linux-kernel - [PATCH] vt - fb: hide cursor in graphics mode

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <46e1c7760901221023r2766a57ey4564d05c05751b6e@mail.gmail.com>
Date:	Thu, 22 Jan 2009 20:23:05 +0200
From:	Risto Suominen <risto.suominen@...il.com>
To:	adaplas@....net
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] vt - fb: hide cursor in graphics mode

Xserver Xfbdev (kdrive) uses linux framebuffer in graphics mode. It doesn't
need the text mode cursor, it's a bit annoying to have it there sitting in a
corner. This patch disables the cursor when switching to graphics mode.

Signed-off-by: Risto Suominen <Risto.Suominen@...il.com>
---
The testing is done on kernel version 2.6.18.

--- a/drivers/char/vt_ioctl.c.org	2006-09-20 06:42:06.000000000 +0300
+++ b/drivers/char/vt_ioctl.c	2009-01-22 12:42:38.000000000 +0200
@@ -491,6 +491,10 @@ int vt_ioctl(struct tty_struct *tty, str
 			return -EPERM;
 		switch (arg) {
 		case KD_GRAPHICS:
+			/*
+			 * hide H/W (text) cursor in graphics mode
+			 */
+			vc->vc_sw->con_cursor(vc, CM_ERASE);
 			break;
 		case KD_TEXT0:
 		case KD_TEXT1:

View attachment "vt_ioctl-graphics-nocursor.diff" of type "text/x-diff" (740 bytes)