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Date: Mon, 18 Jan 2010 22:24:14 +0200
From: Alexey Dobriyan <adobriyan@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: akpm@linux-foundation.org
Subject: what's up with "make -j N" output?
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Script does effectively:

	make -k -j5 &>1.log

What's inside:

  C  LD      drivers/input/built-in.o
  ^^^^^
  CC      fs/sysfs/symlink.o
  CC [M]  net/bluetooth/l2cap.o
  CC [M]  drivers/ide/ide-eh.o
  CC [M]  drivers/ide/ide-proc.o
  CC      net/core/skbuff.o
  CC      fs/sysfs/mount.o
  CC      fs/sysfs/bin.o
o					<===
  CC [M]  drivers/ide/ide-gd.o
  CC      fs/sysfs/group.o
  LD      fs/sysfs/built-in.o
  CC [M]  drivers/ide/ide-disk.o
  CC      fs/anon_inodes.o

  	...


  CC      drivers/mmc/core/sdio_cis.o
  CC      lib/div64.o
54/built-in.o				<===
  CC      net/ipv4/route.o


IIRC, I never saw this before.
Maybe something wasn't guaranteed before, but, hey, logs are crap now.

Kernel is 2.6.33-rc4-00204-g7dc9c48, x86_64

CONFIG_PREEMPT=y
CONFIG_HZ=100

# CONFIG_DEBUG_PERF_USE_VMALLOC is not set
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_DEBUG_FS is not set
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_SHIRQ=y
CONFIG_DEBUG_OBJECTS=y
# CONFIG_DEBUG_OBJECTS_SELFTEST is not set
CONFIG_DEBUG_OBJECTS_FREE=y
CONFIG_DEBUG_OBJECTS_TIMERS=y
CONFIG_DEBUG_OBJECTS_WORK=y
CONFIG_DEBUG_OBJECTS_ENABLE_DEFAULT=1
# CONFIG_DEBUG_KMEMLEAK is not set
CONFIG_DEBUG_PREEMPT=y
CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_DEBUG_PI_LIST=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_LOCK_ALLOC=y
# CONFIG_DEBUG_LOCKDEP is not set
CONFIG_DEBUG_SPINLOCK_SLEEP=y
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_DEBUG_KOBJECT is not set
CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_VM=y
CONFIG_DEBUG_VIRTUAL=y
CONFIG_DEBUG_WRITECOUNT=y
CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_DEBUG_LIST=y
CONFIG_DEBUG_SG=y
CONFIG_DEBUG_NOTIFIERS=y
# CONFIG_DEBUG_CREDENTIALS is not set
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
CONFIG_DEBUG_PAGEALLOC=y
CONFIG_DEBUG_STACKOVERFLOW=y
CONFIG_DEBUG_STACK_USAGE=y
CONFIG_DEBUG_PER_CPU_MAPS=y
CONFIG_DEBUG_RODATA=y
CONFIG_DEBUG_RODATA_TEST=y
CONFIG_DEBUG_STRICT_USER_COPY_CHECKS=y