linux-kernel - [PATCH v2 5/7] powerpc: add capability to prepend default command line

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Message-Id: <54fd814a0c7aad690fa3aceaab5f35cb930c681a.1614705851.git.christophe.leroy@csgroup.eu>
Date:   Tue,  2 Mar 2021 17:25:21 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>, danielwa@...co.com,
        robh@...nel.org, daniel@...pelevich.san-francisco.ca.us
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-arch@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH v2 5/7] powerpc: add capability to prepend default command
 line

This patch activates the capability to prepend default
arguments to the command line.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/Kconfig | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 386ae12d8523..0ab406f14513 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -912,6 +912,12 @@ config CMDLINE_EXTEND
 	  The command-line arguments provided by the boot loader will be
 	  appended to the default kernel command string.
 
+config CMDLINE_PREPEND
+	bool "Prepend bootloader kernel arguments"
+	help
+	  The default kernel command string will be prepend to the
+	  command-line arguments provided during boot.
+
 config CMDLINE_FORCE
 	bool "Always use the default kernel command string"
 	help
-- 
2.25.0