summaryrefslogtreecommitdiffstats
path: root/kernel/sys.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2013-07-03 17:12:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-03 17:12:13 -0700
commit7f0ef0267e20d62d45d527911a993b1e998f4968 (patch)
treede51abc7da5903f59d83e23937f22420164c9477 /kernel/sys.c
parent862f0012549110d6f2586bf54b52ed4540cbff3a (diff)
parent9307c29524502c21f0e8a6d96d850b2f5bc0bd9a (diff)
downloadlinux-7f0ef0267e20d62d45d527911a993b1e998f4968.tar.bz2
Merge branch 'akpm' (updates from Andrew Morton)
Merge first patch-bomb from Andrew Morton: - various misc bits - I'm been patchmonkeying ocfs2 for a while, as Joel and Mark have been distracted. There has been quite a bit of activity. - About half the MM queue - Some backlight bits - Various lib/ updates - checkpatch updates - zillions more little rtc patches - ptrace - signals - exec - procfs - rapidio - nbd - aoe - pps - memstick - tools/testing/selftests updates * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (445 commits) tools/testing/selftests: don't assume the x bit is set on scripts selftests: add .gitignore for kcmp selftests: fix clean target in kcmp Makefile selftests: add .gitignore for vm selftests: add hugetlbfstest self-test: fix make clean selftests: exit 1 on failure kernel/resource.c: remove the unneeded assignment in function __find_resource aio: fix wrong comment in aio_complete() drivers/w1/slaves/w1_ds2408.c: add magic sequence to disable P0 test mode drivers/memstick/host/r592.c: convert to module_pci_driver drivers/memstick/host/jmb38x_ms: convert to module_pci_driver pps-gpio: add device-tree binding and support drivers/pps/clients/pps-gpio.c: convert to module_platform_driver drivers/pps/clients/pps-gpio.c: convert to devm_* helpers drivers/parport/share.c: use kzalloc Documentation/accounting/getdelays.c: avoid strncpy in accounting tool aoe: update internal version number to v83 aoe: update copyright date aoe: perform I/O completions in parallel ...
Diffstat (limited to 'kernel/sys.c')
-rw-r--r--kernel/sys.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/kernel/sys.c b/kernel/sys.c
index 2bbd9a73b54c..071de900c824 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -511,7 +511,7 @@ SYSCALL_DEFINE4(reboot, int, magic1, int, magic2, unsigned int, cmd,
case LINUX_REBOOT_CMD_HALT:
kernel_halt();
do_exit(0);
- panic("cannot halt");
+ panic("cannot halt.\n");
case LINUX_REBOOT_CMD_POWER_OFF:
kernel_power_off();
@@ -1309,6 +1309,17 @@ out:
return retval;
}
+static void set_special_pids(struct pid *pid)
+{
+ struct task_struct *curr = current->group_leader;
+
+ if (task_session(curr) != pid)
+ change_pid(curr, PIDTYPE_SID, pid);
+
+ if (task_pgrp(curr) != pid)
+ change_pid(curr, PIDTYPE_PGID, pid);
+}
+
SYSCALL_DEFINE0(setsid)
{
struct task_struct *group_leader = current->group_leader;
@@ -1328,7 +1339,7 @@ SYSCALL_DEFINE0(setsid)
goto out;
group_leader->signal->leader = 1;
- __set_special_pids(sid);
+ set_special_pids(sid);
proc_clear_tty(group_leader);
@@ -2355,8 +2366,7 @@ static int do_sysinfo(struct sysinfo *info)
memset(info, 0, sizeof(struct sysinfo));
- ktime_get_ts(&tp);
- monotonic_to_bootbased(&tp);
+ get_monotonic_boottime(&tp);
info->uptime = tp.tv_sec + (tp.tv_nsec ? 1 : 0);
get_avenrun(info->loads, 0, SI_LOAD_SHIFT - FSHIFT);