diff options
author | Waldemar Brodkorb <wbx@openadk.org> | 2021-09-16 17:07:46 +0200 |
---|---|---|
committer | Waldemar Brodkorb <wbx@openadk.org> | 2021-09-16 18:49:41 +0200 |
commit | 4681bce5978bccba58dae4dbe0bf9ec0524b7131 (patch) | |
tree | 2c8e1e0a904bc519aa0ac3d26b92af65c46aa5fe /target/linux | |
parent | 1a0dfceff06cca6b223cbfeee5b1b4d2169f9d18 (diff) |
linux: update 5.4/5.10 to latest
Diffstat (limited to 'target/linux')
-rw-r--r-- | target/linux/Config.in.kernelversion | 4 | ||||
-rw-r--r-- | target/linux/patches/5.10.30/mipsr6.patch | 113 | ||||
-rw-r--r-- | target/linux/patches/5.10.66/arc.patch (renamed from target/linux/patches/5.10.30/arc.patch) | 0 | ||||
-rw-r--r-- | target/linux/patches/5.10.66/darwin-dtc.patch (renamed from target/linux/patches/5.10.30/darwin-dtc.patch) | 0 | ||||
-rw-r--r-- | target/linux/patches/5.10.66/darwin-file2alias.patch (renamed from target/linux/patches/5.10.30/darwin-file2alias.patch) | 0 | ||||
-rw-r--r-- | target/linux/patches/5.10.66/dtc-noyaml.patch (renamed from target/linux/patches/5.10.30/dtc-noyaml.patch) | 0 | ||||
-rw-r--r-- | target/linux/patches/5.10.66/or1k-more-ram.patch (renamed from target/linux/patches/5.10.30/or1k-more-ram.patch) | 0 | ||||
-rw-r--r-- | target/linux/patches/5.10.66/relocs.patch (renamed from target/linux/patches/5.10.30/relocs.patch) | 0 | ||||
-rw-r--r-- | target/linux/patches/5.10.66/startup.patch (renamed from target/linux/patches/5.10.30/startup.patch) | 0 | ||||
-rw-r--r-- | target/linux/patches/5.4.147/arc.patch (renamed from target/linux/patches/5.4.99/arc.patch) | 0 | ||||
-rw-r--r-- | target/linux/patches/5.4.147/darwin-dtc.patch (renamed from target/linux/patches/5.4.99/darwin-dtc.patch) | 0 | ||||
-rw-r--r-- | target/linux/patches/5.4.147/darwin-file2alias.patch (renamed from target/linux/patches/5.4.99/darwin-file2alias.patch) | 0 | ||||
-rw-r--r-- | target/linux/patches/5.4.147/dtc-noyaml.patch (renamed from target/linux/patches/5.4.99/dtc-noyaml.patch) | 0 | ||||
-rw-r--r-- | target/linux/patches/5.4.147/or1k-more-ram.patch (renamed from target/linux/patches/5.4.99/or1k-more-ram.patch) | 0 | ||||
-rw-r--r-- | target/linux/patches/5.4.147/relocs.patch (renamed from target/linux/patches/5.4.99/relocs.patch) | 0 | ||||
-rw-r--r-- | target/linux/patches/5.4.147/sh4.patch (renamed from target/linux/patches/5.4.99/sh4.patch) | 0 | ||||
-rw-r--r-- | target/linux/patches/5.4.147/startup.patch | 34 | ||||
-rw-r--r-- | target/linux/patches/5.4.99/arm-thumb2.patch | 11 | ||||
-rw-r--r-- | target/linux/patches/5.4.99/mipsr6.patch | 113 | ||||
-rw-r--r-- | target/linux/patches/5.4.99/startup.patch | 1265 |
20 files changed, 36 insertions, 1504 deletions
diff --git a/target/linux/Config.in.kernelversion b/target/linux/Config.in.kernelversion index 992666748..e071019e9 100644 --- a/target/linux/Config.in.kernelversion +++ b/target/linux/Config.in.kernelversion @@ -38,7 +38,7 @@ config ADK_TARGET_LINUX_KERNEL_VERSION_GIT select ADK_TARGET_LINUX_KERNEL_IMAGE if ADK_TARGET_SYSTEM_BEAGLEBONE_BLACK config ADK_TARGET_LINUX_KERNEL_VERSION_5_10 - bool "5.10.30" + bool "5.10.66" depends on !ADK_TARGET_ARCH_AVR32 depends on !ADK_TARGET_ARCH_BFIN depends on !ADK_TARGET_ARCH_CRIS @@ -48,7 +48,7 @@ config ADK_TARGET_LINUX_KERNEL_VERSION_5_10 depends on !ADK_TARGET_CPU_ARM_CORTEX_A53 config ADK_TARGET_LINUX_KERNEL_VERSION_5_4 - bool "5.4.99" + bool "5.4.147" depends on !ADK_TARGET_ARCH_AVR32 depends on !ADK_TARGET_ARCH_BFIN depends on !ADK_TARGET_ARCH_CRIS diff --git a/target/linux/patches/5.10.30/mipsr6.patch b/target/linux/patches/5.10.30/mipsr6.patch deleted file mode 100644 index b8574797e..000000000 --- a/target/linux/patches/5.10.30/mipsr6.patch +++ /dev/null @@ -1,113 +0,0 @@ -diff -Nur linux-5.10.17.orig/arch/mips/include/asm/vdso/gettimeofday.h linux-5.10.17/arch/mips/include/asm/vdso/gettimeofday.h ---- linux-5.10.17.orig/arch/mips/include/asm/vdso/gettimeofday.h 2021-02-17 11:02:30.000000000 +0100 -+++ linux-5.10.17/arch/mips/include/asm/vdso/gettimeofday.h 2021-04-09 15:24:43.613709753 +0200 -@@ -30,12 +30,21 @@ - register long nr asm("v0") = __NR_gettimeofday; - register long error asm("a3"); - -+#if MIPS_ISA_REV >= 6 -+ asm volatile( -+ " syscall\n" -+ : "=r" (ret), "=r" (error) -+ : "r" (tv), "r" (tz), "r" (nr) -+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", -+ "$14", "$15", "$24", "$25", "memory"); -+#else - asm volatile( - " syscall\n" - : "=r" (ret), "=r" (error) - : "r" (tv), "r" (tz), "r" (nr) - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", - "$14", "$15", "$24", "$25", "hi", "lo", "memory"); -+#endif - - return error ? -ret : ret; - } -@@ -54,12 +63,21 @@ - #endif - register long error asm("a3"); - -+#if MIPS_ISA_REV >= 6 -+ asm volatile( -+ " syscall\n" -+ : "=r" (ret), "=r" (error) -+ : "r" (clkid), "r" (ts), "r" (nr) -+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", -+ "$14", "$15", "$24", "$25", "memory"); -+#else - asm volatile( - " syscall\n" - : "=r" (ret), "=r" (error) - : "r" (clkid), "r" (ts), "r" (nr) - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", - "$14", "$15", "$24", "$25", "hi", "lo", "memory"); -+#endif - - return error ? -ret : ret; - } -@@ -78,12 +96,21 @@ - #endif - register long error asm("a3"); - -+#if MIPS_ISA_REV >= 6 -+ asm volatile( -+ " syscall\n" -+ : "=r" (ret), "=r" (error) -+ : "r" (clkid), "r" (ts), "r" (nr) -+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", -+ "$14", "$15", "$24", "$25", "memory"); -+#else - asm volatile( - " syscall\n" - : "=r" (ret), "=r" (error) - : "r" (clkid), "r" (ts), "r" (nr) - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", - "$14", "$15", "$24", "$25", "hi", "lo", "memory"); -+#endif - - return error ? -ret : ret; - } -@@ -100,12 +127,21 @@ - register long nr asm("v0") = __NR_clock_gettime; - register long error asm("a3"); - -+#if MIPS_ISA_REV >= 6 -+ asm volatile( -+ " syscall\n" -+ : "=r" (ret), "=r" (error) -+ : "r" (clkid), "r" (ts), "r" (nr) -+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", -+ "$14", "$15", "$24", "$25", "memory"); -+#else - asm volatile( - " syscall\n" - : "=r" (ret), "=r" (error) - : "r" (clkid), "r" (ts), "r" (nr) - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", - "$14", "$15", "$24", "$25", "hi", "lo", "memory"); -+#endif - - return error ? -ret : ret; - } -@@ -120,12 +156,21 @@ - register long nr asm("v0") = __NR_clock_getres; - register long error asm("a3"); - -+#if MIPS_ISA_REV >= 6 -+ asm volatile( -+ " syscall\n" -+ : "=r" (ret), "=r" (error) -+ : "r" (clkid), "r" (ts), "r" (nr) -+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", -+ "$14", "$15", "$24", "$25", "memory"); -+#else - asm volatile( - " syscall\n" - : "=r" (ret), "=r" (error) - : "r" (clkid), "r" (ts), "r" (nr) - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", - "$14", "$15", "$24", "$25", "hi", "lo", "memory"); -+#endif - - return error ? -ret : ret; - } diff --git a/target/linux/patches/5.10.30/arc.patch b/target/linux/patches/5.10.66/arc.patch index 20810ce64..20810ce64 100644 --- a/target/linux/patches/5.10.30/arc.patch +++ b/target/linux/patches/5.10.66/arc.patch diff --git a/target/linux/patches/5.10.30/darwin-dtc.patch b/target/linux/patches/5.10.66/darwin-dtc.patch index 0cdc23ab4..0cdc23ab4 100644 --- a/target/linux/patches/5.10.30/darwin-dtc.patch +++ b/target/linux/patches/5.10.66/darwin-dtc.patch diff --git a/target/linux/patches/5.10.30/darwin-file2alias.patch b/target/linux/patches/5.10.66/darwin-file2alias.patch index fdbc598a8..fdbc598a8 100644 --- a/target/linux/patches/5.10.30/darwin-file2alias.patch +++ b/target/linux/patches/5.10.66/darwin-file2alias.patch diff --git a/target/linux/patches/5.10.30/dtc-noyaml.patch b/target/linux/patches/5.10.66/dtc-noyaml.patch index 759bb01f7..759bb01f7 100644 --- a/target/linux/patches/5.10.30/dtc-noyaml.patch +++ b/target/linux/patches/5.10.66/dtc-noyaml.patch diff --git a/target/linux/patches/5.10.30/or1k-more-ram.patch b/target/linux/patches/5.10.66/or1k-more-ram.patch index de848c838..de848c838 100644 --- a/target/linux/patches/5.10.30/or1k-more-ram.patch +++ b/target/linux/patches/5.10.66/or1k-more-ram.patch diff --git a/target/linux/patches/5.10.30/relocs.patch b/target/linux/patches/5.10.66/relocs.patch index 5bcd974c7..5bcd974c7 100644 --- a/target/linux/patches/5.10.30/relocs.patch +++ b/target/linux/patches/5.10.66/relocs.patch diff --git a/target/linux/patches/5.10.30/startup.patch b/target/linux/patches/5.10.66/startup.patch index 26583ff21..26583ff21 100644 --- a/target/linux/patches/5.10.30/startup.patch +++ b/target/linux/patches/5.10.66/startup.patch diff --git a/target/linux/patches/5.4.99/arc.patch b/target/linux/patches/5.4.147/arc.patch index 20810ce64..20810ce64 100644 --- a/target/linux/patches/5.4.99/arc.patch +++ b/target/linux/patches/5.4.147/arc.patch diff --git a/target/linux/patches/5.4.99/darwin-dtc.patch b/target/linux/patches/5.4.147/darwin-dtc.patch index 0cdc23ab4..0cdc23ab4 100644 --- a/target/linux/patches/5.4.99/darwin-dtc.patch +++ b/target/linux/patches/5.4.147/darwin-dtc.patch diff --git a/target/linux/patches/5.4.99/darwin-file2alias.patch b/target/linux/patches/5.4.147/darwin-file2alias.patch index fdbc598a8..fdbc598a8 100644 --- a/target/linux/patches/5.4.99/darwin-file2alias.patch +++ b/target/linux/patches/5.4.147/darwin-file2alias.patch diff --git a/target/linux/patches/5.4.99/dtc-noyaml.patch b/target/linux/patches/5.4.147/dtc-noyaml.patch index 759bb01f7..759bb01f7 100644 --- a/target/linux/patches/5.4.99/dtc-noyaml.patch +++ b/target/linux/patches/5.4.147/dtc-noyaml.patch diff --git a/target/linux/patches/5.4.99/or1k-more-ram.patch b/target/linux/patches/5.4.147/or1k-more-ram.patch index de848c838..de848c838 100644 --- a/target/linux/patches/5.4.99/or1k-more-ram.patch +++ b/target/linux/patches/5.4.147/or1k-more-ram.patch diff --git a/target/linux/patches/5.4.99/relocs.patch b/target/linux/patches/5.4.147/relocs.patch index 5bcd974c7..5bcd974c7 100644 --- a/target/linux/patches/5.4.99/relocs.patch +++ b/target/linux/patches/5.4.147/relocs.patch diff --git a/target/linux/patches/5.4.99/sh4.patch b/target/linux/patches/5.4.147/sh4.patch index 8ae79d49d..8ae79d49d 100644 --- a/target/linux/patches/5.4.99/sh4.patch +++ b/target/linux/patches/5.4.147/sh4.patch diff --git a/target/linux/patches/5.4.147/startup.patch b/target/linux/patches/5.4.147/startup.patch new file mode 100644 index 000000000..348cded65 --- /dev/null +++ b/target/linux/patches/5.4.147/startup.patch @@ -0,0 +1,34 @@ +diff -Nur linux-5.4.147.orig/init/initramfs.c linux-5.4.147/init/initramfs.c +--- linux-5.4.147.orig/init/initramfs.c 2021-09-16 12:56:14.000000000 +0200 ++++ linux-5.4.147/init/initramfs.c 2021-09-16 16:11:25.493140211 +0200 +@@ -674,6 +674,9 @@ + initrd_start = 0; + initrd_end = 0; + ++#ifdef CONFIG_DEVTMPFS_MOUNT ++ devtmpfs_mount("dev"); ++#endif + flush_delayed_fput(); + return 0; + } +diff -Nur linux-5.4.147.orig/init/main.c linux-5.4.147/init/main.c +--- linux-5.4.147.orig/init/main.c 2021-09-16 12:56:14.000000000 +0200 ++++ linux-5.4.147/init/main.c 2021-09-16 16:11:25.497140211 +0200 +@@ -1198,6 +1198,8 @@ + if (ksys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0) + pr_err("Warning: unable to open an initial console.\n"); + ++ printk(KERN_WARNING "Starting Linux (built with OpenADK).\n"); ++ + (void) ksys_dup(0); + (void) ksys_dup(0); + /* +@@ -1206,7 +1208,7 @@ + */ + + if (!ramdisk_execute_command) +- ramdisk_execute_command = "/init"; ++ ramdisk_execute_command = "/sbin/init"; + + if (ksys_access((const char __user *) + ramdisk_execute_command, 0) != 0) { diff --git a/target/linux/patches/5.4.99/arm-thumb2.patch b/target/linux/patches/5.4.99/arm-thumb2.patch deleted file mode 100644 index 351fa35c7..000000000 --- a/target/linux/patches/5.4.99/arm-thumb2.patch +++ /dev/null @@ -1,11 +0,0 @@ -diff -Nur linux-5.4.92.orig/arch/arm/vfp/vfphw.S linux-5.4.92/arch/arm/vfp/vfphw.S ---- linux-5.4.92.orig/arch/arm/vfp/vfphw.S 2021-01-23 15:58:01.000000000 +0100 -+++ linux-5.4.92/arch/arm/vfp/vfphw.S 2021-01-28 02:56:42.871473417 +0100 -@@ -81,6 +81,7 @@ - ldr r3, [sp, #S_PSR] @ Neither lazy restore nor FP exceptions - and r3, r3, #MODE_MASK @ are supported in kernel mode - teq r3, #USR_MODE -+THUMB( it ne ) - bne vfp_kmode_exception @ Returns through lr - - VFPFMRX r1, FPEXC @ Is the VFP enabled? diff --git a/target/linux/patches/5.4.99/mipsr6.patch b/target/linux/patches/5.4.99/mipsr6.patch deleted file mode 100644 index b8574797e..000000000 --- a/target/linux/patches/5.4.99/mipsr6.patch +++ /dev/null @@ -1,113 +0,0 @@ -diff -Nur linux-5.10.17.orig/arch/mips/include/asm/vdso/gettimeofday.h linux-5.10.17/arch/mips/include/asm/vdso/gettimeofday.h ---- linux-5.10.17.orig/arch/mips/include/asm/vdso/gettimeofday.h 2021-02-17 11:02:30.000000000 +0100 -+++ linux-5.10.17/arch/mips/include/asm/vdso/gettimeofday.h 2021-04-09 15:24:43.613709753 +0200 -@@ -30,12 +30,21 @@ - register long nr asm("v0") = __NR_gettimeofday; - register long error asm("a3"); - -+#if MIPS_ISA_REV >= 6 -+ asm volatile( -+ " syscall\n" -+ : "=r" (ret), "=r" (error) -+ : "r" (tv), "r" (tz), "r" (nr) -+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", -+ "$14", "$15", "$24", "$25", "memory"); -+#else - asm volatile( - " syscall\n" - : "=r" (ret), "=r" (error) - : "r" (tv), "r" (tz), "r" (nr) - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", - "$14", "$15", "$24", "$25", "hi", "lo", "memory"); -+#endif - - return error ? -ret : ret; - } -@@ -54,12 +63,21 @@ - #endif - register long error asm("a3"); - -+#if MIPS_ISA_REV >= 6 -+ asm volatile( -+ " syscall\n" -+ : "=r" (ret), "=r" (error) -+ : "r" (clkid), "r" (ts), "r" (nr) -+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", -+ "$14", "$15", "$24", "$25", "memory"); -+#else - asm volatile( - " syscall\n" - : "=r" (ret), "=r" (error) - : "r" (clkid), "r" (ts), "r" (nr) - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", - "$14", "$15", "$24", "$25", "hi", "lo", "memory"); -+#endif - - return error ? -ret : ret; - } -@@ -78,12 +96,21 @@ - #endif - register long error asm("a3"); - -+#if MIPS_ISA_REV >= 6 -+ asm volatile( -+ " syscall\n" -+ : "=r" (ret), "=r" (error) -+ : "r" (clkid), "r" (ts), "r" (nr) -+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", -+ "$14", "$15", "$24", "$25", "memory"); -+#else - asm volatile( - " syscall\n" - : "=r" (ret), "=r" (error) - : "r" (clkid), "r" (ts), "r" (nr) - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", - "$14", "$15", "$24", "$25", "hi", "lo", "memory"); -+#endif - - return error ? -ret : ret; - } -@@ -100,12 +127,21 @@ - register long nr asm("v0") = __NR_clock_gettime; - register long error asm("a3"); - -+#if MIPS_ISA_REV >= 6 -+ asm volatile( -+ " syscall\n" -+ : "=r" (ret), "=r" (error) -+ : "r" (clkid), "r" (ts), "r" (nr) -+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", -+ "$14", "$15", "$24", "$25", "memory"); -+#else - asm volatile( - " syscall\n" - : "=r" (ret), "=r" (error) - : "r" (clkid), "r" (ts), "r" (nr) - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", - "$14", "$15", "$24", "$25", "hi", "lo", "memory"); -+#endif - - return error ? -ret : ret; - } -@@ -120,12 +156,21 @@ - register long nr asm("v0") = __NR_clock_getres; - register long error asm("a3"); - -+#if MIPS_ISA_REV >= 6 -+ asm volatile( -+ " syscall\n" -+ : "=r" (ret), "=r" (error) -+ : "r" (clkid), "r" (ts), "r" (nr) -+ : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", -+ "$14", "$15", "$24", "$25", "memory"); -+#else - asm volatile( - " syscall\n" - : "=r" (ret), "=r" (error) - : "r" (clkid), "r" (ts), "r" (nr) - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", - "$14", "$15", "$24", "$25", "hi", "lo", "memory"); -+#endif - - return error ? -ret : ret; - } diff --git a/target/linux/patches/5.4.99/startup.patch b/target/linux/patches/5.4.99/startup.patch deleted file mode 100644 index e2f2ae65a..000000000 --- a/target/linux/patches/5.4.99/startup.patch +++ /dev/null @@ -1,1265 +0,0 @@ -diff -Nur linux-5.4.69.orig/init/initramfs.c linux-5.4.69/init/initramfs.c ---- linux-5.4.69.orig/init/initramfs.c 2020-10-01 13:19:27.000000000 +0200 -+++ linux-5.4.69/init/initramfs.c 2020-10-31 02:34:40.814412219 +0100 -@@ -674,6 +674,9 @@ - initrd_start = 0; - initrd_end = 0; - -+#ifdef CONFIG_DEVTMPFS_MOUNT -+ devtmpfs_mount("dev"); -+#endif - flush_delayed_fput(); - return 0; - } -diff -Nur linux-5.4.69.orig/init/main.c linux-5.4.69/init/main.c ---- linux-5.4.69.orig/init/main.c 2020-10-01 13:19:27.000000000 +0200 -+++ linux-5.4.69/init/main.c 2020-10-31 02:32:35.699678836 +0100 -@@ -1198,6 +1198,8 @@ - if (ksys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0) - pr_err("Warning: unable to open an initial console.\n"); - -+ printk(KERN_WARNING "Starting Linux (built with OpenADK).\n"); -+ - (void) ksys_dup(0); - (void) ksys_dup(0); - /* -@@ -1206,7 +1208,7 @@ - */ - - if (!ramdisk_execute_command) -- ramdisk_execute_command = "/init"; -+ ramdisk_execute_command = "/sbin/init"; - - if (ksys_access((const char __user *) - ramdisk_execute_command, 0) != 0) { -diff -Nur linux-5.4.69.orig/init/main.c.orig linux-5.4.69/init/main.c.orig ---- linux-5.4.69.orig/init/main.c.orig 1970-01-01 01:00:00.000000000 +0100 -+++ linux-5.4.69/init/main.c.orig 2020-10-01 13:19:27.000000000 +0200 -@@ -0,0 +1,1227 @@ -+// SPDX-License-Identifier: GPL-2.0-only -+/* -+ * linux/init/main.c -+ * -+ * Copyright (C) 1991, 1992 Linus Torvalds -+ * -+ * GK 2/5/95 - Changed to support mounting root fs via NFS -+ * Added initrd & change_root: Werner Almesberger & Hans Lermen, Feb '96 -+ * Moan early if gcc is old, avoiding bogus kernels - Paul Gortmaker, May '96 -+ * Simplified starting of init: Michael A. Griffith <grif@acm.org> -+ */ -+ -+#define DEBUG /* Enable initcall_debug */ -+ -+#include <linux/types.h> -+#include <linux/extable.h> -+#include <linux/module.h> -+#include <linux/proc_fs.h> -+#include <linux/binfmts.h> -+#include <linux/kernel.h> -+#include <linux/syscalls.h> -+#include <linux/stackprotector.h> -+#include <linux/string.h> -+#include <linux/ctype.h> -+#include <linux/delay.h> -+#include <linux/ioport.h> -+#include <linux/init.h> -+#include <linux/initrd.h> -+#include <linux/memblock.h> -+#include <linux/acpi.h> -+#include <linux/console.h> -+#include <linux/nmi.h> -+#include <linux/percpu.h> -+#include <linux/kmod.h> -+#include <linux/kprobes.h> -+#include <linux/vmalloc.h> -+#include <linux/kernel_stat.h> -+#include <linux/start_kernel.h> -+#include <linux/security.h> -+#include <linux/smp.h> -+#include <linux/profile.h> -+#include <linux/rcupdate.h> -+#include <linux/moduleparam.h> -+#include <linux/kallsyms.h> -+#include <linux/writeback.h> -+#include <linux/cpu.h> -+#include <linux/cpuset.h> -+#include <linux/cgroup.h> -+#include <linux/efi.h> -+#include <linux/tick.h> -+#include <linux/sched/isolation.h> -+#include <linux/interrupt.h> -+#include <linux/taskstats_kern.h> -+#include <linux/delayacct.h> -+#include <linux/unistd.h> -+#include <linux/utsname.h> -+#include <linux/rmap.h> -+#include <linux/mempolicy.h> -+#include <linux/key.h> -+#include <linux/buffer_head.h> -+#include <linux/page_ext.h> -+#include <linux/debug_locks.h> -+#include <linux/debugobjects.h> -+#include <linux/lockdep.h> -+#include <linux/kmemleak.h> -+#include <linux/pid_namespace.h> -+#include <linux/device.h> -+#include <linux/kthread.h> -+#include <linux/sched.h> -+#include <linux/sched/init.h> -+#include <linux/signal.h> -+#include <linux/idr.h> -+#include <linux/kgdb.h> -+#include <linux/ftrace.h> -+#include <linux/async.h> -+#include <linux/sfi.h> -+#include <linux/shmem_fs.h> -+#include <linux/slab.h> -+#include <linux/perf_event.h> -+#include <linux/ptrace.h> -+#include <linux/pti.h> -+#include <linux/blkdev.h> -+#include <linux/elevator.h> -+#include <linux/sched/clock.h> -+#include <linux/sched/task.h> -+#include <linux/sched/task_stack.h> -+#include <linux/context_tracking.h> -+#include <linux/random.h> -+#include <linux/list.h> -+#include <linux/integrity.h> -+#include <linux/proc_ns.h> -+#include <linux/io.h> -+#include <linux/cache.h> -+#include <linux/rodata_test.h> -+#include <linux/jump_label.h> -+#include <linux/mem_encrypt.h> -+ -+#include <asm/io.h> -+#include <asm/bugs.h> -+#include <asm/setup.h> -+#include <asm/sections.h> -+#include <asm/cacheflush.h> -+ -+#define CREATE_TRACE_POINTS -+#include <trace/events/initcall.h> -+ -+static int kernel_init(void *); -+ -+extern void init_IRQ(void); -+extern void radix_tree_init(void); -+ -+/* -+ * Debug helper: via this flag we know that we are in 'early bootup code' -+ * where only the boot processor is running with IRQ disabled. This means -+ * two things - IRQ must not be enabled before the flag is cleared and some -+ * operations which are not allowed with IRQ disabled are allowed while the -+ * flag is set. -+ */ -+bool early_boot_irqs_disabled __read_mostly; -+ -+enum system_states system_state __read_mostly; -+EXPORT_SYMBOL(system_state); -+ -+/* -+ * Boot command-line arguments -+ */ -+#define MAX_INIT_ARGS CONFIG_INIT_ENV_ARG_LIMIT -+#define MAX_INIT_ENVS CONFIG_INIT_ENV_ARG_LIMIT -+ -+extern void time_init(void); -+/* Default late time init is NULL. archs can override this later. */ -+void (*__initdata late_time_init)(void); -+ -+/* Untouched command line saved by arch-specific code. */ -+char __initdata boot_command_line[COMMAND_LINE_SIZE]; -+/* Untouched saved command line (eg. for /proc) */ -+char *saved_command_line; -+/* Command line for parameter parsing */ -+static char *static_command_line; -+/* Command line for per-initcall parameter parsing */ -+static char *initcall_command_line; -+ -+static char *execute_command; -+static char *ramdisk_execute_command; -+ -+/* -+ * Used to generate warnings if static_key manipulation functions are used -+ * before jump_label_init is called. -+ */ -+bool static_key_initialized __read_mostly; -+EXPORT_SYMBOL_GPL(static_key_initialized); -+ -+/* -+ * If set, this is an indication to the drivers that reset the underlying -+ * device before going ahead with the initialization otherwise driver might -+ * rely on the BIOS and skip the reset operation. -+ * -+ * This is useful if kernel is booting in an unreliable environment. -+ * For ex. kdump situation where previous kernel has crashed, BIOS has been -+ * skipped and devices will be in unknown state. -+ */ -+unsigned int reset_devices; -+EXPORT_SYMBOL(reset_devices); -+ -+static int __init set_reset_devices(char *str) -+{ -+ reset_devices = 1; -+ return 1; -+} -+ -+__setup("reset_devices", set_reset_devices); -+ -+static const char *argv_init[MAX_INIT_ARGS+2] = { "init", NULL, }; -+const char *envp_init[MAX_INIT_ENVS+2] = { "HOME=/", "TERM=linux", NULL, }; -+static const char *panic_later, *panic_param; -+ -+extern const struct obs_kernel_param __setup_start[], __setup_end[]; -+ -+static bool __init obsolete_checksetup(char *line) -+{ -+ const struct obs_kernel_param *p; -+ bool had_early_param = false; -+ -+ p = __setup_start; -+ do { -+ int n = strlen(p->str); -+ if (parameqn(line, p->str, n)) { -+ if (p->early) { -+ /* Already done in parse_early_param? -+ * (Needs exact match on param part). -+ * Keep iterating, as we can have early -+ * params and __setups of same names 8( */ -+ if (line[n] == '\0' || line[n] == '=') -+ had_early_param = true; -+ } else if (!p->setup_func) { -+ pr_warn("Parameter %s is obsolete, ignored\n", -+ p->str); -+ return true; -+ } else if (p->setup_func(line + n)) -+ return true; -+ } -+ p++; -+ } while (p < __setup_end); -+ -+ return had_early_param; -+} -+ -+/* -+ * This should be approx 2 Bo*oMips to start (note initial shift), and will -+ * still work even if initially too large, it will just take slightly longer -+ */ -+unsigned long loops_per_jiffy = (1<<12); -+EXPORT_SYMBOL(loops_per_jiffy); -+ -+static int __init debug_kernel(char *str) -+{ -+ console_loglevel = CONSOLE_LOGLEVEL_DEBUG; -+ return 0; -+} -+ -+static int __init quiet_kernel(char *str) -+{ -+ console_loglevel = CONSOLE_LOGLEVEL_QUIET; -+ return 0; -+} -+ -+early_param("debug", debug_kernel); -+early_param("quiet", quiet_kernel); -+ -+static int __init loglevel(char *str) -+{ -+ int newlevel; -+ -+ /* -+ * Only update loglevel value when a correct setting was passed, -+ * to prevent blind crashes (when loglevel being set to 0) that -+ * are quite hard to debug -+ */ -+ if (get_option(&str, &newlevel)) { -+ console_loglevel = newlevel; -+ return 0; -+ } -+ -+ return -EINVAL; -+} -+ -+early_param("loglevel", loglevel); -+ -+/* Change NUL term back to "=", to make "param" the whole string. */ -+static int __init repair_env_string(char *param, char *val, -+ const char *unused, void *arg) -+{ -+ if (val) { -+ /* param=val or param="val"? */ -+ if (val == param+strlen(param)+1) -+ val[-1] = '='; -+ else if (val == param+strlen(param)+2) { -+ val[-2] = '='; -+ memmove(val-1, val, strlen(val)+1); -+ val--; -+ } else -+ BUG(); -+ } -+ return 0; -+} -+ -+/* Anything after -- gets handed straight to init. */ -+static int __init set_init_arg(char *param, char *val, -+ const char *unused, void *arg) -+{ -+ unsigned int i; -+ -+ if (panic_later) -+ return 0; -+ -+ repair_env_string(param, val, unused, NULL); -+ -+ for (i = 0; argv_init[i]; i++) { -+ if (i == MAX_INIT_ARGS) { -+ panic_later = "init"; -+ panic_param = param; -+ return 0; -+ } -+ } -+ argv_init[i] = param; -+ return 0; -+} -+ -+/* -+ * Unknown boot options get handed to init, unless they look like -+ * unused parameters (modprobe will find them in /proc/cmdline). -+ */ -+static int __init unknown_bootoption(char *param, char *val, -+ const char *unused, void *arg) -+{ -+ repair_env_string(param, val, unused, NULL); -+ -+ /* Handle obsolete-style parameters */ -+ if (obsolete_checksetup(param)) -+ return 0; -+ -+ /* Unused module parameter. */ -+ if (strchr(param, '.') && (!val || strchr(param, '.') < val)) -+ return 0; -+ -+ if (panic_later) -+ return 0; -+ -+ if (val) { -+ /* Environment option */ -+ unsigned int i; -+ for (i = 0; envp_init[i]; i++) { -+ if (i == MAX_INIT_ENVS) { -+ panic_later = "env"; -+ panic_param = param; -+ } -+ if (!strncmp(param, envp_init[i], val - param)) -+ break; -+ } -+ envp_init[i] = param; -+ } else { -+ /* Command line option */ -+ unsigned int i; -+ for (i = 0; argv_init[i]; i++) { -+ if (i == MAX_INIT_ARGS) { -+ panic_later = "init"; -+ panic_param = param; -+ } -+ } -+ argv_init[i] = param; -+ } -+ return 0; -+} -+ -+static int __init init_setup(char *str) -+{ -+ unsigned int i; -+ -+ execute_command = str; -+ /* -+ * In case LILO is going to boot us with default command line, -+ * it prepends "auto" before the whole cmdline which makes -+ * the shell think it should execute a script with such name. -+ * So we ignore all arguments entered _before_ init=... [MJ] -+ */ -+ for (i = 1; i < MAX_INIT_ARGS; i++) -+ argv_init[i] = NULL; -+ return 1; -+} -+__setup("init=", init_setup); -+ -+static int __init rdinit_setup(char *str) -+{ -+ unsigned int i; -+ -+ ramdisk_execute_command = str; -+ /* See "auto" comment in init_setup */ -+ for (i = 1; i < MAX_INIT_ARGS; i++) -+ argv_init[i] = NULL; -+ return 1; -+} -+__setup("rdinit=", rdinit_setup); -+ -+#ifndef CONFIG_SMP -+static const unsigned int setup_max_cpus = NR_CPUS; -+static inline void setup_nr_cpu_ids(void) { } -+static inline void smp_prepare_cpus(unsigned int maxcpus) { } -+#endif -+ -+/* -+ * We need to store the untouched command line for future reference. -+ * We also need to store the touched command line since the parameter -+ * parsing is performed in place, and we should allow a component to -+ * store reference of name/value for future reference. -+ */ -+static void __init setup_command_line(char *command_line) -+{ -+ size_t len = strlen(boot_command_line) + 1; -+ -+ saved_command_line = memblock_alloc(len, SMP_CACHE_BYTES); -+ if (!saved_command_line) -+ panic("%s: Failed to allocate %zu bytes\n", __func__, len); -+ -+ initcall_command_line = memblock_alloc(len, SMP_CACHE_BYTES); -+ if (!initcall_command_line) -+ panic("%s: Failed to allocate %zu bytes\n", __func__, len); -+ -+ static_command_line = memblock_alloc(len, SMP_CACHE_BYTES); -+ if (!static_command_line) -+ panic("%s: Failed to allocate %zu bytes\n", __func__, len); -+ -+ strcpy(saved_command_line, boot_command_line); -+ strcpy(static_command_line, command_line); -+} -+ -+/* -+ * We need to finalize in a non-__init function or else race conditions -+ * between the root thread and the init thread may cause start_kernel to -+ * be reaped by free_initmem before the root thread has proceeded to -+ * cpu_idle. -+ * -+ * gcc-3.4 accidentally inlines this function, so use noinline. -+ */ -+ -+static __initdata DECLARE_COMPLETION(kthreadd_done); -+ -+noinline void __ref rest_init(void) -+{ -+ struct task_struct *tsk; -+ int pid; -+ -+ rcu_scheduler_starting(); -+ /* -+ * We need to spawn init first so that it obtains pid 1, however -+ * the init task will end up wanting to create kthreads, which, if -+ * we schedule it before we create kthreadd, will OOPS. -+ */ -+ pid = kernel_thread(kernel_init, NULL, CLONE_FS); -+ /* -+ * Pin init on the boot CPU. Task migration is not properly working -+ * until sched_init_smp() has been run. It will set the allowed -+ * CPUs for init to the non isolated CPUs. -+ */ -+ rcu_read_lock(); -+ tsk = find_task_by_pid_ns(pid, &init_pid_ns); -+ set_cpus_allowed_ptr(tsk, cpumask_of(smp_processor_id())); -+ rcu_read_unlock(); -+ -+ numa_default_policy(); -+ pid = kernel_thread(kthreadd, NULL, CLONE_FS | CLONE_FILES); -+ rcu_read_lock(); -+ kthreadd_task = find_task_by_pid_ns(pid, &init_pid_ns); -+ rcu_read_unlock(); -+ -+ /* -+ * Enable might_sleep() and smp_processor_id() checks. -+ * They cannot be enabled earlier because with CONFIG_PREEMPTION=y -+ * kernel_thread() would trigger might_sleep() splats. With -+ * CONFIG_PREEMPT_VOLUNTARY=y the init task might have scheduled -+ * already, but it's stuck on the kthreadd_done completion. -+ */ -+ system_state = SYSTEM_SCHEDULING; -+ -+ complete(&kthreadd_done); -+ -+ /* -+ * The boot idle thread must execute schedule() -+ * at least once to get things moving: -+ */ -+ schedule_preempt_disabled(); -+ /* Call into cpu_idle with preempt disabled */ -+ cpu_startup_entry(CPUHP_ONLINE); -+} -+ -+/* Check for early params. */ -+static int __init do_early_param(char *param, char *val, -+ const char *unused, void *arg) -+{ -+ const struct obs_kernel_param *p; -+ -+ for (p = __setup_start; p < __setup_end; p++) { -+ if ((p->early && parameq(param, p->str)) || -+ (strcmp(param, "console") == 0 && -+ strcmp(p->str, "earlycon") == 0) -+ ) { -+ if (p->setup_func(val) != 0) -+ pr_warn("Malformed early option '%s'\n", param); -+ } -+ } -+ /* We accept everything at this stage. */ -+ return 0; -+} -+ -+void __init parse_early_options(char *cmdline) -+{ -+ parse_args("early options", cmdline, NULL, 0, 0, 0, NULL, -+ do_early_param); -+} -+ -+/* Arch code calls this early on, or if not, just before other parsing. */ -+void __init parse_early_param(void) -+{ -+ static int done __initdata; -+ static char tmp_cmdline[COMMAND_LINE_SIZE] __initdata; -+ -+ if (done) -+ return; -+ -+ /* All fall through to do_early_param. */ -+ strlcpy(tmp_cmdline, boot_command_line, COMMAND_LINE_SIZE); -+ parse_early_options(tmp_cmdline); -+ done = 1; -+} -+ -+void __init __weak arch_post_acpi_subsys_init(void) { } -+ -+void __init __weak smp_setup_processor_id(void) -+{ -+} -+ -+# if THREAD_SIZE >= PAGE_SIZE -+void __init __weak thread_stack_cache_init(void) -+{ -+} -+#endif -+ -+void __init __weak mem_encrypt_init(void) { } -+ -+void __init __weak poking_init(void) { } -+ -+void __init __weak pgtable_cache_init(void) { } -+ -+bool initcall_debug; -+core_param(initcall_debug, initcall_debug, bool, 0644); -+ -+#ifdef TRACEPOINTS_ENABLED -+static void __init initcall_debug_enable(void); -+#else -+static inline void initcall_debug_enable(void) -+{ -+} -+#endif -+ -+/* Report memory auto-initialization states for this boot. */ -+static void __init report_meminit(void) -+{ -+ const char *stack; -+ -+ if (IS_ENABLED(CONFIG_INIT_STACK_ALL)) -+ stack = "all"; -+ else if (IS_ENABLED(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL)) -+ stack = "byref_all"; -+ else if (IS_ENABLED(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF)) -+ stack = "byref"; -+ else if (IS_ENABLED(CONFIG_GCC_PLUGIN_STRUCTLEAK_USER)) -+ stack = "__user"; -+ else -+ stack = "off"; -+ -+ pr_info("mem auto-init: stack:%s, heap alloc:%s, heap free:%s\n", -+ stack, want_init_on_alloc(GFP_KERNEL) ? "on" : "off", -+ want_init_on_free() ? "on" : "off"); -+ if (want_init_on_free()) -+ pr_info("mem auto-init: clearing system memory may take some time...\n"); -+} -+ -+/* -+ * Set up kernel memory allocators -+ */ -+static void __init mm_init(void) -+{ -+ /* -+ * page_ext requires contiguous pages, -+ * bigger than MAX_ORDER unless SPARSEMEM. -+ */ -+ page_ext_init_flatmem(); -+ init_debug_pagealloc(); -+ report_meminit(); -+ mem_init(); -+ kmem_cache_init(); -+ kmemleak_init(); -+ pgtable_init(); -+ debug_objects_mem_init(); -+ vmalloc_init(); -+ ioremap_huge_init(); -+ /* Should be run before the first non-init thread is created */ -+ init_espfix_bsp(); -+ /* Should be run after espfix64 is set up. */ -+ pti_init(); -+} -+ -+void __init __weak arch_call_rest_init(void) -+{ -+ rest_init(); -+} -+ -+asmlinkage __visible void __init start_kernel(void) -+{ -+ char *command_line; -+ char *after_dashes; -+ -+ set_task_stack_end_magic(&init_task); -+ smp_setup_processor_id(); -+ debug_objects_early_init(); -+ -+ cgroup_init_early(); -+ -+ local_irq_disable(); -+ early_boot_irqs_disabled = true; -+ -+ /* -+ * Interrupts are still disabled. Do necessary setups, then -+ * enable them. -+ */ -+ boot_cpu_init(); -+ page_address_init(); -+ pr_notice("%s", linux_banner); -+ early_security_init(); -+ setup_arch(&command_line); -+ setup_command_line(command_line); -+ setup_nr_cpu_ids(); -+ setup_per_cpu_areas(); -+ smp_prepare_boot_cpu(); /* arch-specific boot-cpu hooks */ -+ boot_cpu_hotplug_init(); -+ -+ build_all_zonelists(NULL); -+ page_alloc_init(); -+ -+ pr_notice("Kernel command line: %s\n", boot_command_line); -+ /* parameters may set static keys */ -+ jump_label_init(); -+ parse_early_param(); -+ after_dashes = parse_args("Booting kernel", -+ static_command_line, __start___param, -+ __stop___param - __start___param, -+ -1, -1, NULL, &unknown_bootoption); -+ if (!IS_ERR_OR_NULL(after_dashes)) -+ parse_args("Setting init args", after_dashes, NULL, 0, -1, -1, -+ NULL, set_init_arg); -+ -+ /* -+ * These use large bootmem allocations and must precede -+ * kmem_cache_init() -+ */ -+ setup_log_buf(0); -+ vfs_caches_init_early(); -+ sort_main_extable(); -+ trap_init(); -+ mm_init(); -+ -+ ftrace_init(); -+ -+ /* trace_printk can be enabled here */ -+ early_trace_init(); -+ -+ /* -+ * Set up the scheduler prior starting any interrupts (such as the -+ * timer interrupt). Full topology setup happens at smp_init() -+ * time - but meanwhile we still have a functioning scheduler. -+ */ -+ sched_init(); -+ /* -+ * Disable preemption - early bootup scheduling is extremely -+ * fragile until we cpu_idle() for the first time. -+ */ -+ preempt_disable(); -+ if (WARN(!irqs_disabled(), -+ "Interrupts were enabled *very* early, fixing it\n")) -+ local_irq_disable(); -+ radix_tree_init(); -+ -+ /* -+ * Set up housekeeping before setting up workqueues to allow the unbound -+ * workqueue to take non-housekeeping into account. -+ */ -+ housekeeping_init(); -+ -+ /* -+ * Allow workqueue creation and work item queueing/cancelling -+ * early. Work item execution depends on kthreads and starts after -+ * workqueue_init(). -+ */ -+ workqueue_init_early(); -+ -+ rcu_init(); -+ -+ /* Trace events are available after this */ -+ trace_init(); -+ -+ if (initcall_debug) -+ initcall_debug_enable(); -+ -+ context_tracking_init(); -+ /* init some links before init_ISA_irqs() */ -+ early_irq_init(); -+ init_IRQ(); -+ tick_init(); -+ rcu_init_nohz(); -+ init_timers(); -+ hrtimers_init(); -+ softirq_init(); -+ timekeeping_init(); -+ -+ /* -+ * For best initial stack canary entropy, prepare it after: -+ * - setup_arch() for any UEFI RNG entropy and boot cmdline access -+ * - timekeeping_init() for ktime entropy used in rand_initialize() -+ * - rand_initialize() to get any arch-specific entropy like RDRAND -+ * - add_latent_entropy() to get any latent entropy -+ * - adding command line entropy -+ */ -+ rand_initialize(); -+ add_latent_entropy(); -+ add_device_randomness(command_line, strlen(command_line)); -+ boot_init_stack_canary(); -+ -+ time_init(); -+ perf_event_init(); -+ profile_init(); -+ call_function_init(); -+ WARN(!irqs_disabled(), "Interrupts were enabled early\n"); -+ -+ early_boot_irqs_disabled = false; -+ local_irq_enable(); -+ -+ kmem_cache_init_late(); -+ -+ /* -+ * HACK ALERT! This is early. We're enabling the console before -+ * we've done PCI setups etc, and console_init() must be aware of -+ * this. But we do want output early, in case something goes wrong. -+ */ -+ console_init(); -+ if (panic_later) -+ panic("Too many boot %s vars at `%s'", panic_later, -+ panic_param); -+ -+ lockdep_init(); -+ -+ /* -+ * Need to run this when irqs are enabled, because it wants -+ * to self-test [hard/soft]-irqs on/off lock inversion bugs -+ * too: -+ */ -+ locking_selftest(); -+ -+ /* -+ * This needs to be called before any devices perform DMA -+ * operations that might use the SWIOTLB bounce buffers. It will -+ * mark the bounce buffers as decrypted so that their usage will -+ * not cause "plain-text" data to be decrypted when accessed. -+ */ -+ mem_encrypt_init(); -+ -+#ifdef CONFIG_BLK_DEV_INITRD -+ if (initrd_start && !initrd_below_start_ok && -+ page_to_pfn(virt_to_page((void *)initrd_start)) < min_low_pfn) { -+ pr_crit("initrd overwritten (0x%08lx < 0x%08lx) - disabling it.\n", -+ page_to_pfn(virt_to_page((void *)initrd_start)), -+ min_low_pfn); -+ initrd_start = 0; -+ } -+#endif -+ setup_per_cpu_pageset(); -+ numa_policy_init(); -+ acpi_early_init(); -+ if (late_time_init) -+ late_time_init(); -+ sched_clock_init(); -+ calibrate_delay(); -+ pid_idr_init(); -+ anon_vma_init(); -+#ifdef CONFIG_X86 -+ if (efi_enabled(EFI_RUNTIME_SERVICES)) -+ efi_enter_virtual_mode(); -+#endif -+ thread_stack_cache_init(); -+ cred_init(); -+ fork_init(); -+ proc_caches_init(); -+ uts_ns_init(); -+ buffer_init(); -+ key_init(); -+ security_init(); -+ dbg_late_init(); -+ vfs_caches_init(); -+ pagecache_init(); -+ signals_init(); -+ seq_file_init(); -+ proc_root_init(); -+ nsfs_init(); -+ cpuset_init(); -+ cgroup_init(); -+ taskstats_init_early(); -+ delayacct_init(); -+ -+ poking_init(); -+ check_bugs(); -+ -+ acpi_subsystem_init(); -+ arch_post_acpi_subsys_init(); -+ sfi_init_late(); -+ -+ /* Do the rest non-__init'ed, we're now alive */ -+ arch_call_rest_init(); -+ -+ prevent_tail_call_optimization(); -+} -+ -+/* Call all constructor functions linked into the kernel. */ -+static void __init do_ctors(void) -+{ -+#ifdef CONFIG_CONSTRUCTORS -+ ctor_fn_t *fn = (ctor_fn_t *) __ctors_start; -+ -+ for (; fn < (ctor_fn_t *) __ctors_end; fn++) -+ (*fn)(); -+#endif -+} -+ -+#ifdef CONFIG_KALLSYMS -+struct blacklist_entry { -+ struct list_head next; -+ char *buf; -+}; -+ -+static __initdata_or_module LIST_HEAD(blacklisted_initcalls); -+ -+static int __init initcall_blacklist(char *str) -+{ -+ char *str_entry; -+ struct blacklist_entry *entry; -+ -+ /* str argument is a comma-separated list of functions */ -+ do { -+ str_entry = strsep(&str, ","); -+ if (str_entry) { -+ pr_debug("blacklisting initcall %s\n", str_entry); -+ entry = memblock_alloc(sizeof(*entry), -+ SMP_CACHE_BYTES); -+ if (!entry) -+ panic("%s: Failed to allocate %zu bytes\n", -+ __func__, sizeof(*entry)); -+ entry->buf = memblock_alloc(strlen(str_entry) + 1, -+ SMP_CACHE_BYTES); -+ if (!entry->buf) -+ panic("%s: Failed to allocate %zu bytes\n", -+ __func__, strlen(str_entry) + 1); -+ strcpy(entry->buf, str_entry); -+ list_add(&entry->next, &blacklisted_initcalls); -+ } -+ } while (str_entry); -+ -+ return 0; -+} -+ -+static bool __init_or_module initcall_blacklisted(initcall_t fn) -+{ -+ struct blacklist_entry *entry; -+ char fn_name[KSYM_SYMBOL_LEN]; -+ unsigned long addr; -+ -+ if (list_empty(&blacklisted_initcalls)) -+ return false; -+ -+ addr = (unsigned long) dereference_function_descriptor(fn); -+ sprint_symbol_no_offset(fn_name, addr); -+ -+ /* -+ * fn will be "function_name [module_name]" where [module_name] is not -+ * displayed for built-in init functions. Strip off the [module_name]. -+ */ -+ strreplace(fn_name, ' ', '\0'); -+ -+ list_for_each_entry(entry, &blacklisted_initcalls, next) { -+ if (!strcmp(fn_name, entry->buf)) { -+ pr_debug("initcall %s blacklisted\n", fn_name); -+ return true; -+ } -+ } -+ -+ return false; -+} -+#else -+static int __init initcall_blacklist(char *str) -+{ -+ pr_warn("initcall_blacklist requires CONFIG_KALLSYMS\n"); -+ return 0; -+} -+ -+static bool __init_or_module initcall_blacklisted(initcall_t fn) -+{ -+ return false; -+} -+#endif -+__setup("initcall_blacklist=", initcall_blacklist); -+ -+static __init_or_module void -+trace_initcall_start_cb(void *data, initcall_t fn) -+{ -+ ktime_t *calltime = (ktime_t *)data; -+ -+ printk(KERN_DEBUG "calling %pS @ %i\n", fn, task_pid_nr(current)); -+ *calltime = ktime_get(); -+} -+ -+static __init_or_module void -+trace_initcall_finish_cb(void *data, initcall_t fn, int ret) -+{ -+ ktime_t *calltime = (ktime_t *)data; -+ ktime_t delta, rettime; -+ unsigned long long duration; -+ -+ rettime = ktime_get(); -+ delta = ktime_sub(rettime, *calltime); -+ duration = (unsigned long long) ktime_to_ns(delta) >> 10; -+ printk(KERN_DEBUG "initcall %pS returned %d after %lld usecs\n", -+ fn, ret, duration); -+} -+ -+static ktime_t initcall_calltime; -+ -+#ifdef TRACEPOINTS_ENABLED -+static void __init initcall_debug_enable(void) -+{ -+ int ret; -+ -+ ret = register_trace_initcall_start(trace_initcall_start_cb, -+ &initcall_calltime); -+ ret |= register_trace_initcall_finish(trace_initcall_finish_cb, -+ &initcall_calltime); -+ WARN(ret, "Failed to register initcall tracepoints\n"); -+} -+# define do_trace_initcall_start trace_initcall_start -+# define do_trace_initcall_finish trace_initcall_finish -+#else -+static inline void do_trace_initcall_start(initcall_t fn) -+{ -+ if (!initcall_debug) -+ return; -+ trace_initcall_start_cb(&initcall_calltime, fn); -+} -+static inline void do_trace_initcall_finish(initcall_t fn, int ret) -+{ -+ if (!initcall_debug) -+ return; -+ trace_initcall_finish_cb(&initcall_calltime, fn, ret); -+} -+#endif /* !TRACEPOINTS_ENABLED */ -+ -+int __init_or_module do_one_initcall(initcall_t fn) -+{ -+ int count = preempt_count(); -+ char msgbuf[64]; -+ int ret; -+ -+ if (initcall_blacklisted(fn)) -+ return -EPERM; -+ -+ do_trace_initcall_start(fn); -+ ret = fn(); -+ do_trace_initcall_finish(fn, ret); -+ -+ msgbuf[0] = 0; -+ -+ if (preempt_count() != count) { -+ sprintf(msgbuf, "preemption imbalance "); -+ preempt_count_set(count); -+ } -+ if (irqs_disabled()) { -+ strlcat(msgbuf, "disabled interrupts ", sizeof(msgbuf)); -+ local_irq_enable(); -+ } -+ WARN(msgbuf[0], "initcall %pS returned with %s\n", fn, msgbuf); -+ -+ add_latent_entropy(); -+ return ret; -+} -+ -+ -+extern initcall_entry_t __initcall_start[]; -+extern initcall_entry_t __initcall0_start[]; -+extern initcall_entry_t __initcall1_start[]; -+extern initcall_entry_t __initcall2_start[]; -+extern initcall_entry_t __initcall3_start[]; -+extern initcall_entry_t __initcall4_start[]; -+extern initcall_entry_t __initcall5_start[]; -+extern initcall_entry_t __initcall6_start[]; -+extern initcall_entry_t __initcall7_start[]; -+extern initcall_entry_t __initcall_end[]; -+ -+static initcall_entry_t *initcall_levels[] __initdata = { -+ __initcall0_start, -+ __initcall1_start, -+ __initcall2_start, -+ __initcall3_start, -+ __initcall4_start, -+ __initcall5_start, -+ __initcall6_start, -+ __initcall7_start, -+ __initcall_end, -+}; -+ -+/* Keep these in sync with initcalls in include/linux/init.h */ -+static const char *initcall_level_names[] __initdata = { -+ "pure", -+ "core", -+ "postcore", -+ "arch", -+ "subsys", -+ "fs", -+ "device", -+ "late", -+}; -+ -+static void __init do_initcall_level(int level) -+{ -+ initcall_entry_t *fn; -+ -+ strcpy(initcall_command_line, saved_command_line); -+ parse_args(initcall_level_names[level], -+ initcall_command_line, __start___param, -+ __stop___param - __start___param, -+ level, level, -+ NULL, &repair_env_string); -+ -+ trace_initcall_level(initcall_level_names[level]); -+ for (fn = initcall_levels[level]; fn < initcall_levels[level+1]; fn++) -+ do_one_initcall(initcall_from_entry(fn)); -+} -+ -+static void __init do_initcalls(void) -+{ -+ int level; -+ -+ for (level = 0; level < ARRAY_SIZE(initcall_levels) - 1; level++) -+ do_initcall_level(level); -+} -+ -+/* -+ * Ok, the machine is now initialized. None of the devices -+ * have been touched yet, but the CPU subsystem is up and -+ * running, and memory and process management works. -+ * -+ * Now we can finally start doing some real work.. -+ */ -+static void __init do_basic_setup(void) -+{ -+ cpuset_init_smp(); -+ driver_init(); -+ init_irq_proc(); -+ do_ctors(); -+ usermodehelper_enable(); -+ do_initcalls(); -+} -+ -+static void __init do_pre_smp_initcalls(void) -+{ -+ initcall_entry_t *fn; -+ -+ trace_initcall_level("early"); -+ for (fn = __initcall_start; fn < __initcall0_start; fn++) -+ do_one_initcall(initcall_from_entry(fn)); -+} -+ -+static int run_init_process(const char *init_filename) -+{ -+ argv_init[0] = init_filename; -+ pr_info("Run %s as init process\n", init_filename); -+ return do_execve(getname_kernel(init_filename), -+ (const char __user *const __user *)argv_init, -+ (const char __user *const __user *)envp_init); -+} -+ -+static int try_to_run_init_process(const char *init_filename) -+{ -+ int ret; -+ -+ ret = run_init_process(init_filename); -+ -+ if (ret && ret != -ENOENT) { -+ pr_err("Starting init: %s exists but couldn't execute it (error %d)\n", -+ init_filename, ret); -+ } -+ -+ return ret; -+} -+ -+static noinline void __init kernel_init_freeable(void); -+ -+#if defined(CONFIG_STRICT_KERNEL_RWX) || defined(CONFIG_STRICT_MODULE_RWX) -+bool rodata_enabled __ro_after_init = true; -+static int __init set_debug_rodata(char *str) -+{ -+ return strtobool(str, &rodata_enabled); -+} -+__setup("rodata=", set_debug_rodata); -+#endif -+ -+#ifdef CONFIG_STRICT_KERNEL_RWX -+static void mark_readonly(void) -+{ -+ if (rodata_enabled) { -+ /* -+ * load_module() results in W+X mappings, which are cleaned -+ * up with call_rcu(). Let's make sure that queued work is -+ * flushed so that we don't hit false positives looking for -+ * insecure pages which are W+X. -+ */ -+ rcu_barrier(); -+ mark_rodata_ro(); -+ rodata_test(); -+ } else -+ pr_info("Kernel memory protection disabled.\n"); -+} -+#else -+static inline void mark_readonly(void) -+{ -+ pr_warn("This architecture does not have kernel memory protection.\n"); -+} -+#endif -+ -+void __weak free_initmem(void) -+{ -+ free_initmem_default(POISON_FREE_INITMEM); -+} -+ -+static int __ref kernel_init(void *unused) -+{ -+ int ret; -+ -+ kernel_init_freeable(); -+ /* need to finish all async __init code before freeing the memory */ -+ async_synchronize_full(); -+ kprobe_free_init_mem(); -+ ftrace_free_init_mem(); -+ free_initmem(); -+ mark_readonly(); -+ -+ /* -+ * Kernel mappings are now finalized - update the userspace page-table -+ * to finalize PTI. -+ */ -+ pti_finalize(); -+ -+ system_state = SYSTEM_RUNNING; -+ numa_default_policy(); -+ -+ rcu_end_inkernel_boot(); -+ -+ if (ramdisk_execute_command) { -+ ret = run_init_process(ramdisk_execute_command); -+ if (!ret) -+ return 0; -+ pr_err("Failed to execute %s (error %d)\n", -+ ramdisk_execute_command, ret); -+ } -+ -+ /* -+ * We try each of these until one succeeds. -+ * -+ * The Bourne shell can be used instead of init if we are -+ * trying to recover a really broken machine. -+ */ -+ if (execute_command) { -+ ret = run_init_process(execute_command); -+ if (!ret) -+ return 0; -+ panic("Requested init %s failed (error %d).", -+ execute_command, ret); -+ } -+ 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")) -+ return 0; -+ -+ panic("No working init found. Try passing init= option to kernel. " -+ "See Linux Documentation/admin-guide/init.rst for guidance."); -+} -+ -+static noinline void __init kernel_init_freeable(void) -+{ -+ /* -+ * Wait until kthreadd is all set-up. -+ */ -+ wait_for_completion(&kthreadd_done); -+ -+ /* Now the scheduler is fully set up and can do blocking allocations */ -+ gfp_allowed_mask = __GFP_BITS_MASK; -+ -+ /* -+ * init can allocate pages on any node -+ */ -+ set_mems_allowed(node_states[N_MEMORY]); -+ -+ cad_pid = task_pid(current); -+ -+ smp_prepare_cpus(setup_max_cpus); -+ -+ workqueue_init(); -+ -+ init_mm_internals(); -+ -+ do_pre_smp_initcalls(); -+ lockup_detector_init(); -+ -+ smp_init(); -+ sched_init_smp(); -+ -+ page_alloc_init_late(); -+ /* Initialize page ext after all struct pages are initialized. */ -+ page_ext_init(); -+ -+ do_basic_setup(); -+ -+ /* Open the /dev/console on the rootfs, this should never fail */ -+ if (ksys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0) -+ pr_err("Warning: unable to open an initial console.\n"); -+ -+ (void) ksys_dup(0); -+ (void) ksys_dup(0); -+ /* -+ * check if there is an early userspace init. If yes, let it do all -+ * the work -+ */ -+ -+ if (!ramdisk_execute_command) -+ ramdisk_execute_command = "/init"; -+ -+ if (ksys_access((const char __user *) -+ ramdisk_execute_command, 0) != 0) { -+ ramdisk_execute_command = NULL; -+ prepare_namespace(); -+ } -+ -+ /* -+ * Ok, we have completed the initial bootup, and -+ * we're essentially up and running. Get rid of the -+ * initmem segments and start the user-mode stuff.. -+ * -+ * rootfs is available now, try loading the public keys -+ * and default modules -+ */ -+ -+ integrity_load_keys(); -+} |