diff options
Diffstat (limited to 'init')
| -rw-r--r-- | init/Kconfig | 18 | ||||
| -rw-r--r-- | init/main.c | 39 |
2 files changed, 46 insertions, 11 deletions
diff --git a/init/Kconfig b/init/Kconfig index 9506299a53e3..cfee56c151f1 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -54,11 +54,12 @@ config CC_DISABLE_WARN_MAYBE_UNINITIALIZED config CONSTRUCTORS bool + depends on !UML config IRQ_WORK bool -config BUILDTIME_EXTABLE_SORT +config BUILDTIME_TABLE_SORT bool config THREAD_INFO_IN_TASK @@ -1080,6 +1081,14 @@ config UTS_NS In this namespace tasks see different info provided with the uname() system call +config TIME_NS + bool "TIME namespace" + depends on GENERIC_VDSO_TIME_NS + default y + help + In this namespace boottime and monotonic clocks can be set. + The time will keep going with the same pace. + config IPC_NS bool "IPC namespace" depends on (SYSVIPC || POSIX_MQUEUE) @@ -1618,6 +1627,9 @@ config BPF_SYSCALL Enable the bpf() system call that allows to manipulate eBPF programs and maps via file descriptors. +config ARCH_WANT_DEFAULT_BPF_JIT + bool + config BPF_JIT_ALWAYS_ON bool "Permanently enable BPF JIT and remove BPF interpreter" depends on BPF_SYSCALL && HAVE_EBPF_JIT && BPF_JIT @@ -1625,6 +1637,10 @@ config BPF_JIT_ALWAYS_ON Enables BPF JIT and removes BPF interpreter to avoid speculative execution of BPF instructions by the interpreter +config BPF_JIT_DEFAULT_ON + def_bool ARCH_WANT_DEFAULT_BPF_JIT || BPF_JIT_ALWAYS_ON + depends on HAVE_EBPF_JIT && BPF_JIT + config USERFAULTFD bool "Enable userfaultfd() system call" depends on MMU diff --git a/init/main.c b/init/main.c index 491f1cdb3105..cc0ee4873419 100644 --- a/init/main.c +++ b/init/main.c @@ -64,7 +64,7 @@ #include <linux/lockdep.h> #include <linux/kmemleak.h> #include <linux/pid_namespace.h> -#include <linux/device.h> +#include <linux/device/driver.h> #include <linux/kthread.h> #include <linux/sched.h> #include <linux/sched/init.h> @@ -399,8 +399,7 @@ not_found: #endif /* 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) +static void __init repair_env_string(char *param, char *val) { if (val) { /* param=val or param="val"? */ @@ -409,11 +408,9 @@ static int __init repair_env_string(char *param, char *val, 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. */ @@ -425,7 +422,7 @@ static int __init set_init_arg(char *param, char *val, if (panic_later) return 0; - repair_env_string(param, val, unused, NULL); + repair_env_string(param, val); for (i = 0; argv_init[i]; i++) { if (i == MAX_INIT_ARGS) { @@ -445,14 +442,16 @@ static int __init set_init_arg(char *param, char *val, static int __init unknown_bootoption(char *param, char *val, const char *unused, void *arg) { - repair_env_string(param, val, unused, NULL); + size_t len = strlen(param); + + repair_env_string(param, val); /* Handle obsolete-style parameters */ if (obsolete_checksetup(param)) return 0; /* Unused module parameter. */ - if (strchr(param, '.') && (!val || strchr(param, '.') < val)) + if (strnchr(param, len, '.')) return 0; if (panic_later) @@ -466,7 +465,7 @@ static int __init unknown_bootoption(char *param, char *val, panic_later = "env"; panic_param = param; } - if (!strncmp(param, envp_init[i], val - param)) + if (!strncmp(param, envp_init[i], len+1)) break; } envp_init[i] = param; @@ -734,6 +733,7 @@ static void __init mm_init(void) * bigger than MAX_ORDER unless SPARSEMEM. */ page_ext_init_flatmem(); + init_debug_pagealloc(); report_meminit(); mem_init(); kmem_cache_init(); @@ -1175,6 +1175,12 @@ static const char *initcall_level_names[] __initdata = { "late", }; +static int __init ignore_unknown_bootoption(char *param, char *val, + const char *unused, void *arg) +{ + return 0; +} + static void __init do_initcall_level(int level, char *command_line) { initcall_entry_t *fn; @@ -1183,7 +1189,7 @@ static void __init do_initcall_level(int level, char *command_line) command_line, __start___param, __stop___param - __start___param, level, level, - NULL, &repair_env_string); + NULL, ignore_unknown_bootoption); trace_initcall_level(initcall_level_names[level]); for (fn = initcall_levels[level]; fn < initcall_levels[level+1]; fn++) @@ -1237,8 +1243,16 @@ static void __init do_pre_smp_initcalls(void) static int run_init_process(const char *init_filename) { + const char *const *p; + argv_init[0] = init_filename; pr_info("Run %s as init process\n", init_filename); + pr_debug(" with arguments:\n"); + for (p = argv_init; *p; p++) + pr_debug(" %s\n", *p); + pr_debug(" with environment:\n"); + for (p = envp_init; *p; p++) + pr_debug(" %s\n", *p); return do_execve(getname_kernel(init_filename), (const char __user *const __user *)argv_init, (const char __user *const __user *)envp_init); @@ -1285,6 +1299,11 @@ static void mark_readonly(void) } else pr_info("Kernel memory protection disabled.\n"); } +#elif defined(CONFIG_ARCH_HAS_STRICT_KERNEL_RWX) +static inline void mark_readonly(void) +{ + pr_warn("Kernel memory protection not selected by kernel config.\n"); +} #else static inline void mark_readonly(void) { |