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Subject[PATCH 0/9] timer: Reduce timers softirq v2

No huge change here, just addressed reviews and fixed warnings:

* Reposted patch 1 separately with appropriate "Fixes:" tag and stable Cc'ed:

* Fix missing initialization of next_expiry in 4/9 (thanks Juri)

* Dropped "timer: Simplify LVL_START() and calc_index()" and added comments
to explain current layout instead in 2/9 (thanks Thomas)

* Rewrote changelog of 9/9 (Thanks Thomas)


HEAD: 5545d80b7b9bd69ede1c17fda194ac6620e7063f


Frederic Weisbecker (9):
timer: Move trigger_dyntick_cpu() to enqueue_timer()
timer: Add comments about calc_index() ceiling work
timer: Optimize _next_timer_interrupt() level iteration
timers: Always keep track of next expiry
timer: Reuse next expiry cache after nohz exit
timer: Expand clk forward logic beyond nohz
timer: Spare timer softirq until next expiry
timer: Remove must_forward_clk
timer: Lower base clock forwarding threshold

kernel/time/timer.c | 169 ++++++++++++++++++----------------------------------
1 file changed, 58 insertions(+), 111 deletions(-)

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