diff options
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 14 | ||||
| -rw-r--r-- | init/init_task.c | 2 | ||||
| -rw-r--r-- | init/initramfs.c | 2 | ||||
| -rw-r--r-- | init/main.c | 20 | ||||
| -rw-r--r-- | init/version.c | 2 |
5 files changed, 28 insertions, 12 deletions
diff --git a/init/Kconfig b/init/Kconfig index c9446911cf41..b77c60f8b963 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -47,6 +47,10 @@ config CLANG_VERSION int default $(shell,$(srctree)/scripts/clang-version.sh $(CC)) +config LLD_VERSION + int + default $(shell,$(srctree)/scripts/lld-version.sh $(LD)) + config CC_CAN_LINK bool default $(success,$(srctree)/scripts/cc-can-link.sh $(CC) $(CLANG_FLAGS) $(m64-flag)) if 64BIT @@ -110,7 +114,7 @@ config INIT_ENV_ARG_LIMIT config COMPILE_TEST bool "Compile also drivers which will not load" - depends on !UML + depends on !UML && !S390 default n help Some drivers can be compiled on a different platform than they are @@ -719,7 +723,7 @@ config LOG_CPU_MAX_BUF_SHIFT with more CPUs. Therefore this value is used only when the sum of contributions is greater than the half of the default kernel ring buffer as defined by LOG_BUF_SHIFT. The default values are set - so that more than 64 CPUs are needed to trigger the allocation. + so that more than 16 CPUs are needed to trigger the allocation. Also this option is ignored when "log_buf_len" kernel parameter is used as it forces an exact (power of two) size of the ring buffer. @@ -1348,6 +1352,12 @@ config LD_DEAD_CODE_DATA_ELIMINATION present. This option is not well tested yet, so use at your own risk. +config LD_ORPHAN_WARN + def_bool y + depends on ARCH_WANT_LD_ORPHAN_WARN + depends on !LD_IS_LLD || LLD_VERSION >= 110000 + depends on $(ld-option,--orphan-handling=warn) + config SYSCTL bool diff --git a/init/init_task.c b/init/init_task.c index a56f0abb63e9..15f6eb93a04f 100644 --- a/init/init_task.c +++ b/init/init_task.c @@ -26,7 +26,7 @@ static struct signal_struct init_signals = { .multiprocess = HLIST_HEAD_INIT, .rlim = INIT_RLIMITS, .cred_guard_mutex = __MUTEX_INITIALIZER(init_signals.cred_guard_mutex), - .exec_update_mutex = __MUTEX_INITIALIZER(init_signals.exec_update_mutex), + .exec_update_lock = __RWSEM_INITIALIZER(init_signals.exec_update_lock), #ifdef CONFIG_POSIX_TIMERS .posix_timers = LIST_HEAD_INIT(init_signals.posix_timers), .cputimer = { diff --git a/init/initramfs.c b/init/initramfs.c index 1f97c0328a7a..55b74d7e5260 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -535,7 +535,7 @@ extern unsigned long __initramfs_size; #include <linux/initrd.h> #include <linux/kexec.h> -void __weak free_initrd_mem(unsigned long start, unsigned long end) +void __weak __init free_initrd_mem(unsigned long start, unsigned long end) { #ifdef CONFIG_ARCH_KEEP_MEMBLOCK unsigned long aligned_start = ALIGN_DOWN(start, PAGE_SIZE); diff --git a/init/main.c b/init/main.c index 20baced721ad..6feee7f11eaf 100644 --- a/init/main.c +++ b/init/main.c @@ -58,7 +58,6 @@ #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> @@ -288,8 +287,8 @@ static void * __init get_boot_config_from_initrd(u32 *_size, u32 *_csum) found: hdr = (u32 *)(data - 8); - size = hdr[0]; - csum = hdr[1]; + size = le32_to_cpu(hdr[0]); + csum = le32_to_cpu(hdr[1]); data = ((void *)hdr) - size; if ((unsigned long)data < initrd_start) { @@ -825,9 +824,11 @@ static void __init mm_init(void) * bigger than MAX_ORDER unless SPARSEMEM. */ page_ext_init_flatmem(); - init_debug_pagealloc(); + init_mem_debugging_and_hardening(); report_meminit(); mem_init(); + /* page_owner must be initialized after buddy is ready */ + page_ext_init_flatmem_late(); kmem_cache_init(); kmemleak_init(); pgtable_init(); @@ -1034,7 +1035,6 @@ asmlinkage __visible void __init __no_sanitize_address start_kernel(void) fork_init(); proc_caches_init(); uts_ns_init(); - buffer_init(); key_init(); security_init(); dbg_late_init(); @@ -1480,8 +1480,14 @@ void __init console_on_rootfs(void) struct file *file = filp_open("/dev/console", O_RDWR, 0); if (IS_ERR(file)) { - pr_err("Warning: unable to open an initial console.\n"); - return; + pr_err("Warning: unable to open an initial console. Fallback to ttynull.\n"); + register_ttynull_console(); + + file = filp_open("/dev/console", O_RDWR, 0); + if (IS_ERR(file)) { + pr_err("Warning: Failed to add ttynull console. No stdin, stdout, and stderr for the init process!\n"); + return; + } } init_dup(file); init_dup(file); diff --git a/init/version.c b/init/version.c index cba341161b58..80d2b7566b39 100644 --- a/init/version.c +++ b/init/version.c @@ -25,7 +25,7 @@ int version_string(LINUX_VERSION_CODE); #endif struct uts_namespace init_uts_ns = { - .kref = KREF_INIT(2), + .ns.count = REFCOUNT_INIT(2), .name = { .sysname = UTS_SYSNAME, .nodename = UTS_NODENAME, |