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authorGeoff Levand <geoff@infradead.org>2016-06-23 17:54:48 +0000
committerCatalin Marinas <catalin.marinas@arm.com>2016-06-27 16:31:25 +0100
commitd28f6df1305a86715e4e7ea0f043ba01c0a0e8d9 (patch)
tree0d1f3fba97565a04c56ecf83ea24a0021d056e91 /arch/arm64/Kconfig
parentf9076ecfb1216a478312b1c078d04792df6d4477 (diff)
arm64/kexec: Add core kexec support
Add three new files, kexec.h, machine_kexec.c and relocate_kernel.S to the arm64 architecture that add support for the kexec re-boot mechanism (CONFIG_KEXEC) on arm64 platforms. Signed-off-by: Geoff Levand <geoff@infradead.org> Reviewed-by: James Morse <james.morse@arm.com> [catalin.marinas@arm.com: removed dead code following James Morse's comments] Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/Kconfig')
-rw-r--r--arch/arm64/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index eb0b0a05751e..1b196bf99320 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -665,6 +665,16 @@ config PARAVIRT_TIME_ACCOUNTING
If in doubt, say N here.
+config KEXEC
+ depends on PM_SLEEP_SMP
+ select KEXEC_CORE
+ bool "kexec system call"
+ ---help---
+ kexec is a system call that implements the ability to shutdown your
+ current kernel, and to start another kernel. It is like a reboot
+ but it is independent of the system firmware. And like a reboot
+ you can start any kernel with it, not just Linux.
+
config XEN_DOM0
def_bool y
depends on XEN