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237c255c6c
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Paolo Bonzini 237c255c6c rtl8139: simplify timer logic 
Pavel Dovgalyuk reports that TimerExpire and the timer are not restored
correctly on the receiving end of migration.

It is not clear to me whether this is really the case, but we can take
the occasion to get rid of the complicated code that computes PCSTimeout
on the fly upon changes to IntrStatus/IntrMask.  Just always keep a
timer running, it will fire every ~130 seconds at most if the interrupt
is masked with TimerInt != 0.

This makes rtl8139_set_next_tctr_time idempotent (when the virtual clock
is stopped between two calls, as is the case during migration).

Tested with Frediano's qtest.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1421765099-26190-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-06 14:04:36 +00:00
..
9pfs 9pfs: changed to use event_notifier instead of qemu_pipe 2015-01-09 23:41:11 +01:00
acpi pci, pc, virtio fixes and cleanups 2015-01-27 13:17:30 +00:00
alpha ide: Update ide_drive_get to be HBA agnostic 2014-10-03 10:30:33 +01:00
arm vmstate: accept QEMUTimer in VMSTATE_TIMER*, add VMSTATE_TIMER_PTR* 2015-01-26 12:22:44 +01:00
audio sb16: fix interrupt acknowledgement 2015-01-22 11:04:18 +01:00
block - Many fixes from the floor as usual 2015-01-26 11:50:29 +00:00
bt l2cap: fix access to freed memory 2014-08-15 19:12:48 +04:00
char vmstate: accept QEMUTimer in VMSTATE_TIMER*, add VMSTATE_TIMER_PTR* 2015-01-26 12:22:44 +01:00
core vmstate: accept QEMUTimer in VMSTATE_TIMER*, add VMSTATE_TIMER_PTR* 2015-01-26 12:22:44 +01:00
cpu icc_bus: fix typo ICC_BRIGDE -> ICC_BRIDGE 2014-11-03 19:51:56 +03:00
cris hw: Convert from BlockDriverState to BlockBackend, mostly 2014-10-20 14:02:25 +02:00
display ui: Add dpy_gfx_check_format() to check backend shared surface support 2015-01-19 13:33:26 +01:00
dma vmstate: accept QEMUTimer in VMSTATE_TIMER*, add VMSTATE_TIMER_PTR* 2015-01-26 12:22:44 +01:00
gpio PPC: Add MPC8XXX gpio controller 2014-11-04 23:26:12 +01:00
i2c Fix debug print warning 2014-09-02 22:38:16 +04:00
i386 pci, pc, virtio fixes and cleanups 2015-01-27 13:17:30 +00:00
ide ide: Implement VPD response for ATAPI 2015-01-13 13:43:29 +00:00
input vmstate: accept QEMUTimer in VMSTATE_TIMER*, add VMSTATE_TIMER_PTR* 2015-01-26 12:22:44 +01:00
intc apic: do not dereference pointer before it is checked for NULL 2015-01-26 12:27:05 +01:00
ipack memory: remove memory_region_destroy 2014-08-18 12:06:21 +02:00
isa vmstate: accept QEMUTimer in VMSTATE_TIMER*, add VMSTATE_TIMER_PTR* 2015-01-26 12:22:44 +01:00
lm32 acpi-build: make ROMs RAM blocks resizeable 2015-01-08 13:17:55 +02:00
m68k hw/core/loader: implement address translation in uimage loader 2014-11-03 00:59:10 +03:00
mem pc-dimm: Add Error argument to pc_existing_dimms_capacity 2015-01-27 14:46:18 +02:00
microblaze hw/core/loader: implement address translation in uimage loader 2014-11-03 00:59:10 +03:00
mips mips_mipssim: fix use-after-free for filename 2014-11-17 11:41:03 +01:00
misc hw: misc, add educational driver 2015-01-26 12:26:55 +01:00
moxie memory: add parameter errp to memory_region_init_ram 2014-09-09 13:41:43 +02:00
net rtl8139: simplify timer logic 2015-02-06 14:04:36 +00:00
nvram fw_cfg: fix endianness in fw_cfg_data_mem_read() / _write() 2015-01-16 11:54:30 +00:00
openrisc hw/core/loader: implement address translation in uimage loader 2014-11-03 00:59:10 +03:00
pci pci: Split pcie_host_mmcfg_map() 2015-01-26 20:25:52 +02:00
pci-bridge qdev: HotplugHandler: Rename unplug callback to unplug_request 2014-10-15 05:03:13 +02:00
pci-host PPC: e500 pci host: Add support for ATMUs 2015-01-07 16:16:24 +01:00
pcmcia hmp: Remove "info pcmcia" 2014-10-24 12:19:11 +01:00
ppc hw/ppc/mac_newworld: simplify usb controller creation logic 2015-01-08 17:32:27 +00:00
s390x s390: implement pci instructions 2015-01-12 10:14:04 +01:00
scsi virtio: fix feature bit checks 2015-01-27 14:46:17 +02:00
sd vmstate: accept QEMUTimer in VMSTATE_TIMER*, add VMSTATE_TIMER_PTR* 2015-01-26 12:22:44 +01:00
sh4 hw: Convert from BlockDriverState to BlockBackend, mostly 2014-10-20 14:02:25 +02:00
sparc fw_cfg: move boards to fw_cfg_init_io() / fw_cfg_init_mem() 2014-12-22 23:39:15 +00:00
sparc64 fw_cfg: move boards to fw_cfg_init_io() / fw_cfg_init_mem() 2014-12-22 23:39:15 +00:00
ssi ssi: xilinx_spi: Initialise CS GPIOs as NULL 2014-08-15 18:54:40 +04:00
timer vmstate: accept QEMUTimer in VMSTATE_TIMER*, add VMSTATE_TIMER_PTR* 2015-01-26 12:22:44 +01:00
tpm Drop superfluous conditionals around g_strdup() 2014-12-10 11:30:55 +03:00
tricore target-tricore: check return value before using it 2014-11-02 10:04:34 +03:00
unicore32 memory: add parameter errp to memory_region_init_ram 2014-09-09 13:41:43 +02:00
usb vmstate: accept QEMUTimer in VMSTATE_TIMER*, add VMSTATE_TIMER_PTR* 2015-01-26 12:22:44 +01:00
vfio vfio-pci: Fix interrupt disabling 2015-01-09 08:50:53 -07:00
virtio virtio: fix feature bit checks 2015-01-27 14:46:17 +02:00
watchdog vmstate: accept QEMUTimer in VMSTATE_TIMER*, add VMSTATE_TIMER_PTR* 2015-01-26 12:22:44 +01:00
xen xen-pt: Fix PCI devices re-attach failed 2015-01-13 11:49:46 +00:00
xenpv hw: Convert from BlockDriverState to BlockBackend, mostly 2014-10-20 14:02:25 +02:00
xtensa hw/xtensa/xtfpga: treat uImage load address as virtual 2014-11-03 01:00:37 +03:00
Makefile.objs vfio: move hw/misc/vfio.c to hw/vfio/pci.c Move vfio.h into include/hw/vfio 2014-12-19 15:24:06 -07:00