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[v9,08/11] arm64: enable KEXEC_FILE config

Message ID 20180425062629.29404-9-takahiro.akashi@linaro.org
State New
Headers show
Series arm64: kexec: add kexec_file_load() support | expand

Commit Message

AKASHI Takahiro April 25, 2018, 6:26 a.m. UTC 
Modify arm64/Kconfig to enable kexec_file_load support.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
---
 arch/arm64/Kconfig | 10 ++++++++++
 1 file changed, 10 insertions(+)

-- 
2.17.0
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Patch

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index eb2cf4938f6d..d8f0dcdb8b96 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -847,6 +847,16 @@  config KEXEC
 	  but it is independent of the system firmware.   And like a reboot
 	  you can start any kernel with it, not just Linux.
 
+config KEXEC_FILE
+	bool "kexec file based system call"
+	select KEXEC_CORE
+	select BUILD_BIN2C
+	help
+	  This is new version of kexec system call. This system call is
+	  file based and takes file descriptors as system call argument
+	  for kernel and initramfs as opposed to list of segments as
+	  accepted by previous system call.
+
 config CRASH_DUMP
 	bool "Build kdump crash kernel"
 	help