Re: [gentoo-user] console scrollback (kernel 5.14)

[Jorge Almeida]

On Thu, Sep 23, 2021 at 6:03 PM Alan Mackenzie <a...@muc.de> wrote:
>

>
> As for the two(?) versions of my patch, they differed mainly in the
> aesthetics - diff.20210405.diff had lots of ugly maintainer comments in
> it.  So, could I ask you please to try that 1-hunk patch I posted
> yesterday on top of the version you have.  Please then tell me whether
> or not it works.
>
It still fails:
$ patch -p0 <../patch_for_5.14.diff
patching file ./drivers/tty/vt/vt.c
Hunk #1 FAILED at 3208.
1 out of 1 hunk FAILED -- saving rejects to file ./drivers/tty/vt/vt.c.rej

$ cat ../patch_for_5.14.diff
--- ./drivers/tty/vt/vt.c.orig  2020-12-13 22:41:30.000000000 +0000
+++ ./drivers/tty/vt/vt.c       2021-04-05 16:20:32.624563241 +0000
@@ -3208,6 +3208,12 @@

        param.vc = vc;

+#ifdef CONFIG_FRAMEBUFFER_CONSOLE_SOFT_SCROLLBACK
+       /* Undo any soft scrolling - <Alt><Fn> and <Shift><PgUp/Down> do
+          not pass through this function.  */
+       concon_set_origin (vc);
+#endif
+
        while (!tty->flow.stopped && count) {
                int orig = *buf;
                buf++;

Thanks,

Jorge Almeida

--- ./drivers/tty/vt/vt.c.orig  2020-12-13 22:41:30.000000000 +0000
+++ ./drivers/tty/vt/vt.c       2021-04-05 16:20:32.624563241 +0000
@@ -3208,6 +3208,12 @@
 
        param.vc = vc;
 
+#ifdef CONFIG_FRAMEBUFFER_CONSOLE_SOFT_SCROLLBACK
+       /* Undo any soft scrolling - <Alt><Fn> and <Shift><PgUp/Down> do
+          not pass through this function.  */
+       concon_set_origin (vc);
+#endif
+
        while (!tty->flow.stopped && count) {
                int orig = *buf;
                buf++;