Kernel: Optimize boot time and add start/end messages

Signed-off-by: Gabriel Ionescu <gabriel.ionescu@enea.com>
Signed-off-by: Adrian Dudau <adrian.dudau@enea.com>

27 files changed, 178 insertions, 4 deletions

diff --git a/features/btrfs/btrfs_m.cfg b/features/btrfs/btrfs_m.cfg
new file mode 100644
index 0000000..3b4d425
--- /dev/null
+++ b/features/btrfs/btrfs_m.cfg
@@ -0,0 +1 @@
+CONFIG_BTRFS_FS=m
diff --git a/features/btrfs/btrfs_m.scc b/features/btrfs/btrfs_m.scc
new file mode 100644
index 0000000..4827556
--- /dev/null
+++ b/features/btrfs/btrfs_m.scc
@@ -0,0 +1,5 @@
+define KFEATURE_DESCRIPTION "Build BTRFS support as a module"
+
+define KFEATURE_COMPATIBILITY all
+
+kconf hardware btrfs_m.cfg
diff --git a/features/bus/pci_cnb20le_n.cfg b/features/bus/pci_cnb20le_n.cfg
new file mode 100644
index 0000000..a75dcef
--- /dev/null
+++ b/features/bus/pci_cnb20le_n.cfg
@@ -0,0 +1 @@
+# CONFIG_PCI_CNB20LE_QUIRK is not set
diff --git a/features/bus/pci_cnb20le_n.scc b/features/bus/pci_cnb20le_n.scc
new file mode 100644
index 0000000..c5da613
--- /dev/null
+++ b/features/bus/pci_cnb20le_n.scc
@@ -0,0 +1,5 @@
+define KFEATURE_DESCRIPTION "Disable support for CNB20LE chipset"
+
+define KFEATURE_COMPATIBILITY all
+
+kconf hardware pci_cnb20le_n.cfg
diff --git a/features/debug/debug_kernel_n.cfg b/features/debug/debug_kernel_n.cfg
index cabde95..77f41ef 100644
--- a/features/debug/debug_kernel_n.cfg
+++ b/features/debug/debug_kernel_n.cfg
@@ -5,5 +5,4 @@ CONFIG_PNP_DEBUG_MESSAGES=n
 CONFIG_SCHED_DEBUG=n
 CONFIG_DEBUG_PREEMPT=n
 CONFIG_X86_DEBUG_FPU=n
-CONFIG_X86_VERBOSE_BOOTUP=n
 CONFIG_EARLY_PRINTK=n
diff --git a/features/debug/debug_kernel_y.cfg b/features/debug/debug_kernel_y.cfg
index cb7617d..29399ad 100644
--- a/features/debug/debug_kernel_y.cfg
+++ b/features/debug/debug_kernel_y.cfg
@@ -6,4 +6,3 @@ CONFIG_PNP_DEBUG_MESSAGES=y
 CONFIG_SCHED_DEBUG=y
 CONFIG_DEBUG_PREEMPT=y
 CONFIG_X86_DEBUG_FPU=y
-CONFIG_X86_VERBOSE_BOOTUP=y
diff --git a/features/input/input_n.cfg b/features/input/input_n.cfg
new file mode 100644
index 0000000..ee422f2
--- /dev/null
+++ b/features/input/input_n.cfg
@@ -0,0 +1,3 @@
+CONFIG_SERIO=n
+CONFIG_INPUT_LEDS=n
+CONFIG_INPUT_EVDEV=n
diff --git a/features/input/input_n.scc b/features/input/input_n.scc
new file mode 100644
index 0000000..16aaa94
--- /dev/null
+++ b/features/input/input_n.scc
@@ -0,0 +1,5 @@
+define KFEATURE_DESCRIPTION "Disable inputs"
+
+define KFEATURE_COMPATIBILITY all
+
+kconf hardware input_n.cfg
diff --git a/features/intel-e1xxxx/e100_m.cfg b/features/intel-e1xxxx/e100_m.cfg
new file mode 100644
index 0000000..676b909
--- /dev/null
+++ b/features/intel-e1xxxx/e100_m.cfg
@@ -0,0 +1 @@
+CONFIG_E100=m
diff --git a/features/intel-e1xxxx/e100_m.scc b/features/intel-e1xxxx/e100_m.scc
new file mode 100644
index 0000000..42730b4
--- /dev/null
+++ b/features/intel-e1xxxx/e100_m.scc
@@ -0,0 +1,5 @@
+define KFEATURE_DESCRIPTION "Build E100 support as a module"
+
+define KFEATURE_COMPATIBILITY all
+
+kconf hardware e100_m.cfg
diff --git a/features/intel-e1xxxx/e1xxxx_m.cfg b/features/intel-e1xxxx/e1xxxx_m.cfg
new file mode 100644
index 0000000..c05e8c6
--- /dev/null
+++ b/features/intel-e1xxxx/e1xxxx_m.cfg
@@ -0,0 +1,3 @@
+CONFIG_E1000=m
+CONFIG_E1000E=m
+CONFIG_E1000E_HWTS=m
diff --git a/features/intel-e1xxxx/e1xxxx_m.scc b/features/intel-e1xxxx/e1xxxx_m.scc
new file mode 100644
index 0000000..d8a8f16
--- /dev/null
+++ b/features/intel-e1xxxx/e1xxxx_m.scc
@@ -0,0 +1,5 @@
+define KFEATURE_DESCRIPTION "Build E1xxxx drivers as modules"
+
+define KFEATURE_COMPATIBILITY all
+
+kconf hardware e1xxxx_m.cfg
diff --git a/features/ixgbe/ixgbe_m.cfg b/features/ixgbe/ixgbe_m.cfg
new file mode 100644
index 0000000..88d48ce
--- /dev/null
+++ b/features/ixgbe/ixgbe_m.cfg
@@ -0,0 +1,4 @@
+CONFIG_IXGB=m
+CONFIG_IXGBE=m
+CONFIG_IXGBEVF=m
+CONFIG_DCA=y
diff --git a/features/ixgbe/ixgbe_m.scc b/features/ixgbe/ixgbe_m.scc
new file mode 100644
index 0000000..25cd537
--- /dev/null
+++ b/features/ixgbe/ixgbe_m.scc
@@ -0,0 +1,4 @@
+define KFEATURE_DESCRIPTION "Build IXGB and IXGBE support as a modules"
+define KFEATURE_COMPATIBILITY board
+
+kconf hardware ixgbe_m.cfg
diff --git a/features/mdio/mdio_m.cfg b/features/mdio/mdio_m.cfg
new file mode 100644
index 0000000..c2915e9
--- /dev/null
+++ b/features/mdio/mdio_m.cfg
@@ -0,0 +1 @@
+CONFIG_MDIO=m
diff --git a/features/mdio/mdio_m.scc b/features/mdio/mdio_m.scc
new file mode 100644
index 0000000..654555e
--- /dev/null
+++ b/features/mdio/mdio_m.scc
@@ -0,0 +1,5 @@
+define KFEATURE_DESCRIPTION "Build MDIO support as a module"
+
+define KFEATURE_COMPATIBILITY all
+
+kconf hardware mdio_m.cfg
diff --git a/features/mii/mii_m.cfg b/features/mii/mii_m.cfg
new file mode 100644
index 0000000..b7d4f65
--- /dev/null
+++ b/features/mii/mii_m.cfg
@@ -0,0 +1 @@
+CONFIG_MII=m
diff --git a/features/mii/mii_m.scc b/features/mii/mii_m.scc
new file mode 100644
index 0000000..4899cc5
--- /dev/null
+++ b/features/mii/mii_m.scc
@@ -0,0 +1,5 @@
+define KFEATURE_DESCRIPTION "Build MII support as a module"
+
+define KFEATURE_COMPATIBILITY all
+
+kconf hardware mii_m.cfg
diff --git a/features/overlayfs/overlayfs_m.cfg b/features/overlayfs/overlayfs_m.cfg
new file mode 100644
index 0000000..b30428d
--- /dev/null
+++ b/features/overlayfs/overlayfs_m.cfg
@@ -0,0 +1 @@
+CONFIG_OVERLAY_FS=m
diff --git a/features/overlayfs/overlayfs_m.scc b/features/overlayfs/overlayfs_m.scc
new file mode 100644
index 0000000..7d4491c
--- /dev/null
+++ b/features/overlayfs/overlayfs_m.scc
@@ -0,0 +1,5 @@
+define KFEATURE_DESCRIPTION "Build overlay FS support as a module"
+
+define KFEATURE_COMPATIBILITY all
+
+kconf hardware overlayfs_m.cfg
diff --git a/features/printk/printk_n.cfg b/features/printk/printk_n.cfg
index d4c04cb..7f0df22 100644
--- a/features/printk/printk_n.cfg
+++ b/features/printk/printk_n.cfg
@@ -1,2 +1,3 @@
 CONFIG_PRINTK=n
 CONFIG_PRINTK_NMI=n
+CONFIG_X86_VERBOSE_BOOTUP=n
diff --git a/features/printk/printk_y.cfg b/features/printk/printk_y.cfg
index 522de7d..0fcc9f0 100644
--- a/features/printk/printk_y.cfg
+++ b/features/printk/printk_y.cfg
@@ -1,3 +1,4 @@
 CONFIG_PRINTK=y
 CONFIG_PRINTK_NMI=y
 CONFIG_EARLY_PRINTK=y
+CONFIG_X86_VERBOSE_BOOTUP=y
diff --git a/features/reduced_kernel_footprint/reduced_kernel_footprint.scc b/features/reduced_kernel_footprint/reduced_kernel_footprint.scc
index fe07e29..87a915f 100644
--- a/features/reduced_kernel_footprint/reduced_kernel_footprint.scc
+++ b/features/reduced_kernel_footprint/reduced_kernel_footprint.scc
@@ -11,10 +11,11 @@ include features/ata/ata_n.scc
 include features/backlight/backlight_n.scc
 include features/bug_support/bug_support_n.scc
 include features/bluetooth/bluetooth_n.scc
+include features/bus/pci_cnb20le_n.scc
 include features/cdrom/cdrom_n.scc
 include features/cdrom_fs/cdrom_fs_n.scc
 include features/cgroupdbg/cgroupdbg_n.scc
-include features/debug/debug_n.scc
+include features/debug/debug_kernel_n.scc
 include features/devcoredump/devcoredump_n.scc
 include features/display/display_n.scc
 include features/drm/drm_n.scc
@@ -26,6 +27,7 @@ include features/hid/hid_n.scc
 include features/hidsensor/hidsensor_n.scc
 include features/ieee802154/ieee802154_n.scc
 include features/inclinometer/inclinometer_n.scc
+include features/input/input_n.scc
 include features/keyboard/keyboard_n.scc
 include features/kgdb/kgdb_n.scc
 include features/kprobes/kprobes_n.scc
@@ -38,7 +40,6 @@ include features/mousedev/mousedev_n.scc
 include features/netdevices/netdevices_n.scc
 include features/nfc/nfc_n.scc
 include features/powermanagement/powermanagement_n.scc
-include features/printk/printk_n.scc
 include features/pcspkr/pcspkr_n.scc
 include features/rcudbg/rcudbg_n.scc
 include features/rfkill/rfkill_n.scc
@@ -53,5 +54,13 @@ include features/wireless/wireless_n.scc
 include features/wlan/wlan_n.scc
 
 # Added as loadable module
+include features/btrfs/btrfs_m.scc
+include features/intel-e1xxxx/e100_m.scc
+include features/intel-e1xxxx/e1xxxx_m.scc
+include features/ixgbe/ixgbe_m.scc
+include features/mdio/mdio_m.scc
+include features/mii/mii_m.scc
+include features/overlayfs/overlayfs_m.scc
 include features/usbnet/usbnet_m.scc
 include features/usbsupport/usbsupport_m.scc
+include features/xor_blocks/xor_blocks_m.scc
diff --git a/features/xor_blocks/xor_blocks_m.cfg b/features/xor_blocks/xor_blocks_m.cfg
new file mode 100644
index 0000000..584c49c
--- /dev/null
+++ b/features/xor_blocks/xor_blocks_m.cfg
@@ -0,0 +1 @@
+CONFIG_XOR_BLOCKS=m
diff --git a/features/xor_blocks/xor_blocks_m.scc b/features/xor_blocks/xor_blocks_m.scc
new file mode 100644
index 0000000..3ef6b9d
--- /dev/null
+++ b/features/xor_blocks/xor_blocks_m.scc
@@ -0,0 +1,5 @@
+define KFEATURE_DESCRIPTION "Build XOR blocks as a module"
+
+define KFEATURE_COMPATIBILITY all
+
+kconf hardware xor_blocks_m.cfg
diff --git a/patches/kernel_startend_msg/0001-printk-add-Enea-Linux-boot-start-end-messages.patch b/patches/kernel_startend_msg/0001-printk-add-Enea-Linux-boot-start-end-messages.patch
new file mode 100644
index 0000000..0fa8756
--- /dev/null
+++ b/patches/kernel_startend_msg/0001-printk-add-Enea-Linux-boot-start-end-messages.patch
@@ -0,0 +1,95 @@
+From b91730ba705d151577974d5fb9f5371a4569b467 Mon Sep 17 00:00:00 2001
+From: Adrian Calianu <adrian.calianu@enea.com>
+Date: Tue, 6 Jun 2017 15:47:54 +0200
+Subject: [PATCH 1/1] printk: add Enea Linux boot start/end messages
+
+Signed-off-by: Adrian Calianu <adrian.calianu@enea.com>
+---
+ arch/x86/boot/compressed/misc.c | 23 ++++++++++++-----------
+ init/main.c                     |  4 +++-
+ 2 files changed, 15 insertions(+), 12 deletions(-)
+
+diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
+index b3c5a5f0..9fdf3c6 100644
+--- a/arch/x86/boot/compressed/misc.c
++++ b/arch/x86/boot/compressed/misc.c
+@@ -202,10 +202,10 @@ static void handle_relocations(void *output, unsigned long output_len,
+                delta = virt_addr - LOAD_PHYSICAL_ADDR;
+
+        if (!delta) {
+-               debug_putstr("No relocation needed... ");
++               /* debug_putstr("No relocation needed... "); */
+                return;
+        }
+-       debug_putstr("Performing relocations... ");
++       /* debug_putstr("Performing relocations... "); */
+
+        /*
+         * Process relocations: 32 bit relocations first then 64 bit after.
+@@ -286,7 +286,7 @@ static void parse_elf(void *output)
+                return;
+        }
+
+-       debug_putstr("Parsing ELF... ");
++       /* debug_putstr("Parsing ELF... ");*/
+
+        phdrs = malloc(sizeof(*phdrs) * ehdr.e_phnum);
+        if (!phdrs)
+@@ -360,17 +360,18 @@ asmlinkage __visible void *extract_kernel(void *rmode, memptr heap,
+        cols = boot_params->screen_info.orig_video_cols;
+
+        console_init();
+-       debug_putstr("early console in extract_kernel\n");
++       /* debug_putstr("early console in extract_kernel\n");*/
++       debug_putstr("\n");debug_putstr("Enea Linux kernel boot start\n");
+
+        free_mem_ptr     = heap;        /* Heap */
+        free_mem_end_ptr = heap + BOOT_HEAP_SIZE;
+
+        /* Report initial kernel position details. */
+-       debug_putaddr(input_data);
+-       debug_putaddr(input_len);
+-       debug_putaddr(output);
+-       debug_putaddr(output_len);
+-       debug_putaddr(kernel_total_size);
++       /*debug_putaddr(input_data);           */
++       /*debug_putaddr(input_len);             */
++       /*debug_putaddr(output);               */
++       /*debug_putaddr(output_len);         */
++       /*debug_putaddr(kernel_total_size);*/
+
+        /*
+         * The memory hole needed for the kernel is the larger of either
+@@ -401,11 +402,11 @@ asmlinkage __visible void *extract_kernel(void *rmode, memptr heap,
+                error("Destination virtual address changed when not relocatable");
+ #endif
+
+-       debug_putstr("\nDecompressing Linux... ");
++       /*debug_putstr("\nDecompressing Linux... ");*/
+        __decompress(input_data, input_len, NULL, NULL, output, output_len,
+                        NULL, error);
+        parse_elf(output);
+        handle_relocations(output, output_len, virt_addr);
+-       debug_putstr("done.\nBooting the kernel.\n");
++       /*debug_putstr("done.\nBooting the kernel.\n");*/
+        return output;
+ }
+diff --git a/init/main.c b/init/main.c
+index 8358cbe..613caa1 100644
+--- a/init/main.c
++++ b/init/main.c
+@@ -976,8 +976,10 @@ static int __ref kernel_init(void *unused)
+        if (!try_to_run_init_process("/sbin/init") ||
+            !try_to_run_init_process("/etc/init") ||
+            !try_to_run_init_process("/bin/init") ||
+-           !try_to_run_init_process("/bin/sh"))
++           !try_to_run_init_process("/bin/sh")) {
++               printk(KERN_EMERG "Enea Linux kernel boot end\n");
+                return 0;
++    }
+
+        panic("No working init found.  Try passing init= option to kernel. "
+              "See Linux Documentation/init.txt for guidance.");
+--
+2.7.4
+
diff --git a/patches/kernel_startend_msg/kernel_startend_msg.scc b/patches/kernel_startend_msg/kernel_startend_msg.scc
new file mode 100644
index 0000000..e6da49c
--- /dev/null
+++ b/patches/kernel_startend_msg/kernel_startend_msg.scc
@@ -0,0 +1,4 @@
+define KFEATURE_DESCRIPTION "Enable the kernel to output messages when it starts and ends booting"
+define KFEATURE_COMPATIBILITY all
+
+patch 0001-printk-add-Enea-Linux-boot-start-end-messages.patch