[PATCH] vt_buffer: drop console buffer copying optimisations

[Daniel Stone]

On 5 February 2015 at 11:35, One Thousand Gnomes
<gnomes at lxorguk.ukuu.org.uk> wrote:
>> If I'm not mistaken, that would be as simple as adding
>>
>>     #define VT_BUF_HAVE_RW.
>>     #define scr_writew(val, addr) (*(addr) = (val))
>>     #define scr_readw(addr) (*(addr))
>>
>> to arch/x86/include/asm/vga.h.
>
> and stick an
>
> #if defined (CONFIG_SUPPORT_SHITE_VGA_ADAPTERS)
>
> #endif
>
> around that and its sorted as an option everyone can leave off but the
> afflicted.

Well, given all the distros will enable that, might as well be #if
!defined(CONFIG_BREAK_SOME_HARDWARE_BUT_VGA_SCROLLING_WILL_BE_IMMEASURABLY_FASTER).

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