linux-kernel - [PATCH 3/3] vt: add /dev/vcsu* to devices.txt

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Message-Id: <20180718010242.5254-4-nicolas.pitre@linaro.org>
Date:   Tue, 17 Jul 2018 21:02:42 -0400
From:   Nicolas Pitre <nicolas.pitre@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Kees Cook <keescook@...omium.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Adam Borowski <kilobyte@...band.pl>,
        Dave Mielke <Dave@...lke.cc>,
        Samuel Thibault <samuel.thibault@...-lyon.org>,
        linux-kernel@...r.kernel.org, linux-console@...r.kernel.org
Subject: [PATCH 3/3] vt: add /dev/vcsu* to devices.txt

Also mention that the traditional devices provide glyph values whereas
/dev/vcsu* is unicode based.

Suggested-by: Geert Uytterhoeven <geert@...ux-m68k.org>
Signed-off-by: Nicolas Pitre <nico@...aro.org>
---
 Documentation/admin-guide/devices.txt | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/Documentation/admin-guide/devices.txt b/Documentation/admin-guide/devices.txt
index 4ec843123c..1649117e60 100644
--- a/Documentation/admin-guide/devices.txt
+++ b/Documentation/admin-guide/devices.txt
@@ -173,14 +173,18 @@
 		they are redirected through the parport multiplex layer.
 
    7 char	Virtual console capture devices
-		  0 = /dev/vcs		Current vc text contents
-		  1 = /dev/vcs1		tty1 text contents
+		  0 = /dev/vcs		Current vc text (glyph) contents
+		  1 = /dev/vcs1		tty1 text (glyph) contents
 		    ...
-		 63 = /dev/vcs63	tty63 text contents
-		128 = /dev/vcsa		Current vc text/attribute contents
-		129 = /dev/vcsa1	tty1 text/attribute contents
+		 63 = /dev/vcs63	tty63 text (glyph) contents
+		 64 = /dev/vcsu		Current vc text (unicode) contents
+		65 = /dev/vcsu1		tty1 text (unicode) contents
 		    ...
-		191 = /dev/vcsa63	tty63 text/attribute contents
+		127 = /dev/vcsu63	tty63 text (unicode) contents
+		128 = /dev/vcsa		Current vc text/attribute (glyph) contents
+		129 = /dev/vcsa1	tty1 text/attribute (glyph) contents
+		    ...
+		191 = /dev/vcsa63	tty63 text/attribute (glyph) contents
 
 		NOTE: These devices permit both read and write access.
 
-- 
2.17.1