Introduce a new wsl.conf config value to allow distributions to opt-in to cgroupv1 mounts by OneBlue · Pull Request #13546 · microsoft/WSL

auto position = commandLine.find(CGROUPS_NO_V1);
if (position != std::string::npos)
{
auto list = commandLine.substr(position + sizeof(CGROUPS_NO_V1) - 1);
auto end = list.find_first_of(" \n");
if (end != std::string::npos)
{
list = list.substr(0, end);
}
if (list == "all")
{
LOG_WARNING("Distribution has cgroupv1 enabled, but kernel command line has {}all. Falling back to cgroupv2", CGROUPS_NO_V1);
Config.CGroup = WslDistributionConfig::CGroupVersion::v2;
}
else
{
DisabledControllers = wsl::shared::string::Split(list, ',');
}
if (!commandLine.empty()) {
auto position = commandLine.find(CGROUPS_NO_V1);
if (position != std::string::npos)
{
auto list = commandLine.substr(position + sizeof(CGROUPS_NO_V1) - 1);
auto end = list.find_first_of(" \n");
if (end != std::string::npos)
{
list = list.substr(0, end);
}
if (list == "all")
{
LOG_WARNING("Distribution has cgroupv1 enabled, but kernel command line has {}all. Falling back to cgroupv2", CGROUPS_NO_V1);
Config.CGroup = WslDistributionConfig::CGroupVersion::v2;
}
else
{
DisabledControllers = wsl::shared::string::Split(list, ',');
}
}
} else {
LOG_WARNING("Failed to read /proc/cmdline; skipping cgroup_no_v1 check.");