB=y
    # CONFIG_PCCARD is not set
    CONFIG_HOTPLUG_PCI=y
    # CONFIG_HOTPLUG_PCI_FAKE is not set
    # CONFIG_HOTPLUG_PCI_ACPI is not set
    # CONFIG_HOTPLUG_PCI_CPCI is not set
    # CONFIG_HOTPLUG_PCI_SHPC is not set

    #
    # Executable file formats / Emulations
    #
    CONFIG_BINFMT_ELF=y
    CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
    # CONFIG_HAVE_AOUT is not set
    # CONFIG_BINFMT_MISC is not set
    # CONFIG_IA32_EMULATION is not set
    # CONFIG_COMPAT_FOR_U64_ALIGNMENT is not set
    CONFIG_NET=y

    #
    # Networking options
    #
    CONFIG_PACKET=y
    CONFIG_UNIX=y
    # CONFIG_NET_KEY is not set
    CONFIG_INET=y
    # CONFIG_IP_MULTICAST is not set
    # CONFIG_IP_ADVANCED_ROUTER is not set
    CONFIG_IP_FIB_HASH=y
    # CONFIG_IP_PNP is not set
    # CONFIG_NET_IPIP is not set
    # CONFIG_NET_IPGRE is not set
    # CONFIG_ARPD is not set
    # CONFIG_SYN_COOKIES is not set
    # CONFIG_INET_AH is not set
    # CONFIG_INET_ESP is not set
    # CONFIG_INET_IPCOMP is not set
    # CONFIG_INET_XFRM_TUNNEL is not set
    # CONFIG_INET_TUNNEL is not set
    # CONFIG_INET_XFRM_MODE_TRANSPORT is not set
    # CONFIG_INET_XFRM_MODE_TUNNEL is not set
    # CONFIG_INET_XFRM_MODE_BEET is not set
    # CONFIG_INET_LRO is not set
    # CONFIG_INET_DIAG is not set
    # CONFIG_TCP_CONG_ADVANCED is not set
    CONFIG_TCP_CONG_CUBIC=y
    CONFIG_DEFAULT_TCP_CONG="cubic"
    # CONFIG_TCP_MD5SIG is not set
    # CONFIG_IPV6 is not set
    # CONFIG_NETWORK_SECMARK is not set
    # CONFIG_NETFILTER is not set
    # CONFIG_IP_DCCP is not set
    # CONFIG_IP_SCTP is not set
    # CONFIG_RDS is not set
    # CONFIG_TIPC is not set
    # CONFIG_ATM is not set
    # CONFIG_BRIDGE is not set
    # CONFIG_NET_DSA is not set
    # CONFIG_VLAN_8021Q is not set
    # CONFIG_DECNET is not set
    # CONFIG_LLC2 is not set
    # CONFIG_IPX is not set
    # CONFIG_ATALK is not set
    # CONFIG_X25 is not set
    # CONFIG_LAPB is not set
    # CONFIG_ECONET is not set
    # CONFIG_WAN_ROUTER is not set
    # CONFIG_PHONET is not set
    # CONFIG_IEEE802154 is not set
    # CONFIG_NET_SCHED is not set
    # CONFIG_DCB is not set

    #
    # Network testing
    #
    # CONFIG_NET_PKTGEN is not set
    # CONFIG_HAMRADIO is not set
    # CONFIG_CAN is not set
    # CONFIG_IRDA is not set
    # CONFIG_BT is not set
    # CONFIG_AF_RXRPC is not set
    # CONFIG_WIRELESS is not set
    # CONFIG_WIMAX is not set
    # CONFIG_RFKILL is not set
    # CONFIG_NET_9P is not set

    #
    # Device Drivers
    #

    #
    # Generic Driver Options
    #
    CONFIG_UEVENT_HELPER_PATH=""
    # CONFIG_DEVTMPFS is not set
    CONFIG_STANDALONE=y
    CONFIG_PREVENT_FIRMWARE_BUILD=y
    CONFIG_FW_LOADER=y
    # CONFIG_FIRMWARE_IN_KERNEL is not set
    CONFIG_EXTRA_FIRMWARE=""
    # CONFIG_DEBUG_DRIVER is not set
    CONFIG_DEBUG_DEVRES=y
    # CONFIG_SYS_HYPERVISOR is not set
    # CONFIG_CONNECTOR is not set
    # CONFIG_MTD is not set
    # CONFIG_PARPORT is not set
    CONFIG_PNP=y
    CONFIG_PNP_DEBUG_MESSAGES=y

    #
    # Protocols
    #
    CONFIG_PNPACPI=y
    CONFIG_BLK_DEV=y
    # CONFIG_BLK_DEV_FD is not set
    # CONFIG_BLK_CPQ_DA is not set
    # CONFIG_BLK_CPQ_CISS_DA is not set
    # CONFIG_BLK_DEV_DAC960 is not set
    # CONFIG_BLK_DEV_UMEM is not set
    # CONFIG_BLK_DEV_COW_COMMON is not set
    CONFIG_BLK_DEV_LOOP=y
    # CONFIG_BLK_DEV_CRYPTOLOOP is not set

    #
    # DRBD disabled because PROC_FS, INET or CONNECTOR not selected
    #
    # CONFIG_BLK_DEV_NBD is not set
    # CONFIG_BLK_DEV_SX8 is not set
    CONFIG_BLK_DEV_RAM=y
    CONFIG_BLK_DEV_RAM_COUNT=16
    CONFIG_BLK_DEV_RAM_SIZE=16384
    # CONFIG_BLK_DEV_XIP is not set
    # CONFIG_CDROM_PKTCDVD is not set
    # CONFIG_ATA_OVER_ETH is not set
    CONFIG_VIRTIO_BLK=y
    # CONFIG_BLK_DEV_HD is not set
    # CONFIG_MISC_DEVICES is not set
    CONFIG_HAVE_IDE=y
    # CONFIG_IDE is not set

    #
    # SCSI device support
    #
    CONFIG_SCSI_MOD=y
    # CONFIG_RAID_ATTRS is not set
    CONFIG_SCSI=y
    CONFIG_SCSI_DMA=y
    # CONFIG_SCSI_TGT is not set
    # CONFIG_SCSI_NETLINK is not set
    # CONFIG_SCSI_PROC_FS is not set

    #
    # SCSI support type (disk, tape, CD-ROM)
    #
    CONFIG_BLK_DEV_SD=y
    # CONFIG_CHR_DEV_ST is not set
    # CONFIG_CHR_DEV_OSST is not set
    # CONFIG_BLK_DEV_SR is not set
    # CONFIG_CHR_DEV_SG is not set
    # CONFIG_CHR_DEV_SCH is not set
    # CONFIG_SCSI_MULTI_LUN is not set
    # CONFIG_SCSI_CONSTANTS is not set
    # CONFIG_SCSI_LOGGING is not set
    # CONFIG_SCSI_SCAN_ASYNC is not set
    CONFIG_SCSI_WAIT_SCAN=m

    #
    # SCSI Transports
    #
    # CONFIG_SCSI_SPI_ATTRS is not set
    # CONFIG_SCSI_FC_ATTRS is not set
    # CONFIG_SCSI_ISCSI_ATTRS is not set
    # CONFIG_SCSI_SAS_ATTRS is not set
    # CONFIG_SCSI_SAS_LIBSAS is not set
    # CONFIG_SCSI_SRP_ATTRS is not set
    # CONFIG_SCSI_LOWLEVEL is not set
    # CONFIG_SCSI_DH is not set
    # CONFIG_SCSI_OSD_INITIATOR is not set
    CONFIG_ATA=y
    # CONFIG_ATA_NONSTANDARD is not set
    # CONFIG_ATA_VERBOSE_ERROR is not set
    # CONFIG_ATA_ACPI is not set
    # CONFIG_SATA_PMP is not set
    # CONFIG_SATA_AHCI is not set
    # CONFIG_SATA_SIL24 is not set
    CONFIG_ATA_SFF=y
    # CONFIG_SATA_SVW is not set
    CONFIG_ATA_PIIX=y
    # CONFIG_SATA_MV is not set
    # CONFIG_SATA_NV is not set
    # CONFIG_PDC_ADMA is not set
    # CONFIG_SATA_QSTOR is not set
    # CONFIG_SATA_PROMISE is not set
    # CONFIG_SATA_SX4 is not set
    # CONFIG_SATA_SIL is not set
    # CONFIG_SATA_SIS is not set
    # CONFIG_SATA_ULI is not set
    # CONFIG_SATA_VIA is not set
    # CONFIG_SATA_VITESSE is not set
    # CONFIG_SATA_INIC162X is not set
    # CONFIG_PATA_ALI is not set
    # CONFIG_PATA_AMD is not set
    # CONFIG_PATA_ARTOP is not set
    # CONFIG_PATA_ATP867X is not set
    # CONFIG_PATA_ATIIXP is not set
    # CONFIG_PATA_CMD640_PCI is not set
    # CONFIG_PATA_CMD64X is not set
    # CONFIG_PATA_CS5520 is not set
    # CONFIG_PATA_CS5530 is not set
    # CONFIG_PATA_CYPRESS is not set
    # CONFIG_PATA_EFAR is not set
    # CONFIG_ATA_GENERIC is not set
    # CONFIG_PATA_HPT366 is not set
    # CONFIG_PATA_HPT37X is not set
    # CONFIG_PATA_HPT3X2N is not set
    # CONFIG_PATA_HPT3X3 is not set
    # CONFIG_PATA_IT821X is not set
    # CONFIG_PATA_IT8213 is not set
    # CONFIG_PATA_JMICRON is not set
    # CONFIG_PATA_LEGACY is not set
    # CONFIG_PATA_TRIFLEX is not set
    # CONFIG_PATA_MARVELL is not set
    # CONFIG_PATA_MPIIX is not set
    # CONFIG_PATA_OLDPIIX is not set
    # CONFIG_PATA_NETCELL is not set
    # CONFIG_PATA_NINJA32 is not set
    # CONFIG_PATA_NS87410 is not set
    # CONFIG_PATA_NS87415 is not set
    # CONFIG_PATA_OPTI is not set
    # CONFIG_PATA_OPTIDMA is not set
    # CONFIG_PATA_PDC2027X is not set
    # CONFIG_PATA_PDC_OLD is not set
    # CONFIG_PATA_RADISYS is not set
    # CONFIG_PATA_RDC is not set
    # CONFIG_PATA_RZ1000 is not set
    # CONFIG_PATA_SC1200 is not set
    # CONFIG_PATA_SERVERWORKS is not set
    # CONFIG_PATA_SIL680 is not set
    # CONFIG_PATA_SIS is not set
    # CONFIG_PATA_TOSHIBA is not set
    # CONFIG_PATA_VIA is not set
    # CONFIG_PATA_WINBOND is not set
    # CONFIG_PATA_SCH is not set
    # CONFIG_MD is not set
    # CONFIG_FUSION is not set

    #
    # IEEE 1394 (FireWire) support
    #

    #
    # You can enable one or both FireWire driver stacks.
    #

    #
    # The newer stack is recommended.
    #
    # CONFIG_FIREWIRE is not set
    # CONFIG_IEEE1394 is not set
    # CONFIG_I2O is not set
    # CONFIG_MACINTOSH_DRIVERS is not set
    CONFIG_NETDEVICES=y
    # CONFIG_DUMMY is not set
    # CONFIG_BONDING is not set
    # CONFIG_MACVLAN is not set
    # CONFIG_EQUALIZER is not set
    # CONFIG_TUN is not set
    # CONFIG_VETH is not set
    # CONFIG_NET_SB1000 is not set
    # CONFIG_ARCNET is not set
    # CONFIG_NET_ETHERNET is not set
    CONFIG_NETDEV_1000=y
    # CONFIG_ACENIC is not set
    # CONFIG_DL2K is not set
    # CONFIG_E1000 is not set
    CONFIG_E1000E=y
    # CONFIG_IP1000 is not set
    # CONFIG_IGB is not set
    # CONFIG_IGBVF is not set
    # CONFIG_NS83820 is not set
    # CONFIG_HAMACHI is not set
    # CONFIG_YELLOWFIN is not set
    # CONFIG_R8169 is not set
    # CONFIG_SIS190 is not set
    # CONFIG_SKGE is not set
    # CONFIG_SKY2 is not set
    # CONFIG_VIA_VELOCITY is not set
    # CONFIG_TIGON3 is not set
    # CONFIG_BNX2 is not set
    # CONFIG_CNIC is not set
    # CONFIG_QLA3XXX is not set
    # CONFIG_ATL1 is not set
    # CONFIG_ATL1E is not set
    # CONFIG_ATL1C is not set
    # CONFIG_JME is not set
    # CONFIG_NETDEV_10000 is not set
    # CONFIG_TR is not set
    # CONFIG_WLAN is not set

    #
    # Enable WiMAX (Networking options) to see the WiMAX drivers
    #
    # CONFIG_WAN is not set
    # CONFIG_FDDI is not set
    # CONFIG_HIPPI is not set
    # CONFIG_PPP is not set
    # CONFIG_SLIP is not set
    # CONFIG_NET_FC is not set
    # CONFIG_NETCONSOLE is not set
    # CONFIG_NETPOLL is not set
    # CONFIG_NET_POLL_CONTROLLER is not set
    CONFIG_VIRTIO_NET=y
    # CONFIG_VMXNET3 is not set
    # CONFIG_ISDN is not set
    # CONFIG_PHONE is not set

    #
    # Input device support
    #
    CONFIG_INPUT=y
    # CONFIG_INPUT_FF_MEMLESS is not set
    # CONFIG_INPUT_POLLDEV is not set
    # CONFIG_INPUT_SPARSEKMAP is not set

    #
    # Userland interfaces
    #
    CONFIG_INPUT_MOUSEDEV=y
    # CONFIG_INPUT_MOUSEDEV_PSAUX is not set
    CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
    CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
    # CONFIG_INPUT_JOYDEV is not set
    # CONFIG_INPUT_EVDEV is not set
    # CONFIG_INPUT_EVBUG is not set

    #
    # Input Device Drivers
    #
    CONFIG_INPUT_KEYBOARD=y
    CONFIG_KEYBOARD_ATKBD=y
    # CONFIG_KEYBOARD_LKKBD is not set
    # CONFIG_KEYBOARD_NEWTON is not set
    # CONFIG_KEYBOARD_OPENCORES is not set
    # CONFIG_KEYBOARD_STOWAWAY is not set
    # CONFIG_KEYBOARD_SUNKBD is not set
    # CONFIG_KEYBOARD_XTKBD is not set
    # CONFIG_INPUT_MOUSE is not set
    # CONFIG_INPUT_JOYSTICK is not set
    # CONFIG_INPUT_TABLET is not set
    # CONFIG_INPUT_TOUCHSCREEN is not set
    # CONFIG_INPUT_MISC is not set

    #
    # Hardware I/O ports
    #
    CONFIG_SERIO=y
    CONFIG_SERIO_I8042=y
    CONFIG_SERIO_SERPORT=y
    # CONFIG_SERIO_CT82C710 is not set
    # CONFIG_SERIO_PCIPS2 is not set
    CONFIG_SERIO_LIBPS2=y
    CONFIG_SERIO_RAW=y
    # CONFIG_SERIO_ALTERA_PS2 is not set
    # CONFIG_GAMEPORT is not set

    #
    # Character devices
    #
    CONFIG_VT=y
    CONFIG_CONSOLE_TRANSLATIONS=y
    CONFIG_VT_CONSOLE=y
    CONFIG_HW_CONSOLE=y
    CONFIG_VT_HW_CONSOLE_BINDING=y
    # CONFIG_DEVKMEM is not set
    # CONFIG_SERIAL_NONSTANDARD is not set
    # CONFIG_NOZOMI is not set

    #
    # Serial drivers
    #
    CONFIG_SERIAL_8250=y
    CONFIG_SERIAL_8250_CONSOLE=y
    CONFIG_FIX_EARLYCON_MEM=y
    CONFIG_SERIAL_8250_PCI=y
    CONFIG_SERIAL_8250_PNP=y
    CONFIG_SERIAL_8250_NR_UARTS=32
    CONFIG_SERIAL_8250_RUNTIME_UARTS=4
    CONFIG_SERIAL_8250_EXTENDED=y
    CONFIG_SERIAL_8250_MANY_PORTS=y
    CONFIG_SERIAL_8250_SHARE_IRQ=y
    CONFIG_SERIAL_8250_DETECT_IRQ=y
    CONFIG_SERIAL_8250_RSA=y

    #
    # Non-8250 serial port support
    #
    CONFIG_SERIAL_CORE=y
    CONFIG_SERIAL_CORE_CONSOLE=y
    CONFIG_SERIAL_JSM=m
    # CONFIG_SERIAL_TIMBERDALE is not set
    CONFIG_UNIX98_PTYS=y
    CONFIG_DEVPTS_MULTIPLE_INSTANCES=y
    # CONFIG_LEGACY_PTYS is not set
    CONFIG_HVC_DRIVER=y
    CONFIG_VIRTIO_CONSOLE=y
    # CONFIG_IPMI_HANDLER is not set
    # CONFIG_HW_RANDOM is not set
    CONFIG_NVRAM=y
    # CONFIG_RTC is not set
    # CONFIG_GEN_RTC is not set
    # CONFIG_R3964 is not set
    # CONFIG_APPLICOM is not set
    # CONFIG_MWAVE is not set
    # CONFIG_PC8736x_GPIO is not set
    CONFIG_RAW_DRIVER=y
    CONFIG_MAX_RAW_DEVS=8192
    # CONFIG_HPET is not set
    # CONFIG_HANGCHECK_TIMER is not set
    # CONFIG_TCG_TPM is not set
    # CONFIG_TELCLOCK is not set
    CONFIG_DEVPORT=y
    # CONFIG_I2C is not set
    # CONFIG_SPI is not set

    #
    # PPS support
    #
    # CONFIG_PPS is not set
    CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
    # CONFIG_GPIOLIB is not set
    # CONFIG_W1 is not set
    # CONFIG_POWER_SUPPLY is not set
    # CONFIG_HWMON is not set
    CONFIG_THERMAL=y
    # CONFIG_WATCHDOG is not set
    CONFIG_SSB_POSSIBLE=y

    #
    # Sonics Silicon Backplane
    #
    # CONFIG_SSB is not set

    #
    # Multifunction device drivers
    #
    # CONFIG_MFD_CORE is not set
    # CONFIG_MFD_SM501 is not set
    # CONFIG_HTC_PASIC3 is not set
    # CONFIG_MFD_TMIO is not set
    # CONFIG_LPC_SCH is not set
    # CONFIG_REGULATOR is not set
    # CONFIG_MEDIA_SUPPORT is not set

    #
    # Graphics support
    #
    CONFIG_AGP=y
    CONFIG_AGP_AMD64=y
    # CONFIG_AGP_INTEL is not set
    # CONFIG_AGP_SIS is not set
    # CONFIG_AGP_VIA is not set
    CONFIG_VGA_ARB=y
    CONFIG_VGA_ARB_MAX_GPUS=1
    # CONFIG_VGA_SWITCHEROO is not set
    # CONFIG_DRM is not set
    # CONFIG_VGASTATE is not set
    # CONFIG_VIDEO_OUTPUT_CONTROL is not set
    # CONFIG_FB is not set
    # CONFIG_BACKLIGHT_LCD_SUPPORT is not set

    #
    # Display device support
    #
    # CONFIG_DISPLAY_SUPPORT is not set

    #
    # Console display driver support
    #
    CONFIG_VGA_CONSOLE=y
    CONFIG_VGACON_SOFT_SCROLLBACK=y
    CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=64
    CONFIG_DUMMY_CONSOLE=y
    # CONFIG_SOUND is not set
    # CONFIG_HID_SUPPORT is not set
    # CONFIG_USB_SUPPORT is not set
    # CONFIG_UWB is not set
    # CONFIG_MMC is not set
    # CONFIG_MEMSTICK is not set
    # CONFIG_NEW_LEDS is not set
    # CONFIG_ACCESSIBILITY is not set
    # CONFIG_INFINIBAND is not set
    # CONFIG_EDAC is not set
    # CONFIG_RTC_CLASS is not set
    # CONFIG_DMADEVICES is not set
    # CONFIG_AUXDISPLAY is not set
    # CONFIG_UIO is not set

    #
    # TI VLYNQ
    #
    # CONFIG_STAGING is not set
    # CONFIG_X86_PLATFORM_DEVICES is not set

    #
    # Firmware Drivers
    #
    # CONFIG_EDD is not set
    CONFIG_FIRMWARE_MEMMAP=y
    # CONFIG_DELL_RBU is not set
    # CONFIG_DCDBAS is not set
    # CONFIG_DMIID is not set
    # CONFIG_ISCSI_IBFT_FIND is not set

    #
    # File systems
    #
    # CONFIG_EXT2_FS is not set
    # CONFIG_EXT3_FS is not set
    CONFIG_EXT4_FS=y
    CONFIG_EXT4_USE_FOR_EXT23=y
    CONFIG_EXT4_FS_XATTR=y
    CONFIG_EXT4_FS_POSIX_ACL=y
    CONFIG_EXT4_FS_SECURITY=y
    # CONFIG_EXT4_DEBUG is not set
    CONFIG_JBD2=y
    CONFIG_JBD2_DEBUG=y
    CONFIG_FS_MBCACHE=y
    # CONFIG_REISERFS_FS is not set
    # CONFIG_JFS_FS is not set
    CONFIG_FS_POSIX_ACL=y
    # CONFIG_XFS_FS is not set
    # CONFIG_GFS2_FS is not set
    # CONFIG_OCFS2_FS is not set
    # CONFIG_BTRFS_FS is not set
    # CONFIG_NILFS2_FS is not set
    CONFIG_FILE_LOCKING=y
    # CONFIG_FSNOTIFY is not set
    # CONFIG_DNOTIFY is not set
    CONFIG_INOTIFY=y
    # CONFIG_INOTIFY_USER is not set
    # CONFIG_QUOTA is not set
    # CONFIG_AUTOFS_FS is not set
    # CONFIG_AUTOFS4_FS is not set
    # CONFIG_FUSE_FS is not set
    CONFIG_GENERIC_ACL=y

    #
    # Caches
    #
    # CONFIG_FSCACHE is not set

    #
    # CD-ROM/DVD Filesystems
    #
    # CONFIG_ISO9660_FS is not set
    # CONFIG_UDF_FS is not set

    #
    # DOS/FAT/NT Filesystems
    #
    # CONFIG_MSDOS_FS is not set
    # CONFIG_VFAT_FS is not set
    # CONFIG_NTFS_FS is not set

    #
    # Pseudo filesystems
    #
    CONFIG_PROC_FS=y
    CONFIG_PROC_KCORE=y
    CONFIG_PROC_SYSCTL=y
    CONFIG_PROC_PAGE_MONITOR=y
    CONFIG_SYSFS=y
    CONFIG_TMPFS=y
    CONFIG_TMPFS_POSIX_ACL=y
    CONFIG_HUGETLBFS=y
    CONFIG_HUGETLB_PAGE=y
    CONFIG_CONFIGFS_FS=y
    # CONFIG_MISC_FILESYSTEMS is not set
    # CONFIG_NETWORK_FILESYSTEMS is not set

    #
    # Partition Types
    #
    CONFIG_PARTITION_ADVANCED=y
    # CONFIG_ACORN_PARTITION is not set
    # CONFIG_OSF_PARTITION is not set
    # CONFIG_AMIGA_PARTITION is not set
    # CONFIG_ATARI_PARTITION is not set
    # CONFIG_MAC_PARTITION is not set
    CONFIG_MSDOS_PARTITION=y
    CONFIG_BSD_DISKLABEL=y
    CONFIG_MINIX_SUBPARTITION=y
    CONFIG_SOLARIS_X86_PARTITION=y
    CONFIG_UNIXWARE_DISKLABEL=y
    # CONFIG_LDM_PARTITION is not set
    # CONFIG_SGI_PARTITION is not set
    # CONFIG_ULTRIX_PARTITION is not set
    # CONFIG_SUN_PARTITION is not set
    # CONFIG_KARMA_PARTITION is not set
    # CONFIG_EFI_PARTITION is not set
    # CONFIG_SYSV68_PARTITION is not set
    # CONFIG_NLS is not set
    # CONFIG_DLM is not set

    #
    # Kernel hacking
    #
    CONFIG_TRACE_IRQFLAGS_SUPPORT=y
    # CONFIG_PRINTK_TIME is not set
    # CONFIG_ENABLE_WARN_DEPRECATED is not set
    CONFIG_ENABLE_MUST_CHECK=y
    CONFIG_FRAME_WARN=2048
    CONFIG_MAGIC_SYSRQ=y
    # CONFIG_STRIP_ASM_SYMS is not set
    CONFIG_UNUSED_SYMBOLS=y
    CONFIG_DEBUG_FS=y
    CONFIG_HEADERS_CHECK=y
    CONFIG_DEBUG_KERNEL=y
    # CONFIG_DEBUG_SHIRQ is not set
    CONFIG_DETECT_SOFTLOCKUP=y
    # CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
    CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
    CONFIG_DETECT_HUNG_TASK=y
    # CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
    CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
    CONFIG_SCHED_DEBUG=y
    CONFIG_SCHEDSTATS=y
    CONFIG_TIMER_STATS=y
    # CONFIG_DEBUG_OBJECTS is not set
    CONFIG_SLUB_DEBUG_ON=y
    # CONFIG_SLUB_STATS is not set
    CONFIG_DEBUG_KMEMLEAK=y
    CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE=400
    # CONFIG_DEBUG_KMEMLEAK_TEST is not set
    CONFIG_DEBUG_PREEMPT=y
    CONFIG_DEBUG_RT_MUTEXES=y
    CONFIG_DEBUG_PI_LIST=y
    # CONFIG_RT_MUTEX_TESTER is not set
    CONFIG_DEBUG_SPINLOCK=y
    CONFIG_DEBUG_MUTEXES=y
    CONFIG_DEBUG_LOCK_ALLOC=y
    CONFIG_PROVE_LOCKING=y
    # CONFIG_PROVE_RCU is not set
    CONFIG_LOCKDEP=y
    CONFIG_LOCK_STAT=y
    # CONFIG_DEBUG_LOCKDEP is not set
    CONFIG_TRACE_IRQFLAGS=y
    CONFIG_DEBUG_SPINLOCK_SLEEP=y
    # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
    CONFIG_STACKTRACE=y
    # CONFIG_DEBUG_KOBJECT is not set
    CONFIG_DEBUG_BUGVERBOSE=y
    CONFIG_DEBUG_INFO=y
    # CONFIG_DEBUG_VM is not set
    # CONFIG_DEBUG_VIRTUAL is not set
    # CONFIG_DEBUG_WRITECOUNT is not set
    CONFIG_DEBUG_MEMORY_INIT=y
    CONFIG_DEBUG_LIST=y
    CONFIG_DEBUG_SG=y
    # CONFIG_DEBUG_NOTIFIERS is not set
    # CONFIG_DEBUG_CREDENTIALS is not set
    CONFIG_ARCH_WANT_FRAME_POINTERS=y
    CONFIG_FRAME_POINTER=y
    CONFIG_BOOT_PRINTK_DELAY=y
    # CONFIG_RCU_TORTURE_TEST is not set
    # CONFIG_RCU_CPU_STALL_DETECTOR is not set
    # CONFIG_BACKTRACE_SELF_TEST is not set
    # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
    # CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
    # CONFIG_LKDTM is not set
    # CONFIG_FAULT_INJECTION is not set
    CONFIG_LATENCYTOP=y
    # CONFIG_SYSCTL_SYSCALL_CHECK is not set
    CONFIG_DEBUG_PAGEALLOC=y
    CONFIG_USER_STACKTRACE_SUPPORT=y
    CONFIG_HAVE_FUNCTION_TRACER=y
    CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
    CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST=y
    CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
    CONFIG_HAVE_DYNAMIC_FTRACE=y
    CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
    CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
    CONFIG_TRACING_SUPPORT=y
    # CONFIG_FTRACE is not set
    # CONFIG_PROVIDE_OHCI1394_DMA_INIT is not set
    # CONFIG_BUILD_DOCSRC is not set
    # CONFIG_DYNAMIC_DEBUG is not set
    # CONFIG_DMA_API_DEBUG is not set
    # CONFIG_SAMPLES is not set
    CONFIG_HAVE_ARCH_KGDB=y
    # CONFIG_KGDB is not set
    CONFIG_HAVE_ARCH_KMEMCHECK=y
    CONFIG_STRICT_DEVMEM=y
    # CONFIG_X86_VERBOSE_BOOTUP is not set
    CONFIG_EARLY_PRINTK=y
    # CONFIG_EARLY_PRINTK_DBGP is not set
    CONFIG_DEBUG_STACKOVERFLOW=y
    # CONFIG_DEBUG_STACK_USAGE is not set
    # CONFIG_DEBUG_PER_CPU_MAPS is not set
    # CONFIG_X86_PTDUMP is not set
    CONFIG_DEBUG_RODATA=y
    CONFIG_DEBUG_RODATA_TEST=y
    # CONFIG_DEBUG_NX_TEST 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
    CONFIG_IO_DELAY_TYPE_0XED=1
    CONFIG_IO_DELAY_TYPE_UDELAY=2
    CONFIG_IO_DELAY_TYPE_NONE=3
    CONFIG_IO_DELAY_0X80=y
    # CONFIG_IO_DELAY_0XED is not set
    # CONFIG_IO_DELAY_UDELAY is not set
    # CONFIG_IO_DELAY_NONE is not set
    CONFIG_DEFAULT_IO_DELAY_TYPE=0
    CONFIG_DEBUG_BOOT_PARAMS=y
    # CONFIG_CPA_DEBUG is not set
    CONFIG_OPTIMIZE_INLINING=y
    # CONFIG_DEBUG_STRICT_USER_COPY_CHECKS is not set

    #
    # Security options
    #
    # CONFIG_KEYS is not set
    # CONFIG_SECURITY is not set
    # CONFIG_SECURITYFS is not set
    # CONFIG_DEFAULT_SECURITY_SELINUX is not set
    # CONFIG_DEFAULT_SECURITY_SMACK is not set
    # CONFIG_DEFAULT_SECURITY_TOMOYO is not set
    CONFIG_DEFAULT_SECURITY_DAC=y
    CONFIG_DEFAULT_SECURITY=""
    # CONFIG_CRYPTO is not set
    CONFIG_HAVE_KVM=y
    CONFIG_VIRTUALIZATION=y
    # CONFIG_KVM is not set
    # CONFIG_VHOST_NET is not set
    CONFIG_VIRTIO=y
    CONFIG_VIRTIO_RING=y
    CONFIG_VIRTIO_PCI=y
    CONFIG_VIRTIO_BALLOON=y
    # CONFIG_BINARY_PRINTF is not set

    #
    # Library routines
    #
    CONFIG_BITREVERSE=y
    CONFIG_GENERIC_FIND_FIRST_BIT=y
    CONFIG_GENERIC_FIND_NEXT_BIT=y
    CONFIG_GENERIC_FIND_LAST_BIT=y
    # CONFIG_CRC_CCITT is not set
    CONFIG_CRC16=y
    CONFIG_CRC_T10DIF=y
    # CONFIG_CRC_ITU_T is not set
    CONFIG_CRC32=y
    # CONFIG_CRC7 is not set
    # CONFIG_LIBCRC32C is not set
    CONFIG_ZLIB_INFLATE=y
    CONFIG_LZO_DECOMPRESS=y
    CONFIG_DECOMPRESS_GZIP=y
    CONFIG_DECOMPRESS_BZIP2=y
    CONFIG_DECOMPRESS_LZMA=y
    CONFIG_DECOMPRESS_LZO=y
    CONFIG_HAS_IOMEM=y
    CONFIG_HAS_IOPORT=y
    CONFIG_HAS_DMA=y
    CONFIG_NLATTR=y



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      Last update: 2010-03-21 05:43    [W:0.124 / U:1.408 seconds]
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