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QEMU-Nyx-fork/hw/timer
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Marcelo Tosatti b429de7301 mc146818rtc: fix timer interrupt reinjection 
commit 369b41359af46bded5799c9ef8be2b641d92e043 broke timer interrupt
reinjection when there is no period change by the guest.

In that case, old_period is 0, which ends up zeroing irq_coalesced
(counter of reinjected interrupts).

The consequence is Windows 7 is unable to synchronize time via NTP.
Easily reproducible by playing a fullscreen video with cirrus and VNC.

Fix by not updating s->irq_coalesced when old_period is 0.

V2: reorganize code (Paolo Bonzini)

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

Message-Id: <20191010123008.GA19158@amt.cnet>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-10-22 09:38:38 +02:00
..
a9gtimer.c
hw/core: Move cpu.c, cpu.h from qom/ to hw/core/
2019-08-21 13:24:01 +02:00
allwinner-a10-pit.c
hw/timer/allwinner-a10-pit.c: Switch to transaction-based ptimer API
2019-10-15 18:09:02 +01:00
altera_timer.c
ptimer: Rename ptimer_init() to ptimer_init_with_bh()
2019-10-15 18:09:02 +01:00
arm_mptimer.c
hw/timer/arm_mptimer.c: Switch to transaction-based ptimer API
2019-10-15 18:09:02 +01:00
arm_timer.c
hw/timer/arm_timer.c: Switch to transaction-based ptimer API
2019-10-15 18:09:02 +01:00
armv7m_systick.c
Include migration/vmstate.h less
2019-08-16 13:31:52 +02:00
aspeed_rtc.c
Include migration/vmstate.h less
2019-08-16 13:31:52 +02:00
aspeed_timer.c
aspeed/timer: Add support for IRQ status register on the AST2600
2019-10-15 18:09:04 +01:00
cadence_ttc.c
Include migration/vmstate.h less
2019-08-16 13:31:52 +02:00
cmsdk-apb-dualtimer.c
hw/timer/cmsdk-apb-dualtimer.c: Switch to transaction-based ptimer API
2019-10-15 18:09:02 +01:00
cmsdk-apb-timer.c
hw/timer/cmsdk-apb-timer.c: Switch to transaction-based ptimer API
2019-10-15 18:09:02 +01:00
digic-timer.c
hw/timer/digic-timer.c: Switch to transaction-based ptimer API
2019-10-15 18:09:02 +01:00
ds1338.c
Include migration/vmstate.h less
2019-08-16 13:31:52 +02:00
etraxfs_timer.c
ptimer: Rename ptimer_init() to ptimer_init_with_bh()
2019-10-15 18:09:02 +01:00
exynos4210_mct.c
hw/timer/exynos4210_mct.c: Switch ltick to transaction-based ptimer API
2019-10-15 18:09:02 +01:00
exynos4210_pwm.c
hw/timer/exynos4210_pwm.c: Switch to transaction-based ptimer API
2019-10-15 18:09:02 +01:00
exynos4210_rtc.c
hw/timer/exynos4210_rtc.c: Switch main ptimer to transaction-based API
2019-10-15 18:09:03 +01:00
grlib_gptimer.c
ptimer: Rename ptimer_init() to ptimer_init_with_bh()
2019-10-15 18:09:02 +01:00
hpet.c
Include hw/hw.h exactly where needed
2019-08-16 13:31:52 +02:00
i8254_common.c
Include hw/hw.h exactly where needed
2019-08-16 13:31:52 +02:00
i8254.c
Include hw/hw.h exactly where needed
2019-08-16 13:31:52 +02:00
imx_epit.c
hw/timer/imx_epit.c: Switch to transaction-based ptimer API
2019-10-15 18:09:03 +01:00
imx_gpt.c
hw/timer/imx_gpt.c: Switch to transaction-based ptimer API
2019-10-15 18:09:03 +01:00
Kconfig
hw/Kconfig: Move the generic XLNX_ZYNQMP to the root hw/Kconfig
2019-08-19 21:28:25 +02:00
lm32_timer.c
ptimer: Rename ptimer_init() to ptimer_init_with_bh()
2019-10-15 18:09:02 +01:00
m41t80.c
Include qemu-common.h exactly where needed
2019-06-12 13:20:20 +02:00
m48t59-internal.h
Normalize header guard symbol definition.
2019-05-13 08:58:55 +02:00
m48t59-isa.c
Include hw/qdev-properties.h less
2019-08-16 13:31:53 +02:00
m48t59.c
sysemu: Split sysemu/runstate.h off sysemu/sysemu.h
2019-08-16 13:37:36 +02:00
Makefile.objs
hw: timer: Add ASPEED RTC device
2019-07-01 17:28:59 +01:00
mc146818rtc.c
mc146818rtc: fix timer interrupt reinjection
2019-10-22 09:38:38 +02:00
milkymist-sysctl.c
ptimer: Rename ptimer_init() to ptimer_init_with_bh()
2019-10-15 18:09:02 +01:00
mips_gictimer.c
Include hw/hw.h exactly where needed
2019-08-16 13:31:52 +02:00
mss-timer.c
hw/timer/mss-timerc: Switch to transaction-based ptimer API
2019-10-15 18:09:03 +01:00
nrf51_timer.c
Include migration/vmstate.h less
2019-08-16 13:31:52 +02:00
omap_gptimer.c
Include hw/hw.h exactly where needed
2019-08-16 13:31:52 +02:00
omap_synctimer.c
Include hw/hw.h exactly where needed
2019-08-16 13:31:52 +02:00
pl031.c
Include hw/qdev-properties.h less
2019-08-16 13:31:53 +02:00
puv3_ost.c
ptimer: Rename ptimer_init() to ptimer_init_with_bh()
2019-10-15 18:09:02 +01:00
pxa2xx_timer.c
sysemu: Split sysemu/runstate.h off sysemu/sysemu.h
2019-08-16 13:37:36 +02:00
sh_timer.c
ptimer: Rename ptimer_init() to ptimer_init_with_bh()
2019-10-15 18:09:02 +01:00
slavio_timer.c
ptimer: Rename ptimer_init() to ptimer_init_with_bh()
2019-10-15 18:09:02 +01:00
stm32f2xx_timer.c
Include hw/qdev-properties.h less
2019-08-16 13:31:53 +02:00
sun4v-rtc.c
Include hw/hw.h exactly where needed
2019-08-16 13:31:52 +02:00
trace-events
hw: timer: Add ASPEED RTC device
2019-07-01 17:28:59 +01:00
twl92230.c
Include hw/hw.h exactly where needed
2019-08-16 13:31:52 +02:00
xilinx_timer.c
ptimer: Rename ptimer_init() to ptimer_init_with_bh()
2019-10-15 18:09:02 +01:00
xlnx-zynqmp-rtc.c
Include migration/vmstate.h less
2019-08-16 13:31:52 +02:00