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Alan Stern b4dfdbb3c7 [PATCH] cpufreq: make the transition_notifier chain use SRCU ... This patch (as762) changes the cpufreq_transition_notifier_list from a blocking_notifier_head to an srcu_notifier_head. This will prevent errors caused attempting to call down_read() to access the notifier chain at a time when interrupts must remain disabled, during system suspend. It's not clear to me whether this is really necessary; perhaps the chain could be made into an atomic_notifier. However a couple of the callout routines do use blocking operations, so this approach seems safer. The head of the notifier chain needs to be initialized before use; this is done by an __init routine at core_initcall time. If this turns out not to be a good choice, it can easily be changed. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Cc: Jesse Brandeburg <jesse.brandeburg@gmail.com> Cc: Dave Jones <davej@codemonkey.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		18 years ago
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Kconfig	…
Makefile	…
cpufreq.c	[PATCH] cpufreq: make the transition_notifier chain use SRCU	18 years ago
cpufreq_conservative.c	…
cpufreq_ondemand.c	…
cpufreq_performance.c	…
cpufreq_powersave.c	…
cpufreq_stats.c	[CPUFREQ] Fix some more CPU hotplug locking.	19 years ago
cpufreq_userspace.c	[PATCH] Reorganize the cpufreq cpu hotplug locking to not be totally bizare	19 years ago
freq_table.c	…