Initial commit

meta-google/recipes-kernel/linux/files/gbmc-dev.cfg

@@ -0,0 +1,16 @@
+# Enable all kinds of kernel debug features
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DYNAMIC_DEBUG=y
+CONFIG_DEBUG_FS=y
+# Turn off DEBUG_INFO to compress image size.
+CONFIG_DEBUG_INFO=n
+CONFIG_FUNCTION_TRACER=y
+CONFIG_FUNCTION_GRAPH_TRACER=y
+CONFIG_STACK_TRACER=y
+CONFIG_DYNAMIC_FTRACE=y
+CONFIG_TEST_LOCKUP=y
+
+# We want to allow for sysrqs over the console
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_MAGIC_SYSRQ_SERIAL=y
+CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE=0x1

meta-google/recipes-kernel/linux/files/gbmc-prod.cfg

@@ -0,0 +1,2 @@
+# Prod builds should not have SYSRQ
+CONFIG_MAGIC_SYSRQ=n

meta-google/recipes-kernel/linux/files/gbmc.cfg

@@ -0,0 +1,75 @@
+# Appended gBMC kernel commandline
+CONFIG_CMDLINE="dummy.numdummies=0"
+CONFIG_CMDLINE_EXTEND=y
+
+# We still have commandline users of /dev/mem
+CONFIG_DEVMEM=y
+CONFIG_DEVMEM_BOOTPARAM=n
+
+# Unused implicitly included functionality
+CONFIG_IPV6_SIT=n
+
+# Used by gbmc nftables configurations
+CONFIG_NETFILTER=y
+CONFIG_NF_CONNTRACK=y
+CONFIG_NF_CONNTRACK_MARK=y
+CONFIG_NF_TABLES=y
+CONFIG_NFT_CT=y
+CONFIG_NF_TABLES_INET=y
+CONFIG_NFT_REJECT=y
+CONFIG_NFT_LOG=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_NF_LOG_IPV4=y
+CONFIG_NFT_FIB_IPV4=y
+CONFIG_IP_NF_FILTER=y
+CONFIG_IP_NF_TARGET_REJECT=y
+CONFIG_IP6_NF_IPTABLES=y
+CONFIG_NF_LOG_IPV6=y
+CONFIG_NFT_FIB_IPV6=y
+CONFIG_IP6_NF_FILTER=y
+CONFIG_IP6_NF_TARGET_REJECT=y
+
+# MGMT Bridge Required Features
+CONFIG_BRIDGE=y
+CONFIG_DUMMY=y
+# Support for bridge filter
+CONFIG_BRIDGE_NETFILTER=y
+CONFIG_NF_TABLES_BRIDGE=y
+CONFIG_BRIDGE_NF_EBTABLES=y
+CONFIG_VETH=y
+
+# Remove features we won't use
+CONFIG_WLAN=n
+CONFIG_SUSPEND=n
+CONFIG_USB_CHIPIDEA=n
+CONFIG_NETWORK_FILESYSTEMS=n
+CONFIG_RD_GZIP=n
+CONFIG_RD_BZIP2=n
+CONFIG_RD_LZMA=n
+CONFIG_RD_LZO=n
+CONFIG_RD_LZ4=n
+CONFIG_CRYPTO_LZO=n
+CONFIG_INPUT_LEDS=n
+CONFIG_INPUT_MOUSE=n
+CONFIG_KEYBOARD_ATKBD=n
+CONFIG_SERIO_LIBPS2=n
+
+# Features useful if a machine enables pstore for dumps
+CONFIG_PSTORE_DEFLATE_COMPRESS=n
+CONFIG_PSTORE_ZSTD_COMPRESS=y
+CONFIG_PSTORE_ZSTD_COMPRESS_DEFAULT=y
+CONFIG_PRINTK_TIME=y
+
+# Watchdog Related Configuration
+CONFIG_WATCHDOG_SYSFS=y
+CONFIG_WATCHDOG_HRTIMER_PRETIMEOUT=y
+CONFIG_WATCHDOG_PRETIMEOUT_GOV=y
+
+# All image debug features
+CONFIG_PANIC_ON_OOPS=y
+CONFIG_PANIC_TIMEOUT=10
+CONFIG_SOFTLOCKUP_DETECTOR=y
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y
+CONFIG_DETECT_HUNG_TASK=y
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC=y
+CONFIG_WQ_WATCHDOG=y