update main to next major BISDN Linux version

conf/layer.conf

@@ -9,6 +9,6 @@ BBFILE_COLLECTIONS += "open-network-linux"
 BBFILE_PATTERN_open-network-linux = "^${LAYERDIR}/"
 BBFILE_PRIORITY_open-network-linux = "6"
 
-LAYERSERIES_COMPAT_open-network-linux = "kirkstone"
+LAYERSERIES_COMPAT_open-network-linux = "scarthgap"
 
 PREFERRED_VERSION_linux-libc-headers ?= "6.6%"

conf/machine/generic-armel-iproc.conf

@@ -17,7 +17,7 @@ require conf/machine/include/onl.inc
 MACHINE_FEATURES += "pcbios"
 MACHINE_FEATURES:remove = "alsa"
 
-KERNEL_FEATURES:remove = "features/debug/printk.scc features/kernel-sample/kernel-sample.scc"
+KERNEL_FEATURES:remove = "features/debug/printk.scc features/kernel-sample/kernel-sample.scc features/taskstats/taskstats.scc"
 
 # https://git.yoctoproject.org/poky/tree/meta/classes/kernel-fitimage.bbclass
 KERNEL_CLASSES += "kernel-fitimage"

recipes-extended/onl/onl.inc

@@ -115,7 +115,7 @@ EXTRA_OEMAKE = "\
   'BUILDER_MODULE_MANIFEST=${BUILDER_MODULE_MANIFEST}' \
   'MODULEMANIFEST=${MODULEMANIFEST}' \
   'GCC=${CC}' \
-  'GCC_FLAGS=${CFLAGS} -DONLPLIB_CONFIG_I2C_USE_CUSTOM_HEADER=0 -Wno-error=unused-result' \
+  'GCC_FLAGS=${CFLAGS} -DONLPLIB_CONFIG_I2C_USE_CUSTOM_HEADER=0 -Wno-error=unused-result -Wno-error=address -Wno-error=pointer-to-int-cast' \
   'MODULEMANIFEST=${MODULEMANIFEST}' \
   'NO_USE_GCC_VERSION_TOOL=${NO_USE_GCC_VERSION_TOOL}' \
   'ONL=${ONL}' \

recipes-kernel/linux/linux-yocto-onl-linux-5.15.y/bisdn-kmeta/bsp/x86_64-intel/x86_64-intel.cfg

@@ -343,7 +343,7 @@ CONFIG_X86_UMIP=y
 CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS=y
 CONFIG_EFI=y
 # CONFIG_EFI_STUB is not set
-CONFIG_SECCOMP=y
+# CONFIG_SECCOMP is not set
 # CONFIG_HZ_100 is not set
 # CONFIG_HZ_250 is not set
 # CONFIG_HZ_300 is not set
@@ -605,7 +605,6 @@ CONFIG_HAVE_CMPXCHG_DOUBLE=y
 CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION=y
 CONFIG_ARCH_WANT_OLD_COMPAT_IPC=y
 CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
-CONFIG_SECCOMP_FILTER=y
 CONFIG_HAVE_ARCH_STACKLEAK=y
 CONFIG_HAVE_STACKPROTECTOR=y
 CONFIG_STACKPROTECTOR=y

recipes-kernel/linux/linux-yocto-onl-linux-6.6.y/0001-Revert-virtio-Add-prereqs-for-tiny.patch

@@ -0,0 +1,44 @@
+From 4f66bc6e58d52c6b03787439aa96ce8b0c5e01b9 Mon Sep 17 00:00:00 2001
+From: Jonas Gorski <[email protected]>
+Date: Thu, 22 May 2025 15:50:44 +0200
+Subject: [PATCH] Revert "virtio: Add prereqs for tiny"
+
+This enables DRM, and we have headless systems, so DRM just needlessly
+increases code size and attack surface.
+
+This reverts commit 26ae60b03262f71c03a2685aa649493b86369c1d.
+---
+ cfg/virtio.cfg | 7 -------
+ 1 file changed, 7 deletions(-)
+
+diff --git a/cfg/virtio.cfg b/cfg/virtio.cfg
+index 0ef99c6b8bb0..938d2da51e8c 100644
+--- a/cfg/virtio.cfg
++++ b/cfg/virtio.cfg
+@@ -1,23 +1,16 @@
+ # SPDX-License-Identifier: MIT
+ CONFIG_VIRTIO=y
+-CONFIG_VIRTIO_MENU=y
+ CONFIG_VIRTIO_PCI=y
+ CONFIG_VIRTIO_BALLOON=y
+-CONFIG_NET=y
+ CONFIG_VIRTIO_NET=y
+ CONFIG_VIRTIO_BLK=y
+-CONFIG_BLK_MQ_VIRTIO=y
+ CONFIG_VIRTIO_CONSOLE=y
+ CONFIG_VIRTIO_MMIO=y
+ CONFIG_VIRTIO_INPUT=m
+ CONFIG_HW_RANDOM=y
+ CONFIG_HW_RANDOM_VIRTIO=y
+-CONFIG_SCSI=y
+-CONFIG_SCSI_LOWLEVEL=y
+ CONFIG_SCSI_VIRTIO=y
+-CONFIG_CRYPTO=y
+ CONFIG_CRYPTO_DEV_VIRTIO=y
+-CONFIG_DRM=y
+ CONFIG_DRM_VIRTIO_GPU=y
+ CONFIG_VSOCKETS=y
+ CONFIG_VSOCKETS_DIAG=y
+-- 
+2.49.0
+

recipes-kernel/linux/linux-yocto-onl-linux-6.6.y/bisdn-kmeta/bsp/x86_64-intel/x86_64-intel.cfg

@@ -331,7 +331,7 @@ CONFIG_X86_UMIP=y
 CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS=y
 CONFIG_EFI=y
 # CONFIG_EFI_STUB is not set
-CONFIG_SECCOMP=y
+# CONFIG_SECCOMP is not set
 # CONFIG_HZ_100 is not set
 # CONFIG_HZ_250 is not set
 # CONFIG_HZ_300 is not set
@@ -589,7 +589,6 @@ CONFIG_HAVE_CMPXCHG_DOUBLE=y
 CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION=y
 CONFIG_ARCH_WANT_OLD_COMPAT_IPC=y
 CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
-CONFIG_SECCOMP_FILTER=y
 CONFIG_HAVE_ARCH_STACKLEAK=y
 CONFIG_HAVE_STACKPROTECTOR=y
 CONFIG_STACKPROTECTOR=y

recipes-kernel/linux/linux-yocto-onl_5.15.bb

@@ -45,3 +45,7 @@ module_conf_i2c-ismt = "blacklist i2c-ismt"
 # Blacklist i2c-i801 and only load it as needed.
 KERNEL_MODULE_PROBECONF:append:x86-64 = " i2c-i801"
 module_conf_i2c-i801 = "blacklist i2c-i801"
+
+# meta-virtualization does not provide a linux-yocto_5.15_virtualization.inc,
+# so we need to include it directly.
+include ${@bb.utils.contains('DISTRO_FEATURES', 'virtualization', 'recipes-kernel/linux/linux-yocto_virtualization.inc', '', d)}

recipes-kernel/linux/linux-yocto-onl_6.6.bb

@@ -26,7 +26,7 @@ SRC_URI += "\
 # We cannot use patches for that since patches are applied after parsing meta,
 # so the next best thing is copying a pre-commit version of the file.
 SRC_URI += "\
-    file://kernel-meta;type=kmeta;name=kernel-meta;destsuffix=kernel-meta \
+    file://0001-Revert-virtio-Add-prereqs-for-tiny.patch;patchdir=kernel-meta \
 "
 
 DEPENDS += "${@bb.utils.contains('ARCH', 'x86', 'elfutils-native', '', d)}"
@@ -45,7 +45,3 @@ module_conf_i2c-ismt = "blacklist i2c-ismt"
 # Blacklist i2c-i801 and only load it as needed.
 KERNEL_MODULE_PROBECONF:append:x86-64 = " i2c-i801"
 module_conf_i2c-i801 = "blacklist i2c-i801"
-
-# meta-virtualization does not provide a linux-yocto_6.6_virtualization.inc,
-# so we need to include it directly.
-include ${@bb.utils.contains('DISTRO_FEATURES', 'virtualization', 'recipes-kernel/linux/linux-yocto_virtualization.inc', '', d)}

recipes-kernel/linux/yocto-cfg-fragments.bbappend

@@ -0,0 +1,7 @@
+FILESEXTRAPATHS:prepend := "${THISDIR}/linux-yocto-onl-linux-${LINUX_VERSION}.y:"
+# "Revert" 917043019b46 ("virtio: Add prereqs for tiny") from yocto-kernel-cache
+# as it forces several subsystems like DRM on, which we do not need since none
+# of our devices have a GPU.
+SRC_URI += "\
+    file://0001-Revert-virtio-Add-prereqs-for-tiny.patch \
+"