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Tianyu Lan bd00cd52d5 clocksource/drivers/hyperv: Add Hyper-V specific sched clock function 
Hyper-V guests use the default native_sched_clock() in
pv_ops.time.sched_clock on x86. But native_sched_clock() directly uses the
raw TSC value, which can be discontinuous in a Hyper-V VM.
    
Add the generic hv_setup_sched_clock() to set the sched clock function
appropriately. On x86, this sets pv_ops.time.sched_clock to read the
Hyper-V reference TSC value that is scaled and adjusted to be continuous.
    
Also move the Hyper-V reference TSC initialization much earlier in the boot
process so no discontinuity is observed when pv_ops.time.sched_clock
calculates its offset.

[ tglx: Folded build fix ]

Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lkml.kernel.org/r/20190814123216.32245-3-Tianyu.Lan@microsoft.com
2019-08-23 16:59:54 +02:00
..
acpi_pm.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 243
2019-06-19 17:09:07 +02:00
arc_timer.c
Merge branch 'timers/vdso' into timers/core
2019-07-03 10:50:21 +02:00
arm_arch_timer.c
Merge branch 'timers/vdso' into timers/core
2019-07-03 10:50:21 +02:00
arm_global_timer.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
armv7m_systick.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194
2019-05-30 11:29:22 -07:00
asm9260_timer.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
bcm2835_timer.c
clocksource/drivers/bcm2835: Switch to SPDX identifier
2018-12-18 22:22:23 +01:00
bcm_kona_timer.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
clksrc_st_lpc.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
clksrc-dbx500-prcmu.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 197
2019-05-30 11:29:22 -07:00
clps711x-timer.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
dummy_timer.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
dw_apb_timer_of.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
dw_apb_timer.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
em_sti.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 179
2019-05-30 11:29:19 -07:00
exynos_mct.c
Merge branch 'timers/vdso' into timers/core
2019-07-03 10:50:21 +02:00
h8300_timer8.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
h8300_timer16.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
h8300_tpu.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hyperv_timer.c
clocksource/drivers/hyperv: Add Hyper-V specific sched clock function
2019-08-23 16:59:54 +02:00
i8253.c
clockevents/drivers/i8253: Add support for PIT shutdown quirk
2018-11-04 11:04:46 +01:00
jcore-pit.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
Kconfig
clocksource/drivers/davinci: Add support for clockevents
2019-06-25 20:46:14 +02:00
Makefile
clocksource/drivers: Make Hyper-V clocksource ISA agnostic
2019-07-03 11:00:59 +02:00
mips-gic-timer.c
clocksource/drivers/mips-gic-timer: Make gic_compare_irqaction static
2019-03-22 22:59:33 +01:00
mmio.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
mps2-timer.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
mxs_timer.c
clocksource/drivers/mxs_timer: Switch to SPDX identifier
2018-05-23 07:39:09 +02:00
nomadik-mtu.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
numachip.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
renesas-ostm.c
clocksource/drivers/renesas-ostm: Convert to SPDX identifiers
2018-10-03 14:36:53 +02:00
samsung_pwm_timer.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
scx200_hrt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sh_cmt.c
clocksource/drivers/sh_cmt: Add R-Car gen3 support
2018-10-03 14:37:01 +02:00
sh_mtu2.c
clocksource/drivers/sh_mtu2: Convert to SPDX identifiers
2018-10-03 14:36:55 +02:00
sh_tmu.c
clocksource/drivers/sh_tmu: Convert to SPDX identifiers
2018-10-03 14:36:56 +02:00
timer-armada-370-xp.c
clocksource/drivers: Unify the names to timer-* format
2018-10-03 14:37:02 +02:00
timer-atcpit100.c
clocksource/drivers: Set clockevent device cpumask to cpu_possible_mask
2018-07-26 11:26:30 +02:00
timer-atlas7.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 4
2019-05-21 11:28:40 +02:00
timer-atmel-pit.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
timer-atmel-st.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
timer-atmel-tcb.c
clocksource/drivers/timer-atmel-tcb: Convert tc_clksrc_suspend|resume() to static
2019-05-02 21:55:58 +02:00
timer-cadence-ttc.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
timer-cs5535.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 206
2019-05-30 11:29:53 -07:00
timer-davinci.c
clocksource/drivers/davinci: Add support for clocksource
2019-06-25 20:46:14 +02:00
timer-digicolor.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
timer-efm32.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
timer-fsl-ftm.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
timer-fttmr010.c
clocksource/drivers/fttmr010: Fix invalid interrupt register access
2018-12-18 22:22:23 +01:00
timer-gx6605s.c
clocksource/drivers/c-sky: Add gx6605s SOC system timer
2018-11-02 19:41:12 +01:00
timer-imx-gpt.c
clocksource/drivers/imx-gpt: Remove unnecessary irq protection
2018-12-18 22:22:23 +01:00
timer-imx-sysctr.c
clocksource/drivers/sysctr: Add nxp system counter timer driver support
2019-06-25 19:49:18 +02:00
timer-imx-tpm.c
clocksource/drivers/timer-imx-tpm: Specify clock name for timer-of
2018-12-18 22:22:23 +01:00
timer-integrator-ap.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
timer-ixp4xx.c
clocksource/drivers/ixp4xx: Implement delay timer
2019-06-25 19:49:18 +02:00
timer-keystone.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
timer-lpc32xx.c
clocksource/drivers: Unify the names to timer-* format
2018-10-03 14:37:02 +02:00
timer-mediatek.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
timer-meson6.c
clocksource/drivers/timer-meson6: Update with SPDX Licence identifier
2019-06-25 19:49:18 +02:00
timer-milbeaut.c
clocksource/drivers/timer-milbeaut: Cleanup common register accesses
2019-05-02 21:55:58 +02:00
timer-mp-csky.c
clocksource/drivers/c-sky: fixup ftrace call-graph panic
2018-12-31 23:17:23 +08:00
timer-npcm7xx.c
clocksource/drivers/npcm: Fix misuse of GENMASK macro
2019-07-10 11:05:26 +02:00
timer-nps.c
clocksource/drivers: Rename CLOCKSOURCE_OF_DECLARE to TIMER_OF_DECLARE
2017-06-14 11:58:45 +02:00
timer-of.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
2019-05-30 11:29:52 -07:00
timer-of.h
clocksource/drivers/timer-of: Store the device node pointer in 'struct timer_of'
2018-01-08 17:57:24 +01:00
timer-orion.c
clocksource/drivers: Unify the names to timer-* format
2018-10-03 14:37:02 +02:00
timer-owl.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
timer-oxnas-rps.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
2019-05-30 11:29:52 -07:00
timer-pistachio.c
clocksource/drivers: Unify the names to timer-* format
2018-10-03 14:37:02 +02:00
timer-prima2.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 4
2019-05-21 11:28:40 +02:00
timer-probe.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 201
2019-05-30 11:29:52 -07:00
timer-pxa.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
timer-qcom.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282
2019-06-05 17:36:37 +02:00
timer-rda.c
clocksource/drivers/rda: Add clock driver for RDA8810PL SoC
2018-12-18 22:22:23 +01:00
timer-riscv.c
clocksource/drivers/riscv: Fix clocksource mask
2019-03-23 12:25:34 +01:00
timer-rockchip.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
timer-sp804.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
timer-sp.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
timer-sprd.c
clocksource/drivers/sprd: Register one always-on timer to compensate suspend time
2018-07-26 11:26:34 +02:00
timer-stm32.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194
2019-05-30 11:29:22 -07:00
timer-sun4i.c
clocksource/drivers/sun4i: Add a compatible for suniv
2019-05-02 21:55:58 +02:00
timer-sun5i.c
clocksource/drivers/sun5i: Fail gracefully when clock rate is unavailable
2019-02-23 12:13:45 +01:00
timer-tango-xtal.c
clocksource/drivers/tango-xtal: Rename the file for consistency
2019-02-23 12:13:45 +01:00
timer-tegra.c
clocksource/drivers/tegra: Set up maximum-ticks limit properly
2019-06-25 19:49:18 +02:00
timer-ti-32k.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 341
2019-06-05 17:37:07 +02:00
timer-ti-dm.c
clocksource/drivers/timer-ti-dm: Change to new style declaration
2019-05-24 15:51:30 +02:00
timer-u300.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194
2019-05-30 11:29:22 -07:00
timer-versatile.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
timer-vf-pit.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
timer-vt8500.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
timer-zevio.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00