diff --git a/poky/meta/conf/machine/include/x86/x86-base.inc b/poky/meta/conf/machine/include/x86/x86-base.inc
index 4052eac..c3cc0db 100644
--- a/poky/meta/conf/machine/include/x86/x86-base.inc
+++ b/poky/meta/conf/machine/include/x86/x86-base.inc
@@ -18,7 +18,7 @@
 # kernel-related variables
 #
 PREFERRED_PROVIDER_virtual/kernel ??= "linux-yocto"
-PREFERRED_VERSION_linux-yocto ??= "5.19%"
+PREFERRED_VERSION_linux-yocto ??= "6.1%"
 
 #
 # XSERVER subcomponents, used to build the XSERVER variable
diff --git a/poky/meta/conf/machine/qemuarmv5.conf b/poky/meta/conf/machine/qemuarmv5.conf
index fe6c011..6e59e42 100644
--- a/poky/meta/conf/machine/qemuarmv5.conf
+++ b/poky/meta/conf/machine/qemuarmv5.conf
@@ -17,5 +17,5 @@
 QB_OPT_APPEND = "-device qemu-xhci -device usb-tablet -device usb-kbd"
 QB_DTB = "${@oe.utils.version_less_or_equal('PREFERRED_VERSION_linux-yocto', '4.7', '', 'zImage-versatile-pb.dtb', d)}"
 
-PREFERRED_VERSION_linux-yocto ??= "5.19%"
+PREFERRED_VERSION_linux-yocto ??= "6.1%"
 KMACHINE:qemuarmv5 = "arm-versatile-926ejs"
diff --git a/poky/meta/conf/machine/qemuppc64.conf b/poky/meta/conf/machine/qemuppc64.conf
index 304f06a..7709339 100644
--- a/poky/meta/conf/machine/qemuppc64.conf
+++ b/poky/meta/conf/machine/qemuppc64.conf
@@ -15,6 +15,7 @@
 QB_CPU = "-cpu POWER9"
 QB_SMP = "-smp 2"
 
+QB_NFSROOTFS_EXTRA_OPT = "wsize=524288,rsize=524288"
 QB_KERNEL_CMDLINE_APPEND = "console=hvc0 nohugevmalloc"
 #QB_OPT_APPEND += "-device qemu-xhci -device usb-tablet -device usb-kbd"
 QB_OPT_APPEND = "-usb -device usb-tablet"