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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-05-20 07:36:52 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-05-20 07:36:52 +0200 |
| commit | 880102e78547c1db158a17e36cf0cdd98e7ad710 (patch) | |
| tree | 3fff9cc54c44dafe275cfabefb96c589e08d971d /kernel/kmod.c | |
| parent | Merge remote branch 'kumar/next' into next (diff) | |
| parent | Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/... (diff) | |
| download | linux-880102e78547c1db158a17e36cf0cdd98e7ad710.tar.xz linux-880102e78547c1db158a17e36cf0cdd98e7ad710.zip | |
Merge remote branch 'origin/master' into merge
Manual merge of arch/powerpc/kernel/smp.c and add missing scheduler_ipi()
call to arch/powerpc/platforms/cell/interrupt.c
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'kernel/kmod.c')
| -rw-r--r-- | kernel/kmod.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/kernel/kmod.c b/kernel/kmod.c index 9cd0591c96a2..5ae0ff38425f 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -245,7 +245,6 @@ static void __call_usermodehelper(struct work_struct *work) } } -#ifdef CONFIG_PM_SLEEP /* * If set, call_usermodehelper_exec() will exit immediately returning -EBUSY * (used for preventing user land processes from being created after the user @@ -301,6 +300,15 @@ void usermodehelper_enable(void) usermodehelper_disabled = 0; } +/** + * usermodehelper_is_disabled - check if new helpers are allowed to be started + */ +bool usermodehelper_is_disabled(void) +{ + return usermodehelper_disabled; +} +EXPORT_SYMBOL_GPL(usermodehelper_is_disabled); + static void helper_lock(void) { atomic_inc(&running_helpers); @@ -312,12 +320,6 @@ static void helper_unlock(void) if (atomic_dec_and_test(&running_helpers)) wake_up(&running_helpers_waitq); } -#else /* CONFIG_PM_SLEEP */ -#define usermodehelper_disabled 0 - -static inline void helper_lock(void) {} -static inline void helper_unlock(void) {} -#endif /* CONFIG_PM_SLEEP */ /** * call_usermodehelper_setup - prepare to call a usermode helper |