Paul E. McKenney e260be673a Preempt-RCU: implementation ... This patch implements a new version of RCU which allows its read-side critical sections to be preempted. It uses a set of counter pairs to keep track of the read-side critical sections and flips them when all tasks exit read-side critical section. The details of this implementation can be found in this paper - http://www.rdrop.com/users/paulmck/RCU/OLSrtRCU.2006.08.11a.pdf and the article- http://lwn.net/Articles/253651/ This patch was developed as a part of the -rt kernel development and meant to provide better latencies when read-side critical sections of RCU don't disable preemption. As a consequence of keeping track of RCU readers, the readers have a slight overhead (optimizations in the paper). This implementation co-exists with the "classic" RCU implementations and can be switched to at compiler. Also includes RCU tracing summarized in debugfs. [ akpm@linux-foundation.org: build fixes on non-preempt architectures ] Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Signed-off-by: Dipankar Sarma <dipankar@in.ibm.com> Signed-off-by: Paul E. McKenney <paulmck@us.ibm.com> Reviewed-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>		2008-01-25 21:08:24 +01:00
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calibrate.c	slow down printk during boot	2007-10-16 09:42:49 -07:00
do_mounts_initrd.c	Freezer: Fix s2disk resume from initrd	2007-11-20 22:22:42 -05:00
do_mounts_md.c
do_mounts_rd.c	sparse pointer use of zero as null	2007-10-18 14:37:31 -07:00
do_mounts.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/selinux-2.6	2008-01-25 08:44:29 -08:00
do_mounts.h
initramfs.c
Kconfig	Preempt-RCU: implementation	2008-01-25 21:08:24 +01:00
main.c	cpu-hotplug: refcount based cpu hotplug	2008-01-25 21:08:01 +01:00
Makefile
noinitramfs.c
version.c