PKGBUILDs/core/kernel26-dockstar/0001-ARM-Add-option-CMDLINE_FORCE-to-force-usage-of-the-i.patch
2010-07-20 06:42:17 -07:00

43 lines
1.4 KiB
Diff

--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1302,6 +1302,17 @@ config CMDLINE
time by entering them here. As a minimum, you should specify the
memory size and the root device (e.g., mem=64M root=/dev/nfs).
+config CMDLINE_FORCE
+ bool "Always use the default kernel command string"
+ depends on CMDLINE != ""
+ help
+ Always use the default kernel command string, even if the boot
+ 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.
+
+ If unsure, say N.
+
config XIP_KERNEL
bool "Kernel Execute-In-Place from ROM"
depends on !ZBOOT_ROM
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 621acad..655aba2 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -628,6 +628,7 @@ static int __init parse_tag_revision(const struct tag *tag)
__tagtable(ATAG_REVISION, parse_tag_revision);
+#ifndef CONFIG_CMDLINE_FORCE
static int __init parse_tag_cmdline(const struct tag *tag)
{
strlcpy(default_command_line, tag->u.cmdline.cmdline, COMMAND_LINE_SIZE);
@@ -635,6 +636,7 @@ static int __init parse_tag_cmdline(const struct tag *tag)
}
__tagtable(ATAG_CMDLINE, parse_tag_cmdline);
+#endif /* CONFIG_CMDLINE_FORCE */
/*
* Scan the tag table for this tag, and call its parse function.
--
1.6.4.4