On Wednesday, 4 October 2023 14:16:44 BST Alan Mackenzie wrote: > Hello, Gentoo. > > On Fri, Feb 03, 2023 at 18:56:27 +0000, Alan Mackenzie wrote: > > The topic of this post is my kernel patch which enables soft scrolling > on Linux tty's with <shift><PgUp> and <shift><PgDn>, and also enables > the GPM mouse utility on those scrolled regions. > > Currently, the patch I posted some months ago works on all 6.1.x > kernels, and very likely works on 6.2.x, too. In kernel 6.3.1, some > significant refactoring was done by the kernel people, necessitating a > new version of the patch, called 6.3.11-GPM.20231004.diff. I've tested > this on 6.3.11 and 6.5.5. > > Just a quick reminder of how to use these files for anybody else who > might be interested: > (i) cd /usr/src/linux-6.3.11-gentoo, or similar. (Or ...-6.1.x-gentoo). > (ii) patch -p1 < 6.3.11-GPM.20231004.diff (or the other one). > (iii) Configure the kernel as normal. Additionally, under Device > drivers/Graphic Support/Console display driver support, enable > CONFIG_FRAMEBUFFER_CONSOLE_SOFT_SCROLLBACK, set the buffer size to taste > (it's default is 128 kB) and accept the default enablement of > CONFIG_FRAMEBUFFER_CONSOLE_SOFT_SCROLLBACK_GPM. > (iv) Build the kernel and install it into your boot manager. > (v) Reboot and enjoy! You can now use GPM in scrolled consoles. > > Just a warning: if you copy your kernel .config from a 6.1.x kernel, and > use make oldconfig to generate a new kernel for 6.3.x etc., you will > have to enable CONFIG_HID_SUPPORT, otherwise your USB keyboard and mouse > will be dead on bootup. ;-( > > The usual disclaimers apply, here. If this patch breaks anything for > you, you get to join the pieces back together again. But if this does > happen, please let me know, so that I can try to fix the bug. My only > promise is that there's nothing malicious in the patch. > > As well as 6.3.11-GPM.20231004.diff, I'm reposting > 6.1.8-GPM.20230203.diff for anybody new here who wants to try it on the > current Gentoo 6.1.x kernel.
Many thanks again Alan. What a stalwart you are! -- Regards, Peter.
