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From:   AKASHI Takahiro <takahiro.akashi@linaro.org>
To:     catalin.marinas@arm.com, will.deacon@arm.com,
        bauerman@linux.vnet.ibm.com, dhowells@redhat.com,
        vgoyal@redhat.com, herbert@gondor.apana.org.au,
        davem@davemloft.net, akpm@linux-foundation.org, mpe@ellerman.id.au,
        dyoung@redhat.com, bhe@redhat.com, arnd@arndb.de,
        ard.biesheuvel@linaro.org, julien.thierry@arm.com
Cc:     kexec@lists.infradead.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org,
        AKASHI Takahiro <takahiro.akashi@linaro.org>
Subject: [PATCH v8 11/13] arm64: kexec_file: enable KEXEC_FILE config
Date:   Thu, 22 Feb 2018 20:17:30 +0900
Message-Id: <20180222111732.23051-12-takahiro.akashi@linaro.org>
In-Reply-To: <20180222111732.23051-1-takahiro.akashi@linaro.org>
References: <20180222111732.23051-1-takahiro.akashi@linaro.org>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 7381eeb7ef8e..79ee27b8d2a0 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -829,6 +829,16 @@ 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
-- 
2.16.2