On Mon, 2013-09-16 at 18:08 -0500, Rob Herring wrote:
> From: Rob Herring <rob.herring@xxxxxxxxxxx>
>
> Save some pointless copying of the kernel command line and just use
> boot_command_line instead.
>
> Also remove default_command_line as it is not referenced anywhere, and
> the DT code already handles the default command line.
>
The default_command_line is leftover cruft from the kernel before it was
upstreamed. It was a mechanism to place the commandline at a known fixed
offset in the Image. It was needed for simple (serial eeprom based)
loaders which didn't know about DT. Anyway, bits of that support are
missing, so I don't see a reason to keep it around. If anyone complains
we can add it back in as a completely functional patch. There is also
a fragment of arch/c6x/kernel/vmlinux.lds.S which should also be
removed:
diff --git a/arch/c6x/kernel/vmlinux.lds.S b/arch/c6x/kernel/vmlinux.lds.S
index 279d807..5a6e141 100644
--- a/arch/c6x/kernel/vmlinux.lds.S
+++ b/arch/c6x/kernel/vmlinux.lds.S
@@ -37,12 +37,6 @@ SECTIONS
_vectors_end = .;
}
- . = ALIGN(0x1000);
- .cmdline :
- {
- *(.cmdline)
- }
-
/*
* This section contains data which may be shared with other
* cores. It needs to be a fixed offset from PAGE_OFFSET
--
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