linux/arch
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
..
alpha Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-03 15:46:07 -07:00
arc Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-03 15:46:07 -07:00
arm kexec: split kexec_load syscall from kexec core code 2015-09-10 13:29:01 -07:00
arm64 Merge branch 'akpm' (patches from Andrew) 2015-09-08 17:52:23 -07:00
avr32 Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-03 15:46:07 -07:00
blackfin Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-03 15:46:07 -07:00
c6x 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
cris cris/time: Migrate to new 'set-state' interface 2015-08-10 11:41:08 +02:00
frv Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-03 15:46:07 -07:00
h8300
hexagon
ia64 kexec: split kexec_load syscall from kexec core code 2015-09-10 13:29:01 -07:00
m32r Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-03 15:46:07 -07:00
m68k kexec: split kexec_load syscall from kexec core code 2015-09-10 13:29:01 -07:00
metag Mostly this is just clean ups and micro optimizations. 2015-09-08 14:04:14 -07:00
microblaze Mostly this is just clean ups and micro optimizations. 2015-09-08 14:04:14 -07:00
mips kexec: split kexec_load syscall from kexec core code 2015-09-10 13:29:01 -07:00
mn10300 Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-03 15:46:07 -07:00
nios2
openrisc openrisc/time: Migrate to new 'set-state' interface 2015-08-10 11:41:02 +02:00
parisc parisc: Use platform_device_register_simple("rtc-generic") 2015-09-08 17:53:48 +02:00
powerpc kexec: split kexec_load syscall from kexec core code 2015-09-10 13:29:01 -07:00
s390 kexec: split kexec_load syscall from kexec core code 2015-09-10 13:29:01 -07:00
score Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-01 14:04:50 -07:00
sh kexec: split kexec_load syscall from kexec core code 2015-09-10 13:29:01 -07:00
sparc Merge branch 'akpm' (patches from Andrew) 2015-09-08 17:52:23 -07:00
tile kexec: split kexec_load syscall from kexec core code 2015-09-10 13:29:01 -07:00
um Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-01 14:04:50 -07:00
unicore32 libnvdimm for 4.3: 2015-09-08 14:35:59 -07:00
x86 kexec: split kexec_load syscall from kexec core code 2015-09-10 13:29:01 -07:00
xtensa libnvdimm for 4.3: 2015-09-08 14:35:59 -07:00
.gitignore
Kconfig kexec: split kexec_load syscall from kexec core code 2015-09-10 13:29:01 -07:00