David Woodhouse wrote:
> On Mon, 2008-06-02 at 15:37 -0700, Tim Bird wrote:
>> With CONSOLE_TRANSLATIONS turned off, this saves about 6K
>> on my kernel configured for an ARM development board (OMAP
>> 5912 OSK). In embedded products I'm familiar with,
>> console translations are not needed.
>>
>> This was taken from the Linux-tiny project and updated slightly
>> for 2.6.25.
>
> I prefer it like this... we can drop consolemap.o and
> consolemap_deftbl.o from the build completely. It saves 7.2KiB on a
> ppc32 build here.
>
> diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
> index 595a925..f740190 100644
> --- a/drivers/char/Kconfig
> +++ b/drivers/char/Kconfig
> ...
This is clearly an improvement. But it is missing this part of the
original patch:
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -2198,7 +2198,11 @@ rescan_last_byte:
c = 0xfffd;
tc = c;
} else { /* no utf or alternate charset mode */
+#ifdef CONFIG_CONSOLE_TRANSLATIONS
tc = vc->vc_translate[vc->vc_toggle_meta ? (c | 0x80) : c];
+#else
+ tc = c;
+#endif
}
/* If the original code was a control character we
With the set_translate function stubbed, and the actual translation
operation left intact, I think the code might have problems.
I ran your patch fine on my OSK board here, but I must not have hit a
character translation case.
-- Tim
=============================
Tim Bird
Architecture Group Chair, CE Linux Forum
Senior Staff Engineer, Sony Corporation of America
=============================
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