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authorLinus Torvalds <torvalds@linux-foundation.org>2013-02-19 17:47:58 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-19 17:47:58 -0800
commitb7133a9a103655cda254987a3c0975fd9d8c443f (patch)
tree85422ad8c32f1782a2ed3b87b7264b1b3953c105 /init
parente84cf5d0fd53badf3a93c790e280cc92a69ed999 (diff)
parent36a5df85e9a3c218b73f6cf80098016ca3f0410d (diff)
downloadlinux-stericsson-b7133a9a103655cda254987a3c0975fd9d8c443f.tar.gz
Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq core changes from Ingo Molnar: "The biggest changes are the IRQ-work and printk changes from Frederic Weisbecker, which prepare the code for 'full dynticks' (the ability to stop or slow down the periodic tick arbitrarily, not just in idle time as today): - Don't stop tick with irq works pending. This fix is generally useful and concerns archs that can't raise self IPIs. - Flush irq works before CPU offlining. - Introduce "lazy" irq works that can wait for the next tick to be executed, unless it's stopped. - Implement klogd wake up using irq work. This removes the ad-hoc printk_tick()/printk_needs_cpu() hooks and make it working even in dynticks mode. - Cleanups and fixes." * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Export enable/disable_percpu_irq() arch Kconfig: Remove references to IRQ_PER_CPU irq_work: Remove return value from the irq_work_queue() function genirq: Avoid deadlock in spurious handling printk: Wake up klogd using irq_work irq_work: Make self-IPIs optable irq_work: Warn if there's still work on cpu_down irq_work: Flush work on CPU_DYING irq_work: Don't stop the tick with pending works nohz: Add API to check tick state irq_work: Remove CONFIG_HAVE_IRQ_WORK irq_work: Fix racy check on work pending flag irq_work: Fix racy IRQ_WORK_BUSY flag setting
Diffstat (limited to 'init')
-rw-r--r--init/Kconfig5
1 files changed, 1 insertions, 4 deletions
diff --git a/init/Kconfig b/init/Kconfig
index b023334df142..dcb68ac42b78 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -20,12 +20,8 @@ config CONSTRUCTORS
bool
depends on !UML
-config HAVE_IRQ_WORK
- bool
-
config IRQ_WORK
bool
- depends on HAVE_IRQ_WORK
config BUILDTIME_EXTABLE_SORT
bool
@@ -1273,6 +1269,7 @@ config HOTPLUG
config PRINTK
default y
bool "Enable support for printk" if EXPERT
+ select IRQ_WORK
help
This option enables normal printk support. Removing it
eliminates most of the message strings from the kernel image