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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
..
boot ARM: dts: AM437x: Add the internal and external clock nodes for rtc 2015-09-05 19:37:20 +02:00
common Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2015-09-03 16:27:01 -07:00
configs ARM: config: Switch PXA27x platforms to use PXA RTC driver 2015-09-05 19:37:18 +02:00
crypto
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firmware
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include libnvdimm for 4.3: 2015-09-08 14:35:59 -07:00
kernel Merge branch 'nmi' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2015-09-08 12:28:10 -07:00
kvm
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lib Merge branches 'cleanup', 'fixes', 'misc', 'omap-barrier' and 'uaccess' into for-linus 2015-09-03 15:28:37 +01:00
mach-alpine
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mach-asm9260
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mach-at91 genalloc: add name arg to gen_pool_get() and devm_gen_pool_create() 2015-09-04 16:54:41 -07:00
mach-axxia
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mach-bcm ARM: SoC platform updates for v4.3 2015-09-01 12:18:40 -07:00
mach-berlin
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mach-clps711x libnvdimm for 4.3: 2015-09-08 14:35:59 -07:00
mach-cns3xxx ARM: appropriate __init annotation for const data 2015-07-28 13:55:27 +02:00
mach-davinci ARM: SoC platform updates for v4.3 2015-09-01 12:18:40 -07:00
mach-digicolor ARM: appropriate __init annotation for const data 2015-07-28 13:55:27 +02:00
mach-dove Merge branch 'queue/irq/arm' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next/cleanup 2015-08-05 17:24:11 +02:00
mach-ebsa110 ARM: kill off set_irq_flags usage 2015-07-28 13:58:13 +02:00
mach-efm32
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mach-ep93xx ARM/fb: ep93xx: switch framebuffer to use modedb only 2015-08-13 12:25:44 +02:00
mach-exynos ARM: SoC cleanups for v4.3 2015-09-01 12:10:20 -07:00
mach-footbridge ARM: kill off set_irq_flags usage 2015-07-28 13:58:13 +02:00
mach-gemini ARM: gemini: Setup timer3 as free running timer 2015-08-13 11:41:52 +02:00
mach-highbank ARM: migrate to common PSCI client code 2015-08-03 15:38:39 +01:00
mach-hisi
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mach-imx genalloc: add name arg to gen_pool_get() and devm_gen_pool_create() 2015-09-04 16:54:41 -07:00
mach-integrator
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mach-iop13xx ARM: kill off set_irq_flags usage 2015-07-28 13:58:13 +02:00
mach-iop32x ARM: kill off set_irq_flags usage 2015-07-28 13:58:13 +02:00
mach-iop33x ARM: kill off set_irq_flags usage 2015-07-28 13:58:13 +02:00
mach-ixp4xx ARM: kill off set_irq_flags usage 2015-07-28 13:58:13 +02:00
mach-keystone
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mach-ks8695 ARM: kill off set_irq_flags usage 2015-07-28 13:58:13 +02:00
mach-lpc18xx
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mach-lpc32xx Merge branch 'queue/irq/arm' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next/cleanup 2015-08-05 17:24:11 +02:00
mach-mediatek
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mach-meson
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mach-mmp ARM: mmp: remove unused RTC register definitions 2015-09-05 19:37:17 +02:00
mach-moxart
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mach-mv78xx0
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mach-mvebu ARM: SoC driver updates for v4.3 2015-09-01 13:00:04 -07:00
mach-mxs ARM: appropriate __init annotation for const data 2015-07-28 13:55:27 +02:00
mach-netx ARM: kill off set_irq_flags usage 2015-07-28 13:58:13 +02:00
mach-nomadik ARM: nomadik: move l2x0 setup to device tree 2015-08-11 15:29:59 +02:00
mach-nspire
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mach-omap1 ARM: kill off set_irq_flags usage 2015-07-28 13:58:13 +02:00
mach-omap2 Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2015-09-03 16:27:01 -07:00
mach-orion5x ARM: DT updates for v4.3 2015-09-01 13:09:20 -07:00
mach-picoxcell
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mach-prima2 Merge branches 'cleanup', 'fixes', 'misc', 'omap-barrier' and 'uaccess' into for-linus 2015-09-03 15:28:37 +01:00
mach-pxa ARM: pxa: add memory resource to SA1100 RTC device 2015-09-05 19:37:16 +02:00
mach-qcom
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mach-realview ARM: appropriate __init annotation for const data 2015-07-28 13:55:27 +02:00
mach-rockchip ARM: rockchip: pm: Fix PTR_ERR() argument 2015-08-24 12:39:14 +02:00
mach-rpc ARM: kill off set_irq_flags usage 2015-07-28 13:58:13 +02:00
mach-s3c24xx Samsung cleanup for v4.3 2015-08-11 14:59:02 +02:00
mach-s3c64xx ARM: SoC cleanups for v4.3 2015-09-01 12:10:20 -07:00
mach-s5pv210
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mach-sa1100 ARM: sa1100: remove unused RTC register definitions 2015-09-05 19:37:17 +02:00
mach-shmobile libnvdimm for 4.3: 2015-09-08 14:35:59 -07:00
mach-socfpga genalloc: add name arg to gen_pool_get() and devm_gen_pool_create() 2015-09-04 16:54:41 -07:00
mach-spear ARM: SoC cleanups for v4.3 2015-09-01 12:10:20 -07:00
mach-sti ARM: SoC platform updates for v4.3 2015-09-01 12:18:40 -07:00
mach-stm32
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mach-sunxi
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mach-tegra ARM: SoC driver updates for v4.3 2015-09-01 13:00:04 -07:00
mach-u300
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mach-uniphier ARM: uniphier: drop v7_invalidate_l1 call at secondary entry 2015-08-13 12:12:10 +02:00
mach-ux500 Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2015-09-03 16:27:01 -07:00
mach-versatile
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mach-vexpress irqchip/gic: Ensure gic_cpu_if_up/down() programs correct GIC instance 2015-08-04 14:14:06 +02:00
mach-vt8500
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mach-w90x900 ARM: kill off set_irq_flags usage 2015-07-28 13:58:13 +02:00
mach-zx ARM: SoC platform updates for v4.3 2015-09-01 12:18:40 -07:00
mach-zynq 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
mm Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2015-09-03 16:27:01 -07:00
net ARM: net: add support for BPF_ANC | SKF_AD_HATYPE in ARM JIT. 2015-07-27 14:57:41 -07:00
nwfpe
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oprofile
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plat-iop
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plat-omap
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plat-orion Merge branch 'queue/irq/arm' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next/cleanup 2015-08-05 17:24:11 +02:00
plat-pxa
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plat-samsung ARM: SAMSUNG: remove keypad-core header in plat-samsung 2015-07-30 02:02:06 +09:00
plat-versatile
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probes
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tools
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vdso ARM: 8405/1: VDSO: fix regression with toolchains lacking ld.bfd executable 2015-07-31 18:54:45 +01:00
vfp
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xen arm/xen: Drop the definition of xen_pci_platform_unplug 2015-08-20 12:24:16 +01:00
Kconfig kexec: split kexec_load syscall from kexec core code 2015-09-10 13:29:01 -07:00
Kconfig-nommu
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Kconfig.debug The i.MX SoC changes for 4.3: 2015-08-18 13:10:05 -07:00
Makefile ARM: 8418/1: add boot image dependencies to not generate invalid images 2015-08-18 13:59:59 +01:00