From: ja.kaisrlik@gmail.com
To: linux-arm-kernel@lists.infradead.org
Cc: catalin.marinas@arm.com, Jan Kaisrlik <ja.kaisrlik@gmail.com>,
will@kernel.org
Subject: [PATCH] arm64: update Kconfig to better handle CMDLINE
Date: Fri, 20 Sep 2019 18:42:49 +0200 [thread overview]
Message-ID: <20190920164249.6935-1-ja.kaisrlik@gmail.com> (raw)
From: Jan Kaisrlik <ja.kaisrlik@gmail.com>
Added a menu to choose how to CMDLINE will be handled. Config strings
were copied from arm32 port.
Signed-off-by: Jan Kaisrlik <ja.kaisrlik@gmail.com>
---
arch/arm64/Kconfig | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 3adcec05b1f6..b1dd948f9665 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1538,6 +1538,23 @@ config CMDLINE
entering them here. As a minimum, you should specify the the
root device (e.g. root=/dev/nfs).
+choice
+ prompt "Kernel command line type" if CMDLINE != ""
+ default CMDLINE_FROM_BOOTLOADER
+
+config CMDLINE_FROM_BOOTLOADER
+ bool "Use bootloader kernel arguments if available"
+ help
+ Uses the command-line options passed by the boot loader. If
+ the boot loader doesn't provide any, the default kernel command
+ string provided in CMDLINE will be used.
+
+config CMDLINE_EXTEND
+ bool "Extend bootloader kernel arguments"
+ help
+ The command-line arguments provided by the boot loader will be
+ appended to the default kernel command string.
+
config CMDLINE_FORCE
bool "Always use the default kernel command string"
help
@@ -1545,6 +1562,7 @@ config CMDLINE_FORCE
loader passes other arguments to the kernel.
This is useful if you cannot or don't want to change the
command-line options your boot loader passes to the kernel.
+endchoice
config EFI_STUB
bool
--
2.23.0
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next reply other threads:[~2019-09-20 16:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-20 16:42 ja.kaisrlik [this message]
2019-09-27 13:51 ` [PATCH] arm64: update Kconfig to better handle CMDLINE Jan Kaisrlik
2019-09-29 10:16 ` Catalin Marinas
2019-10-01 7:13 ` Jan Kaisrlik
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