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Kevin Hilman 02b26774af PM / Runtime: Allow _put_sync() from interrupts-disabled context ... Currently the use of pm_runtime_put_sync() is not safe from interrupts-disabled context because rpm_idle() will release the spinlock and enable interrupts for the idle callbacks. This enables interrupts during a time where interrupts were expected to be disabled, and can have strange side effects on drivers that expected interrupts to be disabled. This is not a bug since the documentation clearly states that only _put_sync_suspend() is safe in IRQ-safe mode. However, pm_runtime_put_sync() could be made safe when in IRQ-safe mode by releasing the spinlock but not re-enabling interrupts, which is what this patch aims to do. Problem was found when using some buggy drivers that set pm_runtime_irq_safe() and used _put_sync() in interrupts-disabled context. Reported-by: Colin Cross <ccross@google.com> Tested-by: Nishanth Menon <nm@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>		14 years ago
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power	PM / Runtime: Allow _put_sync() from interrupts-disabled context	14 years ago
regmap	regmap: Add SPI bus support	14 years ago
Kconfig	Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6	14 years ago
Makefile	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap	14 years ago
attribute_container.c	…
base.h	…
bus.c	…
class.c	…
core.c	…
cpu.c	…
dd.c	…
devres.c	…
devtmpfs.c	devtmpfs: missing initialialization in never-hit case	14 years ago
dma-coherent.c	…
dma-mapping.c	…
driver.c	…
firmware.c	…
firmware_class.c	…
hypervisor.c	…
init.c	…
isa.c	…
map.c	…
memory.c	atomic: use <linux/atomic.h>	14 years ago
module.c	…
node.c	mm: per-node vmstat: show proper vmstats	14 years ago
platform.c	driver core: Add ability for arch code to setup pdev_archdata	14 years ago
sys.c	…
syscore.c	PM: Reintroduce dropped call to check_wakeup_irqs	14 years ago
topology.c	…
transport_class.c	…