Eric W. Biederman wrote:
>
> I expect I can find a few more examples where we specify
> video_cols and video_lines but we use video_mode == 0.
>
> Going farther mode 0x00 is a BIOS 40x25 mode. So the patch below is
> not always safe even if we boot the bzImage. It is just highly
> unlikely anyone would start the kernel in 40x25 text mode.
>
Mode 0x00 is, at least theoretically, BIOS 40x25 *grayscale*; this mode
(and mode 0x02 which is the same thing in 80x25) were as far as I know
only ever used with composite monitors off CGA cards, i.e. functionally
never. Actual monochrome monitors used mode 0x07.
-hpa
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