Commit c2330e28 authored by Linus Torvalds's avatar Linus Torvalds

Merge branch 'arm/defconfig/reduced-v2.6.35-rc1' of git://git.pengutronix.de/git/ukl/linux-2.6

* 'arm/defconfig/reduced-v2.6.35-rc1' of git://git.pengutronix.de/git/ukl/linux-2.6:
  ARM: reduce defconfigs

This is a big change, but results in no loss of information, despite us
losing almost 200k lines:

 177 files changed, 652 insertions(+), 194157 deletions(-)

and Grant Likely thinks powerpc can also use the same reduction
technique.

The python script that did the reduction looks like this:

    #! /usr/bin/env python
    # vim: set fileencoding=utf-8 :
    # Copyright (C) 2010 by Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

    import re
    import subprocess
    import os
    import sys

    # This prevents including a timestamp in the .config which makes comparing a
    # bit easier.
    os.environ['KCONFIG_NOTIMESTAMP'] = 'Yes, please'

    # XXX: get these using getopt
    kernel_tree = '' # os.path.join(os.environ['HOME'], 'gsrc', 'linux-2.6')
    arch = 'arm'
    target = sys.argv[1]
    defconfig_src = os.path.join(kernel_tree, 'arch/%s/configs/%s' % (arch, target))

    subprocess.check_call(['make', '-s', 'ARCH=%s' % arch, target])
    origconfig = list(open('.config'))
    config = list(origconfig)
    config_size = os.stat('.config').st_size

    i = 0

    while i < len(config):
        print 'test for %r' % config[i]
        defconfig = open(defconfig_src, 'w')
        defconfig.writelines(config[:i])
        defconfig.writelines(config[i + 1:])
        defconfig.close()
        subprocess.check_call(['make', '-s', 'ARCH=%s' % arch, target])
        if os.stat('.config').st_size == config_size and list(open('.config')) == origconfig:
            del config[i]
        else:
            i += 1

    defconfig = open(defconfig_src, 'w')
    defconfig.writelines(config)
    defconfig.close()

which is pretty self-explanatory.
Acked-by: default avatarNicolas Pitre <nico@fluxnic.net>
Acked-by: default avatarRussell King <linux@arm.linux.org.uk>
Acked-by: default avatarGrant Likely <grant.likely@secretlab.ca>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parents 7e48c028 07a8c03f
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......@@ -3,26 +3,11 @@ CONFIG_IKCONFIG_PROC=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_IOSCHED_AS is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
CONFIG_ARCH_NS9XXX=y
CONFIG_MACH_A9M9360=y
CONFIG_MACH_A9M9750=y
CONFIG_MACH_CC7UCAMRY=y
CONFIG_MACH_CC9C=y
CONFIG_MACH_CC9P9210=y
CONFIG_MACH_CC9P9210JS=y
CONFIG_MACH_CC9P9215=y
CONFIG_MACH_CC9P9215JS=y
CONFIG_MACH_CC9P9360DEV=y
CONFIG_MACH_CC9P9360JS=y
CONFIG_MACH_CC9P9360VAL=y
CONFIG_MACH_CC9P9750DEV=y
CONFIG_MACH_CC9P9750VAL=y
CONFIG_MACH_CCW9C=y
CONFIG_MACH_INC20OTTER=y
CONFIG_MACH_OTTER=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_FPE_NWFPE=y
......@@ -39,24 +24,18 @@ CONFIG_MTD_CFI=m
CONFIG_MTD_JEDECPROBE=m
CONFIG_MTD_CFI_AMDSTD=m
CONFIG_MTD_PHYSMAP=m
CONFIG_MTD_PHYSMAP_START=0x0
CONFIG_BLK_DEV_LOOP=m
CONFIG_NETDEVICES=y
CONFIG_NET_ETHERNET=y
CONFIG_NS9XXX_ETH=y
# CONFIG_SERIO_SERPORT is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_NS921X=y
CONFIG_SERIAL_NS921X_CONSOLE=y
# CONFIG_LEGACY_PTYS is not set
# CONFIG_HW_RANDOM is not set
CONFIG_ADC_NS9215=m
CONFIG_I2C=m
CONFIG_I2C_GPIO=m
# CONFIG_HWMON is not set
# CONFIG_VGA_CONSOLE is not set
# CONFIG_HID_DEBUG is not set
# CONFIG_USB_SUPPORT is not set
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=m
......@@ -65,7 +44,6 @@ CONFIG_LEDS_TRIGGERS=y
CONFIG_LEDS_TRIGGER_TIMER=m
CONFIG_LEDS_TRIGGER_HEARTBEAT=m
CONFIG_RTC_CLASS=m
CONFIG_RTC_DRV_NS9215=m
CONFIG_EXT2_FS=m
CONFIG_TMPFS=y
CONFIG_JFFS2_FS=m
......@@ -73,7 +51,6 @@ CONFIG_NFS_FS=y
CONFIG_ROOT_NFS=y
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_USER=y
CONFIG_DEBUG_ERRORS=y
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