[U-Boot] [PATCH v2 02/12] x86: Add an accelerated memmove() function

Bin Meng bmeng.cn at gmail.com
Sat Oct 8 04:25:24 CEST 2016


Hi Simon,

On Thu, Oct 6, 2016 at 10:42 AM, Simon Glass <sjg at chromium.org> wrote:
> Bring in a faster memmove() from Linux 4.7. This speeds up scrolling on the
> display.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
> Changes in v2:
> - Move the code into string.c
> - Fix multi-line comments that should not be
>
>  arch/x86/include/asm/string.h |   2 +-
>  arch/x86/lib/string.c         | 161 ++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 162 insertions(+), 1 deletion(-)
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>

Tested on Crown Bay with an external PCIe graphics card
Tested-by: Bin Meng <bmeng.cn at gmail.com>

However, I did not see significant speed up on screen scrolling...

Regards,
Bin


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