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authorWaldemar Brodkorb <wbx@openadk.org>2021-09-16 17:07:46 +0200
committerWaldemar Brodkorb <wbx@openadk.org>2021-09-16 18:49:41 +0200
commit4681bce5978bccba58dae4dbe0bf9ec0524b7131 (patch)
tree2c8e1e0a904bc519aa0ac3d26b92af65c46aa5fe /target/linux/patches
parent1a0dfceff06cca6b223cbfeee5b1b4d2169f9d18 (diff)
linux: update 5.4/5.10 to latest
Diffstat (limited to 'target/linux/patches')
-rw-r--r--target/linux/patches/5.10.30/mipsr6.patch113
-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.patch34
-rw-r--r--target/linux/patches/5.4.99/arm-thumb2.patch11
-rw-r--r--target/linux/patches/5.4.99/mipsr6.patch113
-rw-r--r--target/linux/patches/5.4.99/startup.patch1265
19 files changed, 34 insertions, 1502 deletions
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();
-+}