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authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-22 12:34:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-22 12:34:08 -0700
commitcd9b44f90763c3367e8dd0601849ffb028e8ba52 (patch)
treed1da0c2d49e3622fe51584a154ab383b3e783c1b /init
parentdf2def49c57b4146520a1f4ca37bc3f494e2cd67 (diff)
parent2a9d6481004215da8e93edb588cf448f2af80303 (diff)
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Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton: - the rest of MM - procfs updates - various misc things - more y2038 fixes - get_maintainer updates - lib/ updates - checkpatch updates - various epoll updates - autofs updates - hfsplus - some reiserfs work - fatfs updates - signal.c cleanups - ipc/ updates * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (166 commits) ipc/util.c: update return value of ipc_getref from int to bool ipc/util.c: further variable name cleanups ipc: simplify ipc initialization ipc: get rid of ids->tables_initialized hack lib/rhashtable: guarantee initial hashtable allocation lib/rhashtable: simplify bucket_table_alloc() ipc: drop ipc_lock() ipc/util.c: correct comment in ipc_obtain_object_check ipc: rename ipcctl_pre_down_nolock() ipc/util.c: use ipc_rcu_putref() for failues in ipc_addid() ipc: reorganize initialization of kern_ipc_perm.seq ipc: compute kern_ipc_perm.id under the ipc lock init/Kconfig: remove EXPERT from CHECKPOINT_RESTORE fs/sysv/inode.c: use ktime_get_real_seconds() for superblock stamp adfs: use timespec64 for time conversion kernel/sysctl.c: fix typos in comments drivers/rapidio/devices/rio_mport_cdev.c: remove redundant pointer md fork: don't copy inconsistent signal handler state to child signal: make get_signal() return bool signal: make sigkill_pending() return bool ...
Diffstat (limited to 'init')
-rw-r--r--init/Kconfig28
-rw-r--r--init/do_mounts.c10
-rw-r--r--init/do_mounts_initrd.c10
-rw-r--r--init/do_mounts_md.c10
-rw-r--r--init/do_mounts_rd.c10
-rw-r--r--init/initramfs.c10
-rw-r--r--init/main.c33
7 files changed, 31 insertions, 80 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 9bd50ba8253f..641dd7dd7c8a 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -436,7 +436,7 @@ config BSD_PROCESS_ACCT_V3
help
If you say Y here, the process accounting information is written
in a new file format that also logs the process IDs of each
- process and it's parent. Note that this file format is incompatible
+ process and its parent. Note that this file format is incompatible
with previous v0/v1/v2 file formats, so you will need updated tools
for processing it. A preliminary version of these tools is available
at <http://www.gnu.org/software/acct/>.
@@ -967,6 +967,18 @@ config NET_NS
endif # NAMESPACES
+config CHECKPOINT_RESTORE
+ bool "Checkpoint/restore support"
+ select PROC_CHILDREN
+ default n
+ help
+ Enables additional kernel features in a sake of checkpoint/restore.
+ In particular it adds auxiliary prctl codes to setup process text,
+ data and heap segment sizes, and a few additional /proc filesystem
+ entries.
+
+ If unsure, say N here.
+
config SCHED_AUTOGROUP
bool "Automatic process group scheduling"
select CGROUPS
@@ -1383,18 +1395,6 @@ config MEMBARRIER
If unsure, say Y.
-config CHECKPOINT_RESTORE
- bool "Checkpoint/restore support" if EXPERT
- select PROC_CHILDREN
- default n
- help
- Enables additional kernel features in a sake of checkpoint/restore.
- In particular it adds auxiliary prctl codes to setup process text,
- data and heap segment sizes, and a few additional /proc filesystem
- entries.
-
- If unsure, say N here.
-
config KALLSYMS
bool "Load all symbols for debugging/ksymoops" if EXPERT
default y
@@ -1702,7 +1702,7 @@ config MMAP_ALLOW_UNINITIALIZED
default n
help
Normally, and according to the Linux spec, anonymous memory obtained
- from mmap() has it's contents cleared before it is passed to
+ from mmap() has its contents cleared before it is passed to
userspace. Enabling this config option allows you to request that
mmap() skip that if it is given an MAP_UNINITIALIZED flag, thus
providing a huge performance boost. If this option is not enabled,
diff --git a/init/do_mounts.c b/init/do_mounts.c
index 2c71dabe5626..e1c9afa9d8c9 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -1,13 +1,3 @@
-/*
- * Many of the syscalls used in this file expect some of the arguments
- * to be __user pointers not __kernel pointers. To limit the sparse
- * noise, turn off sparse checking for this file.
- */
-#ifdef __CHECKER__
-#undef __CHECKER__
-#warning "Sparse checking disabled for this file"
-#endif
-
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/ctype.h>
diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
index 5a91aefa7305..d1a5d885ce13 100644
--- a/init/do_mounts_initrd.c
+++ b/init/do_mounts_initrd.c
@@ -1,14 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-/*
- * Many of the syscalls used in this file expect some of the arguments
- * to be __user pointers not __kernel pointers. To limit the sparse
- * noise, turn off sparse checking for this file.
- */
-#ifdef __CHECKER__
-#undef __CHECKER__
-#warning "Sparse checking disabled for this file"
-#endif
-
#include <linux/unistd.h>
#include <linux/kernel.h>
#include <linux/fs.h>
diff --git a/init/do_mounts_md.c b/init/do_mounts_md.c
index 7d85d172bc7e..b84031528dd4 100644
--- a/init/do_mounts_md.c
+++ b/init/do_mounts_md.c
@@ -1,14 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-/*
- * Many of the syscalls used in this file expect some of the arguments
- * to be __user pointers not __kernel pointers. To limit the sparse
- * noise, turn off sparse checking for this file.
- */
-#ifdef __CHECKER__
-#undef __CHECKER__
-#warning "Sparse checking disabled for this file"
-#endif
-
#include <linux/delay.h>
#include <linux/raid/md_u.h>
#include <linux/raid/md_p.h>
diff --git a/init/do_mounts_rd.c b/init/do_mounts_rd.c
index 035a5f0ab26b..32fb049d18f9 100644
--- a/init/do_mounts_rd.c
+++ b/init/do_mounts_rd.c
@@ -1,14 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-/*
- * Many of the syscalls used in this file expect some of the arguments
- * to be __user pointers not __kernel pointers. To limit the sparse
- * noise, turn off sparse checking for this file.
- */
-#ifdef __CHECKER__
-#undef __CHECKER__
-#warning "Sparse checking disabled for this file"
-#endif
-
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/minix_fs.h>
diff --git a/init/initramfs.c b/init/initramfs.c
index 13643c46ebab..640557788026 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -1,14 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-/*
- * Many of the syscalls used in this file expect some of the arguments
- * to be __user pointers not __kernel pointers. To limit the sparse
- * noise, turn off sparse checking for this file.
- */
-#ifdef __CHECKER__
-#undef __CHECKER__
-#warning "Sparse checking disabled for this file"
-#endif
-
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/slab.h>
diff --git a/init/main.c b/init/main.c
index b729e1f22838..18f8f0140fa0 100644
--- a/init/main.c
+++ b/init/main.c
@@ -902,18 +902,18 @@ int __init_or_module do_one_initcall(initcall_t fn)
}
-extern initcall_t __initcall_start[];
-extern initcall_t __initcall0_start[];
-extern initcall_t __initcall1_start[];
-extern initcall_t __initcall2_start[];
-extern initcall_t __initcall3_start[];
-extern initcall_t __initcall4_start[];
-extern initcall_t __initcall5_start[];
-extern initcall_t __initcall6_start[];
-extern initcall_t __initcall7_start[];
-extern initcall_t __initcall_end[];
-
-static initcall_t *initcall_levels[] __initdata = {
+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,
@@ -939,7 +939,7 @@ static char *initcall_level_names[] __initdata = {
static void __init do_initcall_level(int level)
{
- initcall_t *fn;
+ initcall_entry_t *fn;
strcpy(initcall_command_line, saved_command_line);
parse_args(initcall_level_names[level],
@@ -950,7 +950,7 @@ static void __init do_initcall_level(int level)
trace_initcall_level(initcall_level_names[level]);
for (fn = initcall_levels[level]; fn < initcall_levels[level+1]; fn++)
- do_one_initcall(*fn);
+ do_one_initcall(initcall_from_entry(fn));
}
static void __init do_initcalls(void)
@@ -981,11 +981,11 @@ static void __init do_basic_setup(void)
static void __init do_pre_smp_initcalls(void)
{
- initcall_t *fn;
+ initcall_entry_t *fn;
trace_initcall_level("early");
for (fn = __initcall_start; fn < __initcall0_start; fn++)
- do_one_initcall(*fn);
+ do_one_initcall(initcall_from_entry(fn));
}
/*
@@ -1002,6 +1002,7 @@ void __init load_default_modules(void)
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);