#include <linux/rmap.h>
#include <linux/mempolicy.h>
#include <linux/key.h>
-#include <linux/page_ext.h>
#include <linux/debug_locks.h>
#include <linux/debugobjects.h>
#include <linux/lockdep.h>
static __initdata DECLARE_COMPLETION(kthreadd_done);
-noinline void __ref rest_init(void)
+noinline void __ref __noreturn rest_init(void)
{
struct task_struct *tsk;
int pid;
rcu_read_unlock();
numa_default_policy();
- pid = kernel_thread(kthreadd, NULL, CLONE_FS | CLONE_FILES);
+ pid = kernel_thread(kthreadd, NULL, NULL, CLONE_FS | CLONE_FILES);
rcu_read_lock();
kthreadd_task = find_task_by_pid_ns(pid, &init_pid_ns);
rcu_read_unlock();
}
#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_PATTERN))
- stack = "all(pattern)";
- else if (IS_ENABLED(CONFIG_INIT_STACK_ALL_ZERO))
- stack = "all(zero)";
- else if (IS_ENABLED(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF_ALL))
- stack = "byref_all(zero)";
- else if (IS_ENABLED(CONFIG_GCC_PLUGIN_STRUCTLEAK_BYREF))
- stack = "byref(zero)";
- else if (IS_ENABLED(CONFIG_GCC_PLUGIN_STRUCTLEAK_USER))
- stack = "__user(zero)";
- 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_mem_debugging_and_hardening();
- kfence_alloc_pool();
- report_meminit();
- kmsan_init_shadow();
- stack_depot_early_init();
- mem_init();
- mem_init_print_info();
- kmem_cache_init();
- /*
- * page_owner must be initialized after buddy is ready, and also after
- * slab is ready so that stack_depot_init() works properly
- */
- page_ext_init_flatmem_late();
- kmemleak_init();
- pgtable_init();
- debug_objects_mem_init();
- vmalloc_init();
- /* If no deferred init page_ext now, as vmap is fully initialized */
- if (!deferred_struct_pages)
- page_ext_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();
- kmsan_init_runtime();
- mm_cache_init();
-}
-
#ifdef CONFIG_RANDOMIZE_KSTACK_OFFSET
DEFINE_STATIC_KEY_MAYBE_RO(CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT,
randomize_kstack_offset);
early_param("randomize_kstack_offset", early_randomize_kstack_offset);
#endif
-void __init __weak arch_call_rest_init(void)
+void __init __weak __noreturn arch_call_rest_init(void)
{
rest_init();
}
memblock_free(unknown_options, len);
}
-asmlinkage __visible void __init __no_sanitize_address start_kernel(void)
+asmlinkage __visible void __init __no_sanitize_address __noreturn start_kernel(void)
{
char *command_line;
char *after_dashes;
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", saved_command_line);
/* parameters may set static keys */
jump_label_init();
/*
* These use large bootmem allocations and must precede
- * kmem_cache_init()
+ * initalization of page allocator
*/
setup_log_buf(0);
vfs_caches_init_early();
sort_main_extable();
trap_init();
- mm_init();
+ mm_core_init();
poking_init();
ftrace_init();
*/
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) {
late_time_init();
sched_clock_init();
calibrate_delay();
+
+ /*
+ * 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. It
+ * must be called after late_time_init() so that Hyper-V x86/x64
+ * hypercalls work when the SWIOTLB bounce buffers are decrypted.
+ */
+ mem_encrypt_init();
+
pid_idr_init();
anon_vma_init();
#ifdef CONFIG_X86
padata_init();
page_alloc_init_late();
- /* Initialize page ext after all struct pages are initialized. */
- if (deferred_struct_pages)
- page_ext_init();
do_basic_setup();
projects / linux-block.git / blobdiff