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* Re: [Qemu-devel] [RFC PATCH v3 10/49] rtl8139: adding new fields to vmstate
@ 2014-07-31 15:49 Pavel Dovgalyuk
  2014-07-31 15:55 ` Eric Blake
  2014-07-31 16:20 ` Paolo Bonzini
  0 siblings, 2 replies; 5+ messages in thread
From: Pavel Dovgalyuk @ 2014-07-31 15:49 UTC (permalink / raw)
  To: Paolo Bonzini, qemu-devel
  Cc: peter.maydell, peter.crosthwaite, mark.burton, real, batuzovk,
	maria.klimushenkova@ispras.ru, afaerber, fred.konrad

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We cannot calculate timers in post_load, because it requires correct value of virtual clock. And at that moment replay data structures could be not loaded yet.


Sent from mobile device



-------- Исходное сообщение --------
От: Paolo Bonzini <pbonzini@redhat.com> 
Дата:31.07.2014  18:14  (GMT+04:00) 
Кому: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>,qemu-devel@nongnu.org 
Копия: peter.maydell@linaro.org,peter.crosthwaite@xilinx.com,mark.burton@greensocs.com,real@ispras.ru,batuzovk@ispras.ru,maria.klimushenkova@ispras.ru,eblake@redhat.com,afaerber@suse.de,fred.konrad@greensocs.com 
Тема: Re: [RFC PATCH v3 10/49] rtl8139: adding new fields to vmstate 

Il 31/07/2014 14:54, Pavel Dovgalyuk ha scritto:
> +static bool rtl8139_TimerExpire_needed(void *opaque)
> +{
> +    RTL8139State *s = (RTL8139State *)opaque;
> +    return s->TimerExpire != 0;
> +}
> +
> +static const VMStateDescription vmstate_rtl8139_TimerExpire = {
> +    .name = "rtl8139/TimerExpire",
> +    .version_id = 1,
> +    .minimum_version_id = 1,
> +    .fields = (VMStateField[]) {
> +        VMSTATE_INT64(TimerExpire, RTL8139State),
> +        VMSTATE_END_OF_LIST()
> +    }
> +};
> +
> +static bool rtl8139_timer_needed(void *opaque)
> +{
> +    RTL8139State *s = (RTL8139State *)opaque;
> +    return timer_pending(s->timer);
> +}

I think this is needed only because of the complicated logic to compute
PCSTimeout on the fly when IntrStatus/IntrMask change or are read.
But we can just eliminate it, and leave the timer always set when
TimerInt is nonzero.

rtl8139_set_next_tctr_time should now be idempotent and deterministic.
Then it can be set in rtl8139_post_load.


---------------- 8< ---------------
From: Paolo Bonzini <pbonzini@redhat.com>
Subject: [PATCH] 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 called with
wrap_on_overflow == false, as is the case from the post_load callback).

Not-tested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
index 90bc5ec..430eab3 100644
--- a/hw/net/rtl8139.c
+++ b/hw/net/rtl8139.c
@@ -508,7 +508,6 @@ typedef struct RTL8139State {

     /* PCI interrupt timer */
     QEMUTimer *timer;
-    int64_t TimerExpire;

     MemoryRegion bar_io;
     MemoryRegion bar_mem;
@@ -520,7 +519,7 @@ typedef struct RTL8139State {
/* Writes tally counters to memory via DMA */
static void RTL8139TallyCounters_dma_write(RTL8139State *s, dma_addr_t tc_addr);

-static void rtl8139_set_next_tctr_time(RTL8139State *s, int64_t current_time);
+static void rtl8139_set_next_tctr_time(RTL8139State *s, bool wrap_on_overflow);

static void prom9346_decode_command(EEprom9346 *eeprom, uint8_t command)
{
@@ -1282,6 +1281,7 @@ static void rtl8139_reset(DeviceState *d)
     s->TCTR = 0;
     s->TimerInt = 0;
     s->TCTR_base = 0;
+    rtl8139_set_next_tctr_time(s, false);

     /* reset tally counters */
     RTL8139TallyCounters_clear(&s->tally_counters);
@@ -2648,7 +2648,6 @@ static void rtl8139_IntrMask_write(RTL8139State *s, uint32_t val)

     s->IntrMask = val;

-    rtl8139_set_next_tctr_time(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
     rtl8139_update_irq(s);

}
@@ -2683,13 +2682,7 @@ static void rtl8139_IntrStatus_write(RTL8139State *s, uint32_t val)
     rtl8139_update_irq(s);

     s->IntrStatus = newStatus;
-    /*
-     * Computing if we miss an interrupt here is not that correct but
-     * considered that we should have had already an interrupt
-     * and probably emulated is slower is better to assume this resetting was
-     * done before testing on previous rtl8139_update_irq lead to IRQ losing
-     */
-    rtl8139_set_next_tctr_time(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
+    rtl8139_set_next_tctr_time(s, true);
     rtl8139_update_irq(s);

#endif
@@ -2697,8 +2690,6 @@ static void rtl8139_IntrStatus_write(RTL8139State *s, uint32_t val)

static uint32_t rtl8139_IntrStatus_read(RTL8139State *s)
{
-    rtl8139_set_next_tctr_time(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
-
     uint32_t ret = s->IntrStatus;

     DPRINTF("IntrStatus read(w) val=0x%04x\n", ret);
@@ -2881,43 +2872,25 @@ static void rtl8139_io_writew(void *opaque, uint8_t addr, uint32_t val)
     }
}

-static void rtl8139_set_next_tctr_time(RTL8139State *s, int64_t current_time)
+static void rtl8139_set_next_tctr_time(RTL8139State *s, bool wrap_on_overflow)
{
-    int64_t pci_time, next_time;
-    uint32_t low_pci;
+    int64_t delta;

     DPRINTF("entered rtl8139_set_next_tctr_time\n");

-    if (s->TimerExpire && current_time >= s->TimerExpire) {
-        s->IntrStatus |= PCSTimeout;
-        rtl8139_update_irq(s);
-    }
-
-    /* Set QEMU timer only if needed that is
-     * - TimerInt <> 0 (we have a timer)
-     * - mask = 1 (we want an interrupt timer)
-     * - irq = 0  (irq is not already active)
-     * If any of above change we need to compute timer again
-     * Also we must check if timer is passed without QEMU timer
-     */
-    s->TimerExpire = 0;
     if (!s->TimerInt) {
-        return;
-    }
-
-    pci_time = muldiv64(current_time - s->TCTR_base, PCI_FREQUENCY,
-                                get_ticks_per_sec());
-    low_pci = pci_time & 0xffffffff;
-    pci_time = pci_time - low_pci + s->TimerInt;
-    if (low_pci >= s->TimerInt) {
-        pci_time += 0x100000000LL;
-    }
-    next_time = s->TCTR_base + muldiv64(pci_time, get_ticks_per_sec(),
-                                                PCI_FREQUENCY);
-    s->TimerExpire = next_time;
-
-    if ((s->IntrMask & PCSTimeout) != 0 && (s->IntrStatus & PCSTimeout) == 0) {
-        timer_mod(s->timer, next_time);
+        timer_del(s->timer);
+    } else {
+        delta = muldiv64(s->TimerInt, get_ticks_per_sec(), PCI_FREQUENCY);
+        if (wrap_on_overflow &&
+            s->TCTR_base + delta >= qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)) {
+            /* The value in the Timer register does not change, but
+             * we're counting up by 2^32 ticks (approx. 130 seconds).
+             */
+            s->TCTR_base += muldiv64(0x100000000LL, get_ticks_per_sec(),
+                                     PCI_FREQUENCY);
+        }
+        timer_mod(s->timer, s->TCTR_base + delta);
     }
}

@@ -2965,14 +2938,14 @@ static void rtl8139_io_writel(void *opaque, uint8_t addr, uint32_t val)
         case Timer:
             DPRINTF("TCTR Timer reset on write\n");
             s->TCTR_base = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
-            rtl8139_set_next_tctr_time(s, s->TCTR_base);
+            rtl8139_set_next_tctr_time(s, false);
             break;

         case FlashReg:
             DPRINTF("FlashReg TimerInt write val=0x%08x\n", val);
             if (s->TimerInt != val) {
                 s->TimerInt = val;
-                rtl8139_set_next_tctr_time(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
+                rtl8139_set_next_tctr_time(s, true);
             }
             break;

@@ -3249,7 +3222,7 @@ static uint32_t rtl8139_mmio_readl(void *opaque, hwaddr addr)
static int rtl8139_post_load(void *opaque, int version_id)
{
     RTL8139State* s = opaque;
-    rtl8139_set_next_tctr_time(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
+    rtl8139_set_next_tctr_time(s, false);
     if (version_id < 4) {
         s->cplus_enabled = s->CpCmd != 0;
     }
@@ -3280,8 +3253,7 @@ static void rtl8139_pre_save(void *opaque)
     RTL8139State* s = opaque;
     int64_t current_time = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);

-    /* set IntrStatus correctly */
-    rtl8139_set_next_tctr_time(s, current_time);
+    /* for migration to older versions */
     s->TCTR = muldiv64(current_time - s->TCTR_base, PCI_FREQUENCY,
                        get_ticks_per_sec());
     s->rtl8139_mmio_io_addr_dummy = 0;
@@ -3448,7 +3420,7 @@ static void rtl8139_timer(void *opaque)

     s->IntrStatus |= PCSTimeout;
     rtl8139_update_irq(s);
-    rtl8139_set_next_tctr_time(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
+    rtl8139_set_next_tctr_time(s, true);
}

static void rtl8139_cleanup(NetClientState *nc)
@@ -3536,9 +3508,7 @@ static int pci_rtl8139_init(PCIDevice *dev)
     s->cplus_txbuffer_len = 0;
     s->cplus_txbuffer_offset = 0;

-    s->TimerExpire = 0;
     s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, rtl8139_timer, s);
-    rtl8139_set_next_tctr_time(s, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));

     add_boot_device_path(s->conf.bootindex, d, "/ethernet-phy@0");



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* [Qemu-devel] [RFC PATCH v3 00/49] Deterministic replay and reverse execution
@ 2014-07-31 12:53 Pavel Dovgalyuk
  2014-07-31 12:54 ` [Qemu-devel] [RFC PATCH v3 10/49] rtl8139: adding new fields to vmstate Pavel Dovgalyuk
  0 siblings, 1 reply; 5+ messages in thread
From: Pavel Dovgalyuk @ 2014-07-31 12:53 UTC (permalink / raw)
  To: qemu-devel
  Cc: peter.maydell, peter.crosthwaite, mark.burton, real, batuzovk,
	maria.klimushenkova, pavel.dovgaluk, pbonzini, afaerber,
	fred.konrad

This set of patches is related to the reverse execution and deterministic 
replay of qemu execution  Our implementation of deterministic replay can 
be used for deterministic and reverse debugging of guest code through gdb 
remote interface.

Execution recording writes non-deterministic events log, which can be later 
used for replaying the execution anywhere and for unlimited number of times. 
It also supports checkpointing for faster rewinding during reverse debugging. 
Execution replaying reads the log and replays all non-deterministic events 
including external input, hardware clocks, and interrupts.

Reverse execution has the following features:
 * Deterministically replays whole system execution and all contents of the memory,
   state of the hadrware devices, clocks, and screen of the VM.
 * Writes execution log into the file for latter replaying for multiple times 
   on different machines.
 * Supports i386, x86_64, and ARM hardware platforms.
 * Performs deterministic replay of all operations with keyboard, mouse, network adapters,
   audio devices, serial interfaces, and physical USB devices connected to the emulator.
 * Provides support for gdb reverse debugging commands like reverse-step and reverse-continue.
 * Supports auto-checkpointing for convenient reverse debugging.

Usage of the record/replay:
 * First, record the execution, by adding '-record fname=replay.bin' to the
   command line.
 * Then you can replay it for the multiple times by using another command
   line option: '-replay fname=replay.bin'
 * Virtual machine should have at least one virtual disk, which is used to
   store checkpoints. If you want to enable automatic checkpointing, simply
   add ',period=XX' to record options, where XX is the checkpointing period
   in seconds.
 * Using of the network adapters in record/replay mode is possible with 
   the following command-line options:
   - '-net user' (or another host adapter) in record mode
   - '-net replay' in replay mode. Every host network adapter should be
     replaced by 'replay' when replaying the execution.
 * Reverse debugging can be used through gdb remote interface.
   reverse-stepi and reverse-continue commands are supported. Other reverse
   commands should also work, because they reuse these ones.
 * Monitor is extended by the following commands:
   - replay_info - prints information about replay mode and current step
     (number of instructions executed)
   - replay_break - sets "breakpoint" at the specified instructions count.
   - replay_seek - rewinds (using the checkpoints, if possible) to the
     specified step of replay log.

Paper with short description of deterministic replay implementation:
http://www.computer.org/csdl/proceedings/csmr/2012/4666/00/4666a553-abs.html

Modifications of qemu include:
 * adding missed fields of the virtual devices' states to the vmstate 
   structures to allow deterministic saving and restoring the VM state
 * adding virtual clock-based timers to vmstate structures, because virtual 
   clock is the part of the virtual machine state
 * modification of block layer to support automatic creation of the overlay
   files to store the changes and snapshots while recording
 * disabling of system reset while loading VM state to avoid generating of
   interrupts by reset handlers
 * adding warpers for clock and time functions to save their return
   values in the log
 * saving different asynchronous events (e.g. system shutdown) into the log
 * synchronization of the bottom halves execution
 * synchronization of the threads from thread pool
 * recording/replaying user input (mouse and keyboard), input from virtual
   serial ports, incoming network packets, input from connected USB devices
 * adding HMP/QMP commands to monitor for controlling replay execution

v3 changes:
 * Fixed bug with replay of the aio write operations.
 * Added virtual clock based on replay icount.
 * Removed duplicated saving of interrupt_request CPU field.
 * Fixed some coding style issues.
 * Renamed QMP commands for controlling reverse execution (as suggested by Eric Blake)
 * Replay mode and submode implemented as QAPI enumerations (as suggested by Eric Blake)
 * Added description and example for replay-info command (as suggested by Eric Blake)
 * Added information about the current breakpoint to the output of replay-info (as suggested by Eric Blake)
 * Updated version id for HPET vmstate (as suggested by Paolo Bonzini)
 * Removed static fields from parallel vmstate (as suggested by Paolo Bonzini)
 * New vmstate fields for mc146818rtc, pckbd, kvmapic, serial, fdc, rtl8139 moved to subsection (as suggested by Paolo Bonzini)
 * Disabled textmode cursor blinking, when virtual machine is stopped (as suggested by Paolo Bonzini)
 * Extracted saving of exception_index to separate patch (as suggested by Paolo Bonzini)

v2 changes:
 * Patches are split to be reviewable and bisectable (as suggested by Kirill Batuzov)
 * Added QMP versions of replay commands (as suggested by Eric Blake)
 * Removed some optional features of replay to make patches cleaner
 * Minor changes and code cleanup were made

---

Pavel Dovgalyuk (49):
      acpi: accurate overflow check
      integratorcp: adding vmstate for save/restore
      pcspk: adding vmstate for save/restore
      fdc: adding vmstate for save/restore
      parallel: adding vmstate for save/restore
      serial: fixing vmstate for save/restore
      kvmapic: fixing loading vmstate
      hpet: fixing saving and loading process
      pckbd: adding new fields to vmstate
      rtl8139: adding new fields to vmstate
      piix: do not raise irq while loading vmstate
      mc146818rtc: add missed field to vmstate
      pl031: add missed field to vmstate
      ide pci: reset status field before loading the vmstate
      softmmu: fixing usage of cpu_st/ld* from helpers
      target-i386: update fp status fix
      migration: add vmstate for int8 and char arrays
      replay: global variables and function stubs
      block: add suffix parameter to bdrv_open functions
      sysemu: system functions for replay
      replay: internal functions for replay log
      cpu: invent instruction count for accurate replay
      target-arm: instructions counting code for replay
      target-i386: instructions counting code for replay
      replay: interrupts and exceptions
      vga: do not use virtual clock for blinking cursor
      replay: asynchronous events infrastructure
      replay: recording and replaying clock ticks
      replay: recording and replaying different timers
      replay: shutdown event
      replay: checkpoints
      vmclock: add virtual clock based on replay icount
      replay: bottom halves
      replay: replay aio requests
      replay: thread pool
      pl031: vmstate in replay mode
      replay: initialization and deinitialization
      replay: command line options
      replay: snapshotting the virtual machine
      replay: recording of the user input
      tap-win32: destroy the thread at exit
      replay: network packets record/replay
      replay: audio data record/replay
      replay: serial port
      replay: USB passthrough
      replay: replay_info command
      replay: replay_break command
      replay: replay_seek_step command
      gdbstub: reverse debugging


 Makefile.target                  |    1 
 arch_init.c                      |    8 
 async.c                          |   46 ++
 audio/audio.c                    |   14 +
 audio/audio_win_int.h            |    3 
 audio/winwaveaudio.c             |  167 +++++++--
 block.c                          |  140 ++++++-
 block/blkdebug.c                 |    2 
 block/blkverify.c                |    5 
 block/cow.c                      |    2 
 block/qcow.c                     |    2 
 block/qcow2.c                    |   10 -
 block/qed.c                      |    2 
 block/raw-posix.c                |    6 
 block/raw-win32.c                |    4 
 block/sheepdog.c                 |    4 
 block/vmdk.c                     |    8 
 block/vvfat.c                    |    2 
 blockdev.c                       |   14 -
 cpu-exec.c                       |   34 +-
 cpus.c                           |  101 +++++
 dma-helpers.c                    |   10 -
 exec.c                           |   12 +
 gdbstub.c                        |   79 +++-
 hmp-commands.hx                  |   41 ++
 hw/acpi/core.c                   |    7 
 hw/arm/integratorcp.c            |   38 ++
 hw/audio/pcspk.c                 |   18 +
 hw/block/fdc.c                   |   85 ++++
 hw/block/virtio-blk.c            |   10 -
 hw/char/parallel.c               |   20 +
 hw/char/serial.c                 |  264 ++++++++++++--
 hw/display/vga.c                 |    6 
 hw/i386/kvmvapic.c               |   22 +
 hw/ide/ahci.c                    |    4 
 hw/ide/atapi.c                   |    9 
 hw/ide/core.c                    |   18 +
 hw/ide/pci.c                     |   11 +
 hw/input/pckbd.c                 |   53 +++
 hw/intc/apic_common.c            |   56 +++
 hw/net/rtl8139.c                 |   50 +++
 hw/pci-host/piix.c               |   22 +
 hw/timer/arm_timer.c             |    2 
 hw/timer/hpet.c                  |   15 -
 hw/timer/mc146818rtc.c           |   37 ++
 hw/timer/pl031.c                 |   38 ++
 hw/usb/hcd-uhci.c                |    2 
 hw/usb/host-libusb.c             |  551 +++++++++++++++++++----------
 include/block/aio.h              |   18 +
 include/block/block.h            |   22 +
 include/block/thread-pool.h      |    4 
 include/exec/cpu-defs.h          |    2 
 include/exec/cpu_ldst_template.h |   31 +-
 include/exec/exec-all.h          |   31 ++
 include/hw/host-libusb.h         |  105 ++++++
 include/hw/i386/apic_internal.h  |    2 
 include/migration/vmstate.h      |   13 +
 include/qemu-common.h            |    3 
 include/qemu/main-loop.h         |    1 
 include/qemu/timer.h             |   48 ++-
 include/qom/cpu.h                |    3 
 include/sysemu/char.h            |   25 +
 include/sysemu/cpus.h            |    1 
 include/sysemu/sysemu.h          |    2 
 include/ui/input.h               |    2 
 main-loop.c                      |    5 
 monitor.c                        |   58 +++
 net/Makefile.objs                |    1 
 net/clients.h                    |    3 
 net/dump.c                       |    6 
 net/hub.c                        |    1 
 net/net-replay.c                 |   68 ++++
 net/net.c                        |    7 
 net/slirp.c                      |   14 +
 net/socket.c                     |   35 ++
 net/tap-win32.c                  |   25 +
 net/tap.c                        |   24 +
 net/vde.c                        |   14 +
 qapi-schema.json                 |  102 +++++
 qemu-char.c                      |   56 +++
 qemu-img.c                       |    6 
 qemu-io-cmds.c                   |    2 
 qemu-io.c                        |    7 
 qemu-nbd.c                       |    2 
 qemu-options.hx                  |   30 ++
 qemu-timer.c                     |   52 ++-
 qmp-commands.hx                  |   75 ++++
 replay/Makefile.objs             |   12 +
 replay/replay-audio.c            |  228 ++++++++++++
 replay/replay-char.c             |  100 +++++
 replay/replay-debug.c            |  154 ++++++++
 replay/replay-events.c           |  382 ++++++++++++++++++++
 replay/replay-icount.c           |  130 +++++++
 replay/replay-input.c            |  107 ++++++
 replay/replay-internal.c         |  159 ++++++++
 replay/replay-internal.h         |  224 ++++++++++++
 replay/replay-net.c              |  191 ++++++++++
 replay/replay-qmp.c              |   58 +++
 replay/replay-time.c             |  183 ++++++++++
 replay/replay-usb.c              |  188 ++++++++++
 replay/replay.c                  |  718 ++++++++++++++++++++++++++++++++++++++
 replay/replay.h                  |  214 +++++++++++
 savevm.c                         |   33 +-
 slirp/slirp.c                    |    9 
 softmmu_template.h               |   18 +
 stubs/Makefile.objs              |    1 
 stubs/replay.c                   |   47 ++
 target-arm/Makefile.objs         |    1 
 target-arm/helper.h              |    3 
 target-arm/replay_helper.c       |   38 ++
 target-arm/translate.c           |   62 +++
 target-i386/Makefile.objs        |    1 
 target-i386/cpu.c                |    1 
 target-i386/cpu.h                |    8 
 target-i386/fpu_helper.c         |    5 
 target-i386/helper.h             |    3 
 target-i386/machine.c            |    2 
 target-i386/replay_helper.c      |   38 ++
 target-i386/translate.c          |   93 ++++-
 tests/test-thread-pool.c         |    7 
 thread-pool.c                    |   53 ++-
 trace-events                     |    2 
 translate-all.c                  |   15 +
 ui/input.c                       |   80 +++-
 util/iov.c                       |    4 
 vl.c                             |  122 ++++++
 vmstate.c                        |    6 
 127 files changed, 6102 insertions(+), 559 deletions(-)
 create mode 100755 include/hw/host-libusb.h
 create mode 100755 net/net-replay.c
 create mode 100755 replay/Makefile.objs
 create mode 100755 replay/replay-audio.c
 create mode 100755 replay/replay-char.c
 create mode 100755 replay/replay-debug.c
 create mode 100755 replay/replay-events.c
 create mode 100755 replay/replay-icount.c
 create mode 100755 replay/replay-input.c
 create mode 100755 replay/replay-internal.c
 create mode 100755 replay/replay-internal.h
 create mode 100755 replay/replay-net.c
 create mode 100755 replay/replay-qmp.c
 create mode 100755 replay/replay-time.c
 create mode 100755 replay/replay-usb.c
 create mode 100755 replay/replay.c
 create mode 100755 replay/replay.h
 create mode 100755 stubs/replay.c
 create mode 100755 target-arm/replay_helper.c
 create mode 100755 target-i386/replay_helper.c

-- 
Pavel Dovgalyuk

^ permalink raw reply	[flat|nested] 5+ messages in thread
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2014-07-31 15:49 [Qemu-devel] [RFC PATCH v3 10/49] rtl8139: adding new fields to vmstate Pavel Dovgalyuk
2014-07-31 15:55 ` Eric Blake
2014-07-31 16:20 ` Paolo Bonzini
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2014-07-31 12:53 [Qemu-devel] [RFC PATCH v3 00/49] Deterministic replay and reverse execution Pavel Dovgalyuk
2014-07-31 12:54 ` [Qemu-devel] [RFC PATCH v3 10/49] rtl8139: adding new fields to vmstate Pavel Dovgalyuk
2014-07-31 14:14   ` Paolo Bonzini

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