29.01.2016 17:26, Thomas Huth пишет:
> When running grub in a VGA console of a KVM pseries guest on PowerPC,
> you can see the cursor sweeping over the whole line when entering a
> character in editor mode. This is visible because grub always refreshes
> the whole line when entering a character in editor mode, and drawing
> characters is quite a slow operation with the firmware used for the
> powerpc pseries guests (SLOF).
> To avoid this ugliness, the cursor should be disabled when refreshing
> the screen contents during update_screen().
>
Applied, thanks!
> Signed-off-by: Thomas Huth <th...@redhat.com>
> ---
> grub-core/normal/menu_entry.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/grub-core/normal/menu_entry.c b/grub-core/normal/menu_entry.c
> index 62c7e16..68359eb 100644
> --- a/grub-core/normal/menu_entry.c
> +++ b/grub-core/normal/menu_entry.c
> @@ -250,6 +250,8 @@ update_screen (struct screen *screen, struct
> per_term_screen *term_screen,
> mode = ALL_LINES;
> }
>
> + grub_term_setcursor (term_screen->term, 0);
> +
> if (mode != NO_LINE)
> {
> /* Draw lines. This code is tricky, because this must calculate logical
> @@ -357,6 +359,8 @@ update_screen (struct screen *screen, struct
> per_term_screen *term_screen,
>
> }
>
> + grub_term_setcursor (term_screen->term, 1);
> +
> grub_term_refresh (term_screen->term);
> }
>
>
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