vga and 64-bit memcpy's

[Dave Airlie]

Got an bug report from someone using a silicon motion video card in
VGA mode about corruption that they tracked down to 64-bit memory
operations not being supported by the video card, it appears that we
probably shouldn't be using > 32-bit copies on VGA memory.

The include/linux/vt_buffer.h defaults scr_memcpyw defaults to using
memcpy, which on 64-bit x86 machines ends up as rep movsq. Is there
any way to make this use a 32-bit memcpy instead?

Dave.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/