On Fri, Jun 24, 2016 at 02:32:00PM -0000, Thomas Gleixner wrote:
> This is the third version of the timer wheel rework series. The previous
> versions can be found here:
>
> V1: http://lkml.kernel.org/r/20160613070440.950649...@linutronix.de
> V2: http://lkml.kernel.org/r/20160617121134.417319...@linutronix.de
>
> The series is also available in git:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.timers
>
> Changes vs. V2:
>
> - Removed the 1000Hz granularity reduction to 4ms. Eric explained that
> datacenter workloads require the granularity in the first level wheel.
>
> - Fixed the typo in tilepro.
>
> - Converted sigtimedwait() to hrtimers
>
> - To avoid the cascading I extended the wheel by another level. This removes
> the rarely executed cascading code path, but increases the storage size for
> HZ>100 slightly. If the tiny folks care, there is an simple option to cut
> the storage size in half for the price of reduced granularity.
>
> Thanks,
And this series avoids the strange SRCU behavior that I saw with the
last version. So looks to be getting there!
I will be torturing it more vigorously, but looking good so far.
Thanx, Paul
> tglx
>
> ----
> arch/x86/kernel/apic/x2apic_uv_x.c | 4
> arch/x86/kernel/cpu/mcheck/mce.c | 4
> block/genhd.c | 5
> drivers/cpufreq/powernv-cpufreq.c | 5
> drivers/mmc/host/jz4740_mmc.c | 2
> drivers/net/ethernet/tile/tilepro.c | 4
> drivers/power/bq27xxx_battery.c | 5
> drivers/tty/metag_da.c | 4
> drivers/tty/mips_ejtag_fdc.c | 4
> drivers/usb/host/ohci-hcd.c | 1
> drivers/usb/host/xhci.c | 2
> include/linux/list.h | 10
> include/linux/timer.h | 34 -
> kernel/signal.c | 24
> kernel/time/tick-internal.h | 1
> kernel/time/tick-sched.c | 46 -
> kernel/time/timer.c | 1096
> +++++++++++++++++++++---------------
> lib/random32.c | 1
> net/ipv4/inet_connection_sock.c | 7
> net/ipv4/inet_timewait_sock.c | 5
> 20 files changed, 734 insertions(+), 530 deletions(-)
>
>
