Select a kernel release candidate from the drop down menu.

Head to https://github.com/torvalds/linux.

Click Tags

For example, 5.11-rc6

Faster build

Here you can make your make’s use much more CPU that just a single core. Thanks @iamazat for the tip:

sudo vi /etc/makepkg.conf

Edit the following line:

MAKEFLAGS=-j$(( $(getconf _NPROCESSORS_ONLN)*2 )) make

Build and install linux-git from source

Use the version from earlier, e.g. 5.11-rc6

RC=5.11-rc6
RC="${RC//\-/}"
cd ~
sudo pacman -Rns linux-git
yay linux-git --getpkgbuild --force
cd ~/linux-git

# remove html docs
sed -i -e 's/\"\$pkgbase-docs\"//' PKGBUILD
sed -i -e 's/rm\ -r\ \"\$builddir\/Documentation\"//' PKGBUILD
sed -i -e 's/make\ htmldocs//' PKGBUILD
# sed -i -e 's/make\ /make\ -j'${N}'\ /g' PKGBUILD
sed -i -e 's/^pkgver\=.*/pkgver\='${RC}'/' PKGBUILD
sed -i -e 's/^pkgver\=.*/pkgver\='${RC}'/' PKGBUILD

# MANUALLY EDIT OUT THE SKIP SHASUMS TO SKIP

sed -i -e s/^sha256sums/old_sha256sums/g PKGBUILD

perl -i -p -e s/old_sha256sums/sha256sums\=\(\'SKIP\'\ \'SKIP\'\)\\nold_sha256sums/g PKGBUILD


# overwrite config with current system config
zcat /proc/config.gz > config

makepkg -si

Fix grub/rEFInd etc.

During boot, press TAB on your boot menu item. Simply add ‘-git’ to your boot options