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[PATCH] menu: Add ctrl-L to refresh the menu

From: Benjamin Herrenschmidt
Subject: [PATCH] menu: Add ctrl-L to refresh the menu
Date: Wed, 31 Aug 2022 18:24:28 +1000
User-agent: Evolution 3.44.1-0ubuntu1

This is useful on cloud instances with remote serial ports as it can be
difficult to connect "fast enough" to get the initial menu display

Signed-off-by: Benjamin Herrenschmidt <>
 grub-core/normal/menu.c | 4 ++++
 docs/grub.texi          | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/grub-core/normal/menu.c b/grub-core/normal/menu.c
index 14ceb9bb0..5e50383a6 100644
--- a/grub-core/normal/menu.c
+++ b/grub-core/normal/menu.c
@@ -818,6 +818,10 @@ run_menu (grub_menu_t menu, int nested, int *auto_boot)
              goto refresh;
+           case GRUB_TERM_CTRL | 'l':
+             menu_fini ();
+             goto refresh;
                int entry;
diff --git a/docs/grub.texi b/docs/grub.texi
index 472fbbfc8..a1f6d3fe8 100644
--- a/docs/grub.texi
+++ b/docs/grub.texi
@@ -3172,6 +3172,9 @@ If you protect the menu interface with a password 
 all you can do is choose an entry by pressing @key{RET}, or press
 @key{p} to enter the password.
+Pressing @key{Ctrl-l} will refresh the menu, which can be useful when
+connecting via serial after the menu has been drawn.
 @node Menu entry editor
 @section Editing a menu entry

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