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Dave Young 2965faa5e0 kexec: split kexec_load syscall from kexec core code 
There are two kexec load syscalls, kexec_load another and kexec_file_load.
 kexec_file_load has been splited as kernel/kexec_file.c.  In this patch I
split kexec_load syscall code to kernel/kexec.c.

And add a new kconfig option KEXEC_CORE, so we can disable kexec_load and
use kexec_file_load only, or vice verse.

The original requirement is from Ted Ts'o, he want kexec kernel signature
being checked with CONFIG_KEXEC_VERIFY_SIG enabled.  But kexec-tools use
kexec_load syscall can bypass the checking.

Vivek Goyal proposed to create a common kconfig option so user can compile
in only one syscall for loading kexec kernel.  KEXEC/KEXEC_FILE selects
KEXEC_CORE so that old config files still work.

Because there's general code need CONFIG_KEXEC_CORE, so I updated all the
architecture Kconfig with a new option KEXEC_CORE, and let KEXEC selects
KEXEC_CORE in arch Kconfig.  Also updated general kernel code with to
kexec_load syscall.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Dave Young <dyoung@redhat.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Petr Tesarik <ptesarik@suse.cz>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: Josh Boyer <jwboyer@fedoraproject.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2015-09-10 13:29:01 -07:00
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accessibility
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acpi IPMI updates for 4.3 2015-09-08 18:19:17 -07:00
amba
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android
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ata Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2015-09-03 16:55:55 -07:00
atm
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auxdisplay
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base regmap: Changes for v4.3 2015-09-08 16:48:55 -07:00
bcma
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block Merge branch 'akpm' (patches from Andrew) 2015-09-08 17:52:23 -07:00
bluetooth Bluetooth: hci_bcm: Fix crash on suspend 2015-08-28 21:09:14 +02:00
bus regmap: Changes for v4.3 2015-09-08 16:48:55 -07:00
cdrom
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char IPMI updates for 4.3 2015-09-08 18:19:17 -07:00
clk Merge branch 'i2c/for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2015-09-08 16:16:26 -07:00
clocksource - New Device Support 2015-09-04 11:35:03 -07:00
connector
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cpufreq Power management and ACPI material for v4.3-rc1 2015-09-01 19:45:46 -07:00
cpuidle Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2015-09-03 16:27:01 -07:00
crypto drivers/crypto/qat: use seq_hex_dump() to dump buffers 2015-09-10 13:29:01 -07:00
dca
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devfreq
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dio
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dma dmaengine updates for 4.3-rc1 2015-09-04 11:10:18 -07:00
dma-buf
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edac Minor stuff: AMD MCE decoding correction and xgene_edac cleanup. 2015-09-01 18:34:22 -07:00
eisa
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extcon regulator: Updates for v4.3 2015-08-31 15:49:19 -07:00
firewire
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firmware kexec: split kexec_load syscall from kexec core code 2015-09-10 13:29:01 -07:00
fmc
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gpio Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-09-04 15:49:32 -07:00
gpu Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-09-04 15:49:32 -07:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2015-09-04 12:02:11 -07:00
hsi
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hv
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hwmon hwmon: (fam15h_power) Add ratio of Tsample to the PTSC period 2015-08-27 07:53:19 -07:00
hwspinlock
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hwtracing/coresight
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i2c Merge branch 'i2c/for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2015-09-08 16:16:26 -07:00
ide
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idle
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iio This is the bulk of GPIO changes for the v4.3 kernel cycle: 2015-09-04 10:07:45 -07:00
infiniband Changes for 4.3 2015-09-09 08:33:31 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2015-09-04 12:02:11 -07:00
iommu IOMMU Updates for Linux v4.3 2015-09-08 17:22:35 -07:00
ipack
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irqchip Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-08 11:36:56 -07:00
isdn libnvdimm for 4.3: 2015-09-08 14:35:59 -07:00
leds - Stop using LP855X Platform Data to control regulators 2015-09-04 11:40:40 -07:00
lguest
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macintosh powerpc updates for 4.3 2015-09-03 16:41:38 -07:00
mailbox Merge branch 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration 2015-09-05 18:11:04 -07:00
mcb
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md md updates for 4.3 2015-09-05 17:52:22 -07:00
media media updates for v4.3-rc1 2015-09-05 18:21:14 -07:00
memory IOMMU Updates for Linux v4.3 2015-09-08 17:22:35 -07:00
memstick
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message
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mfd Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-09-04 15:49:32 -07:00
misc Merge branch 'akpm' (patches from Andrew) 2015-09-08 17:52:23 -07:00
mmc MMC core: 2015-09-08 16:33:16 -07:00
mtd libnvdimm for 4.3: 2015-09-08 14:35:59 -07:00
net drivers/net/wireless/ath/wil6210: use seq_hex_dump() to dump buffers 2015-09-10 13:29:01 -07:00
nfc This is the bulk of GPIO changes for the v4.3 kernel cycle: 2015-09-04 10:07:45 -07:00
ntb
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nubus
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nvdimm libnvdimm for 4.3: 2015-09-08 14:35:59 -07:00
nvmem
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of Merge branch 'i2c/for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2015-09-08 16:16:26 -07:00
oprofile
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parisc parisc: use seq_hex_dump() to dump buffers 2015-09-10 13:29:01 -07:00
parport
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pci kexec: split kexec_load syscall from kexec core code 2015-09-10 13:29:01 -07:00
pcmcia pcmcia: soc_common: remove skt_dev_info's clk pointer 2015-09-03 16:01:03 +01:00
perf
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phy This is the bulk of GPIO changes for the v4.3 kernel cycle: 2015-09-04 10:07:45 -07:00
pinctrl This is the bulk of pin control changes for the v4.3 development 2015-09-04 10:22:09 -07:00
platform platform-drivers-x86 for 4.3-1 2015-09-08 16:26:18 -07:00
pnp
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power Power management and ACPI material for v4.3-rc1 2015-09-01 19:45:46 -07:00
powercap powercap / RAPL: disable the 2nd power limit properly 2015-08-29 01:46:40 +02:00
pps
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ps3
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ptp
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pwm
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rapidio
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ras
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regulator regmap: Changes for v4.3 2015-09-08 16:48:55 -07:00
remoteproc
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reset
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rpmsg
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rtc rtc: abx80x: fix RTC write bit 2015-09-05 19:37:31 +02:00
s390 drivers/s390/crypto/zcrypt_api.c: use seq_hex_dump() to dump buffers 2015-09-10 13:29:01 -07:00
sbus
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scsi libnvdimm for 4.3: 2015-09-08 14:35:59 -07:00
sfi
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sh
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sn
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soc ARM: SoC driver updates for v4.3 2015-09-01 13:00:04 -07:00
spi Merge remote-tracking branches 'spi/topic/ti-qspi', 'spi/topic/xcomm' and 'spi/topic/xlp' into spi-next 2015-08-31 14:45:45 +01:00
spmi Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-01 14:33:35 -07:00
ssb
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staging Changes for 4.3 2015-09-09 08:33:31 -07:00
target Merge branch 'for-4.3/sg' of git://git.kernel.dk/linux-block 2015-09-02 13:22:38 -07:00
tc
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thermal regmap: Changes for v4.3 2015-09-08 16:48:55 -07:00
thunderbolt
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tty Merge branch 'akpm' (patches from Andrew) 2015-09-08 17:52:23 -07:00
uio
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usb Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2015-09-01 18:46:42 -07:00
uwb
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vfio
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vhost
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video fbdev changes for 4.3 2015-09-08 16:42:55 -07:00
virt
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virtio
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vlynq
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vme
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w1 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2015-09-01 18:46:42 -07:00
watchdog - New Device Support 2015-09-04 11:35:03 -07:00
xen xen: features and fixes for 4.3-rc0 2015-09-08 11:46:48 -07:00
zorro
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Kconfig Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2015-09-03 16:27:01 -07:00
Makefile This is the bulk of pin control changes for the v4.3 development 2015-09-04 10:22:09 -07:00