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-rw-r--r--init/do_mounts.h22
-rw-r--r--init/initramfs.c30
-rw-r--r--init/main.c22
3 files changed, 34 insertions, 40 deletions
diff --git a/init/do_mounts.h b/init/do_mounts.h
index 067af1d9e8b6..282d65bfd674 100644
--- a/init/do_mounts.h
+++ b/init/do_mounts.h
@@ -19,29 +19,15 @@ static inline int create_dev(char *name, dev_t dev)
return sys_mknod(name, S_IFBLK|0600, new_encode_dev(dev));
}
-#if BITS_PER_LONG == 32
static inline u32 bstat(char *name)
{
- struct stat64 stat;
- if (sys_stat64(name, &stat) != 0)
+ struct kstat stat;
+ if (vfs_stat(name, &stat) != 0)
return 0;
- if (!S_ISBLK(stat.st_mode))
+ if (!S_ISBLK(stat.mode))
return 0;
- if (stat.st_rdev != (u32)stat.st_rdev)
- return 0;
- return stat.st_rdev;
-}
-#else
-static inline u32 bstat(char *name)
-{
- struct stat stat;
- if (sys_newstat(name, &stat) != 0)
- return 0;
- if (!S_ISBLK(stat.st_mode))
- return 0;
- return stat.st_rdev;
+ return stat.rdev;
}
-#endif
#ifdef CONFIG_BLK_DEV_RAM
diff --git a/init/initramfs.c b/init/initramfs.c
index 981f286c1d16..8a532050043f 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -312,10 +312,10 @@ static int __init maybe_link(void)
static void __init clean_path(char *path, umode_t fmode)
{
- struct stat st;
+ struct kstat st;
- if (!sys_newlstat(path, &st) && (st.st_mode ^ fmode) & S_IFMT) {
- if (S_ISDIR(st.st_mode))
+ if (!vfs_lstat(path, &st) && (st.mode ^ fmode) & S_IFMT) {
+ if (S_ISDIR(st.mode))
sys_rmdir(path);
else
sys_unlink(path);
@@ -581,13 +581,13 @@ static void __init clean_rootfs(void)
num = sys_getdents64(fd, dirp, BUF_SIZE);
while (num > 0) {
while (num > 0) {
- struct stat st;
+ struct kstat st;
int ret;
- ret = sys_newlstat(dirp->d_name, &st);
+ ret = vfs_lstat(dirp->d_name, &st);
WARN_ON_ONCE(ret);
if (!ret) {
- if (S_ISDIR(st.st_mode))
+ if (S_ISDIR(st.mode))
sys_rmdir(dirp->d_name);
else
sys_unlink(dirp->d_name);
@@ -608,10 +608,12 @@ static void __init clean_rootfs(void)
static int __init populate_rootfs(void)
{
+ /* Load the built in initramfs */
char *err = unpack_to_rootfs(__initramfs_start, __initramfs_size);
if (err)
panic("%s", err); /* Failed to decompress INTERNAL initramfs */
- if (initrd_start) {
+ /* If available load the bootloader supplied initrd */
+ if (initrd_start && !IS_ENABLED(CONFIG_INITRAMFS_FORCE)) {
#ifdef CONFIG_BLK_DEV_RAM
int fd;
printk(KERN_INFO "Trying to unpack rootfs image as initramfs...\n");
@@ -640,6 +642,7 @@ static int __init populate_rootfs(void)
free_initrd();
}
done:
+ /* empty statement */;
#else
printk(KERN_INFO "Unpacking initramfs...\n");
err = unpack_to_rootfs((char *)initrd_start,
@@ -648,13 +651,14 @@ static int __init populate_rootfs(void)
printk(KERN_EMERG "Initramfs unpacking failed: %s\n", err);
free_initrd();
#endif
- flush_delayed_fput();
- /*
- * Try loading default modules from initramfs. This gives
- * us a chance to load before device_initcalls.
- */
- load_default_modules();
}
+ flush_delayed_fput();
+ /*
+ * Try loading default modules from initramfs. This gives
+ * us a chance to load before device_initcalls.
+ */
+ load_default_modules();
+
return 0;
}
rootfs_initcall(populate_rootfs);
diff --git a/init/main.c b/init/main.c
index b0c11cbf5ddf..f866510472d7 100644
--- a/init/main.c
+++ b/init/main.c
@@ -27,7 +27,7 @@
#include <linux/initrd.h>
#include <linux/bootmem.h>
#include <linux/acpi.h>
-#include <linux/tty.h>
+#include <linux/console.h>
#include <linux/nmi.h>
#include <linux/percpu.h>
#include <linux/kmod.h>
@@ -495,7 +495,7 @@ asmlinkage __visible void __init start_kernel(void)
debug_objects_early_init();
/*
- * Set up the the initial canary ASAP:
+ * Set up the initial canary ASAP:
*/
boot_init_stack_canary();
@@ -504,10 +504,10 @@ asmlinkage __visible void __init start_kernel(void)
local_irq_disable();
early_boot_irqs_disabled = true;
-/*
- * Interrupts are still disabled. Do necessary setups, then
- * enable them
- */
+ /*
+ * Interrupts are still disabled. Do necessary setups, then
+ * enable them.
+ */
boot_cpu_init();
page_address_init();
pr_notice("%s", linux_banner);
@@ -545,6 +545,11 @@ asmlinkage __visible void __init start_kernel(void)
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()
@@ -570,7 +575,7 @@ asmlinkage __visible void __init start_kernel(void)
rcu_init();
- /* trace_printk() and trace points may be used after this */
+ /* Trace events are available after this */
trace_init();
context_tracking_init();
@@ -670,8 +675,6 @@ asmlinkage __visible void __init start_kernel(void)
efi_free_boot_services();
}
- ftrace_init();
-
/* Do the rest non-__init'ed, we're now alive */
rest_init();
}
@@ -959,6 +962,7 @@ static int __ref kernel_init(void *unused)
kernel_init_freeable();
/* need to finish all async __init code before freeing the memory */
async_synchronize_full();
+ ftrace_free_init_mem();
free_initmem();
mark_readonly();
system_state = SYSTEM_RUNNING;