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Merge branches 'core-fixes-for-linus', 'x86-fixes-for-linus', 'timers-fixes-for-linus' and 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  rcu: avoid pointless blocked-task warnings
  rcu: demote SRCU_SYNCHRONIZE_DELAY from kernel-parameter status
  rtmutex: Fix comment about why new_owner can be NULL in wake_futex_pi()

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, olpc: Add missing Kconfig dependencies
  x86, mrst: Set correct APB timer IRQ affinity for secondary cpu
  x86: tsc: Fix calibration refinement conditionals to avoid divide by zero
  x86, ia64, acpi: Clean up x86-ism in drivers/acpi/numa.c

* 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  timekeeping: Make local variables static
  time: Rename misnamed minsec argument of clocks_calc_mult_shift()

* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  tracing: Remove syscall_exit_fields
  tracing: Only process module tracepoints once
  perf record: Add "nodelay" mode, disabled by default
  perf sched: Fix list of events, dropping unsupported ':r' modifier
  Revert "perf tools: Emit clearer message for sys_perf_event_open ENOENT return"
  perf top: Fix annotate segv
  perf evsel: Fix order of event list deletion
This commit is contained in:
Linus Torvalds
2011-01-15 12:45:00 -08:00
parent 16c1020362 1161ec9449 76d1f7bfcd afa14e7c55 7c46d8da09
commit f9ee7f60d6
18 changed files with 84 additions and 79 deletions
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15
init/Kconfig
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@@ -515,21 +515,6 @@ config RCU_BOOST_DELAY
Accept the default if unsure.
config SRCU_SYNCHRONIZE_DELAY
int "Microseconds to delay before waiting for readers"
range 0 20
default 10
help
This option controls how long SRCU delays before entering its
loop waiting on SRCU readers. The purpose of this loop is
to avoid the unconditional context-switch penalty that would
otherwise be incurred if there was an active SRCU reader,
in a manner similar to adaptive locking schemes. This should
be set to be a bit longer than the common-case SRCU read-side
critical-section overhead.
Accept the default if unsure.
endmenu # "RCU Subsystem"
config IKCONFIG