Re: [Qemu-devel] [RFC PATCH v12 16/21]
> From: Paolo Bonzini [mailto:pbonz...@redhat.com]
> On 05/05/2015 12:22, Pavel Dovgaluk wrote:
> > This patch is the reduced version of prior "bottom halves" patch.
>
> dma-helpers.c is also related to block devices, so it's better not to
> change it now.
Ok.
> Perhaps you can add a replay event for ptimers instead of touching
> bottom halves?
It seems reasonable.
Then I'll have to use BH as a simple callback by implementing "run bh" function.
This BH will be added to replay queue instead of adding it to BH queue.
Pavel Dovgalyuk
> >
> >
> >> -Original Message-
> >> From: Pavel Dovgalyuk [mailto:pavel.dovga...@ispras.ru]
> >> Sent: Tuesday, May 05, 2015 1:19 PM
> >> To: qemu-devel@nongnu.org
> >> Cc: peter.mayd...@linaro.org; peter.crosthwa...@xilinx.com;
> >> ebl...@redhat.com;
> >> mark.bur...@greensocs.com; r...@ispras.ru; batuz...@ispras.ru;
> maria.klimushenk...@ispras.ru;
> >> pavel.dovga...@ispras.ru; pbonz...@redhat.com; alex.ben...@linaro.org;
> >> fred.kon...@greensocs.com
> >> Subject: [RFC PATCH v12 16/21]
> >>
> >>
> >>
> >> Signed-off-by: Pavel Dovgalyuk
> >> ---
> >> async.c | 24 +++-
> >> dma-helpers.c|4 +++-
> >> hw/timer/arm_timer.c |2 +-
> >> include/block/aio.h | 18 ++
> >> include/qemu/main-loop.h |1 +
> >> main-loop.c |5 +
> >> replay/replay-events.c | 16
> >> replay/replay-internal.h |1 +
> >> replay/replay.h |2 ++
> >> stubs/replay.c |4
> >> 10 files changed, 74 insertions(+), 3 deletions(-)
> >>
> >> diff --git a/async.c b/async.c
> >> index bd975c9..d092aa2 100644
> >> --- a/async.c
> >> +++ b/async.c
> >> @@ -27,6 +27,7 @@
> >> #include "block/thread-pool.h"
> >> #include "qemu/main-loop.h"
> >> #include "qemu/atomic.h"
> >> +#include "replay/replay.h"
> >>
> >> /***/
> >> /* bottom halves (can be seen as timers which expire ASAP) */
> >> @@ -39,6 +40,8 @@ struct QEMUBH {
> >> bool scheduled;
> >> bool idle;
> >> bool deleted;
> >> +bool replay;
> >> +uint64_t id;
> >> };
> >>
> >> QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb, void *opaque)
> >> @@ -56,6 +59,21 @@ QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb,
> >> void *opaque)
> >> return bh;
> >> }
> >>
> >> +QEMUBH *aio_bh_new_replay(AioContext *ctx, QEMUBHFunc *cb, void *opaque,
> >> + uint64_t id)
> >> +{
> >> +QEMUBH *bh = aio_bh_new(ctx, cb, opaque);
> >> +bh->replay = true;
> >> +bh->id = id;
> >> +return bh;
> >> +}
> >> +
> >> +void aio_bh_call(void *opaque)
> >> +{
> >> +QEMUBH *bh = (QEMUBH *)opaque;
> >> +bh->cb(bh->opaque);
> >> +}
> >> +
> >> /* Multiple occurrences of aio_bh_poll cannot be called concurrently */
> >> int aio_bh_poll(AioContext *ctx)
> >> {
> >> @@ -78,7 +96,11 @@ int aio_bh_poll(AioContext *ctx)
> >> if (!bh->idle)
> >> ret = 1;
> >> bh->idle = 0;
> >> -bh->cb(bh->opaque);
> >> +if (!bh->replay) {
> >> +aio_bh_call(bh);
> >> +} else {
> >> +replay_add_bh_event(bh, bh->id);
> >> +}
> >> }
> >> }
> >>
> >> diff --git a/dma-helpers.c b/dma-helpers.c
> >> index 6918572..357d7e9 100644
> >> --- a/dma-helpers.c
> >> +++ b/dma-helpers.c
> >> @@ -13,6 +13,7 @@
> >> #include "qemu/range.h"
> >> #include "qemu/thread.h"
> >> #include "qemu/main-loop.h"
> >> +#include "replay/replay.h"
> >>
> >> /* #define DEBUG_IOMMU */
> >>
> >> @@ -96,7 +97,8 @@ static void continue_after_map_failure(void *opaque)
> >> {
> >> DMAAIOCB *dbs = (DMAAIOCB *)opaque;
> >>
> >> -dbs->bh = qemu_bh_new(reschedule_dma, dbs);
> >> +dbs->bh = qemu_bh_new_replay(reschedule_dma, dbs,
> >> + replay_get_current_step());
> >> qemu_bh_schedule(dbs->bh);
> >> }
> >>
> >> diff --git a/hw/timer/arm_timer.c b/hw/timer/arm_timer.c
> >> index 1452910..97784a0 100644
> >> --- a/hw/timer/arm_timer.c
> >> +++ b/hw/timer/arm_timer.c
> >> @@ -168,7 +168,7 @@ static arm_timer_state *arm_timer_init(uint32_t freq)
> >> s->freq = freq;
> >> s->control = TIMER_CTRL_IE;
> >>
> >> -bh = qemu_bh_new(arm_timer_tick, s);
> >> +bh = qemu_bh_new_replay(arm_timer_tick, s, 0);
> >> s->timer = ptimer_init(bh);
> >> vmstate_register(NULL, -1, &vmstate_arm_timer, s);
> >> return s;
> >> diff --git a/include/block/aio.h b/include/block/aio.h
> >> index 82cdf78..ed76b43 100644
> >> --- a/include/block/aio.h
> >> +++ b/include/block/aio.h
> >> @@ -35,6 +35,8 @@ struct BlockAIOCB {
> >> const AIOCBInfo *aiocb_info;
> >> BlockDriverState *bs;
> >> BlockCompletionFunc *cb;
> >> +bool replay;
> >> +uint64_t replay_step;
> >> void *opaque;
> >> int refcnt;
> >> };
> >> @@ -1
Re: [Qemu-devel] [RFC PATCH v12 16/21]
On 5 May 2015 at 11:19, Pavel Dovgalyuk wrote: > > > Signed-off-by: Pavel Dovgalyuk > --- > async.c | 24 +++- > dma-helpers.c|4 +++- > hw/timer/arm_timer.c |2 +- > include/block/aio.h | 18 ++ > include/qemu/main-loop.h |1 + > main-loop.c |5 + > replay/replay-events.c | 16 > replay/replay-internal.h |1 + > replay/replay.h |2 ++ > stubs/replay.c |4 > 10 files changed, 74 insertions(+), 3 deletions(-) Please don't send patches with no commit messages... (this one doesn't even have a subject line summary) thanks -- PMM
Re: [Qemu-devel] [RFC PATCH v12 16/21]
On 05/05/2015 12:22, Pavel Dovgaluk wrote:
> This patch is the reduced version of prior "bottom halves" patch.
dma-helpers.c is also related to block devices, so it's better not to
change it now.
Perhaps you can add a replay event for ptimers instead of touching
bottom halves?
Paolo
> Pavel Dovgalyuk
>
>
>> -Original Message-
>> From: Pavel Dovgalyuk [mailto:pavel.dovga...@ispras.ru]
>> Sent: Tuesday, May 05, 2015 1:19 PM
>> To: qemu-devel@nongnu.org
>> Cc: peter.mayd...@linaro.org; peter.crosthwa...@xilinx.com;
>> ebl...@redhat.com;
>> mark.bur...@greensocs.com; r...@ispras.ru; batuz...@ispras.ru;
>> maria.klimushenk...@ispras.ru;
>> pavel.dovga...@ispras.ru; pbonz...@redhat.com; alex.ben...@linaro.org;
>> fred.kon...@greensocs.com
>> Subject: [RFC PATCH v12 16/21]
>>
>>
>>
>> Signed-off-by: Pavel Dovgalyuk
>> ---
>> async.c | 24 +++-
>> dma-helpers.c|4 +++-
>> hw/timer/arm_timer.c |2 +-
>> include/block/aio.h | 18 ++
>> include/qemu/main-loop.h |1 +
>> main-loop.c |5 +
>> replay/replay-events.c | 16
>> replay/replay-internal.h |1 +
>> replay/replay.h |2 ++
>> stubs/replay.c |4
>> 10 files changed, 74 insertions(+), 3 deletions(-)
>>
>> diff --git a/async.c b/async.c
>> index bd975c9..d092aa2 100644
>> --- a/async.c
>> +++ b/async.c
>> @@ -27,6 +27,7 @@
>> #include "block/thread-pool.h"
>> #include "qemu/main-loop.h"
>> #include "qemu/atomic.h"
>> +#include "replay/replay.h"
>>
>> /***/
>> /* bottom halves (can be seen as timers which expire ASAP) */
>> @@ -39,6 +40,8 @@ struct QEMUBH {
>> bool scheduled;
>> bool idle;
>> bool deleted;
>> +bool replay;
>> +uint64_t id;
>> };
>>
>> QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb, void *opaque)
>> @@ -56,6 +59,21 @@ QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb, void
>> *opaque)
>> return bh;
>> }
>>
>> +QEMUBH *aio_bh_new_replay(AioContext *ctx, QEMUBHFunc *cb, void *opaque,
>> + uint64_t id)
>> +{
>> +QEMUBH *bh = aio_bh_new(ctx, cb, opaque);
>> +bh->replay = true;
>> +bh->id = id;
>> +return bh;
>> +}
>> +
>> +void aio_bh_call(void *opaque)
>> +{
>> +QEMUBH *bh = (QEMUBH *)opaque;
>> +bh->cb(bh->opaque);
>> +}
>> +
>> /* Multiple occurrences of aio_bh_poll cannot be called concurrently */
>> int aio_bh_poll(AioContext *ctx)
>> {
>> @@ -78,7 +96,11 @@ int aio_bh_poll(AioContext *ctx)
>> if (!bh->idle)
>> ret = 1;
>> bh->idle = 0;
>> -bh->cb(bh->opaque);
>> +if (!bh->replay) {
>> +aio_bh_call(bh);
>> +} else {
>> +replay_add_bh_event(bh, bh->id);
>> +}
>> }
>> }
>>
>> diff --git a/dma-helpers.c b/dma-helpers.c
>> index 6918572..357d7e9 100644
>> --- a/dma-helpers.c
>> +++ b/dma-helpers.c
>> @@ -13,6 +13,7 @@
>> #include "qemu/range.h"
>> #include "qemu/thread.h"
>> #include "qemu/main-loop.h"
>> +#include "replay/replay.h"
>>
>> /* #define DEBUG_IOMMU */
>>
>> @@ -96,7 +97,8 @@ static void continue_after_map_failure(void *opaque)
>> {
>> DMAAIOCB *dbs = (DMAAIOCB *)opaque;
>>
>> -dbs->bh = qemu_bh_new(reschedule_dma, dbs);
>> +dbs->bh = qemu_bh_new_replay(reschedule_dma, dbs,
>> + replay_get_current_step());
>> qemu_bh_schedule(dbs->bh);
>> }
>>
>> diff --git a/hw/timer/arm_timer.c b/hw/timer/arm_timer.c
>> index 1452910..97784a0 100644
>> --- a/hw/timer/arm_timer.c
>> +++ b/hw/timer/arm_timer.c
>> @@ -168,7 +168,7 @@ static arm_timer_state *arm_timer_init(uint32_t freq)
>> s->freq = freq;
>> s->control = TIMER_CTRL_IE;
>>
>> -bh = qemu_bh_new(arm_timer_tick, s);
>> +bh = qemu_bh_new_replay(arm_timer_tick, s, 0);
>> s->timer = ptimer_init(bh);
>> vmstate_register(NULL, -1, &vmstate_arm_timer, s);
>> return s;
>> diff --git a/include/block/aio.h b/include/block/aio.h
>> index 82cdf78..ed76b43 100644
>> --- a/include/block/aio.h
>> +++ b/include/block/aio.h
>> @@ -35,6 +35,8 @@ struct BlockAIOCB {
>> const AIOCBInfo *aiocb_info;
>> BlockDriverState *bs;
>> BlockCompletionFunc *cb;
>> +bool replay;
>> +uint64_t replay_step;
>> void *opaque;
>> int refcnt;
>> };
>> @@ -144,6 +146,17 @@ void aio_context_release(AioContext *ctx);
>> QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb, void *opaque);
>>
>> /**
>> + * aio_bh_new_replay: Allocate a new bottom half structure for replay.
>> + *
>> + * This function calls aio_bh_new function and also fills replay parameters
>> + * of the BH structure. BH created with this function in record/replay mode
>> + * are executed through the replay queue only at checkpoints and
>> instructions
>> + * executions.
>> + */
>> +
Re: [Qemu-devel] [RFC PATCH v12 16/21]
This patch is the reduced version of prior "bottom halves" patch.
Pavel Dovgalyuk
> -Original Message-
> From: Pavel Dovgalyuk [mailto:pavel.dovga...@ispras.ru]
> Sent: Tuesday, May 05, 2015 1:19 PM
> To: qemu-devel@nongnu.org
> Cc: peter.mayd...@linaro.org; peter.crosthwa...@xilinx.com; ebl...@redhat.com;
> mark.bur...@greensocs.com; r...@ispras.ru; batuz...@ispras.ru;
> maria.klimushenk...@ispras.ru;
> pavel.dovga...@ispras.ru; pbonz...@redhat.com; alex.ben...@linaro.org;
> fred.kon...@greensocs.com
> Subject: [RFC PATCH v12 16/21]
>
>
>
> Signed-off-by: Pavel Dovgalyuk
> ---
> async.c | 24 +++-
> dma-helpers.c|4 +++-
> hw/timer/arm_timer.c |2 +-
> include/block/aio.h | 18 ++
> include/qemu/main-loop.h |1 +
> main-loop.c |5 +
> replay/replay-events.c | 16
> replay/replay-internal.h |1 +
> replay/replay.h |2 ++
> stubs/replay.c |4
> 10 files changed, 74 insertions(+), 3 deletions(-)
>
> diff --git a/async.c b/async.c
> index bd975c9..d092aa2 100644
> --- a/async.c
> +++ b/async.c
> @@ -27,6 +27,7 @@
> #include "block/thread-pool.h"
> #include "qemu/main-loop.h"
> #include "qemu/atomic.h"
> +#include "replay/replay.h"
>
> /***/
> /* bottom halves (can be seen as timers which expire ASAP) */
> @@ -39,6 +40,8 @@ struct QEMUBH {
> bool scheduled;
> bool idle;
> bool deleted;
> +bool replay;
> +uint64_t id;
> };
>
> QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb, void *opaque)
> @@ -56,6 +59,21 @@ QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb, void
> *opaque)
> return bh;
> }
>
> +QEMUBH *aio_bh_new_replay(AioContext *ctx, QEMUBHFunc *cb, void *opaque,
> + uint64_t id)
> +{
> +QEMUBH *bh = aio_bh_new(ctx, cb, opaque);
> +bh->replay = true;
> +bh->id = id;
> +return bh;
> +}
> +
> +void aio_bh_call(void *opaque)
> +{
> +QEMUBH *bh = (QEMUBH *)opaque;
> +bh->cb(bh->opaque);
> +}
> +
> /* Multiple occurrences of aio_bh_poll cannot be called concurrently */
> int aio_bh_poll(AioContext *ctx)
> {
> @@ -78,7 +96,11 @@ int aio_bh_poll(AioContext *ctx)
> if (!bh->idle)
> ret = 1;
> bh->idle = 0;
> -bh->cb(bh->opaque);
> +if (!bh->replay) {
> +aio_bh_call(bh);
> +} else {
> +replay_add_bh_event(bh, bh->id);
> +}
> }
> }
>
> diff --git a/dma-helpers.c b/dma-helpers.c
> index 6918572..357d7e9 100644
> --- a/dma-helpers.c
> +++ b/dma-helpers.c
> @@ -13,6 +13,7 @@
> #include "qemu/range.h"
> #include "qemu/thread.h"
> #include "qemu/main-loop.h"
> +#include "replay/replay.h"
>
> /* #define DEBUG_IOMMU */
>
> @@ -96,7 +97,8 @@ static void continue_after_map_failure(void *opaque)
> {
> DMAAIOCB *dbs = (DMAAIOCB *)opaque;
>
> -dbs->bh = qemu_bh_new(reschedule_dma, dbs);
> +dbs->bh = qemu_bh_new_replay(reschedule_dma, dbs,
> + replay_get_current_step());
> qemu_bh_schedule(dbs->bh);
> }
>
> diff --git a/hw/timer/arm_timer.c b/hw/timer/arm_timer.c
> index 1452910..97784a0 100644
> --- a/hw/timer/arm_timer.c
> +++ b/hw/timer/arm_timer.c
> @@ -168,7 +168,7 @@ static arm_timer_state *arm_timer_init(uint32_t freq)
> s->freq = freq;
> s->control = TIMER_CTRL_IE;
>
> -bh = qemu_bh_new(arm_timer_tick, s);
> +bh = qemu_bh_new_replay(arm_timer_tick, s, 0);
> s->timer = ptimer_init(bh);
> vmstate_register(NULL, -1, &vmstate_arm_timer, s);
> return s;
> diff --git a/include/block/aio.h b/include/block/aio.h
> index 82cdf78..ed76b43 100644
> --- a/include/block/aio.h
> +++ b/include/block/aio.h
> @@ -35,6 +35,8 @@ struct BlockAIOCB {
> const AIOCBInfo *aiocb_info;
> BlockDriverState *bs;
> BlockCompletionFunc *cb;
> +bool replay;
> +uint64_t replay_step;
> void *opaque;
> int refcnt;
> };
> @@ -144,6 +146,17 @@ void aio_context_release(AioContext *ctx);
> QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb, void *opaque);
>
> /**
> + * aio_bh_new_replay: Allocate a new bottom half structure for replay.
> + *
> + * This function calls aio_bh_new function and also fills replay parameters
> + * of the BH structure. BH created with this function in record/replay mode
> + * are executed through the replay queue only at checkpoints and instructions
> + * executions.
> + */
> +QEMUBH *aio_bh_new_replay(AioContext *ctx, QEMUBHFunc *cb, void *opaque,
> + uint64_t id);
> +
> +/**
> * aio_notify: Force processing of pending events.
> *
> * Similar to signaling a condition variable, aio_notify forces
> @@ -159,6 +172,11 @@ QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb, void
> *opaque);
> void aio_notify(A
[Qemu-devel] [RFC PATCH v12 16/21]
Signed-off-by: Pavel Dovgalyuk
---
async.c | 24 +++-
dma-helpers.c|4 +++-
hw/timer/arm_timer.c |2 +-
include/block/aio.h | 18 ++
include/qemu/main-loop.h |1 +
main-loop.c |5 +
replay/replay-events.c | 16
replay/replay-internal.h |1 +
replay/replay.h |2 ++
stubs/replay.c |4
10 files changed, 74 insertions(+), 3 deletions(-)
diff --git a/async.c b/async.c
index bd975c9..d092aa2 100644
--- a/async.c
+++ b/async.c
@@ -27,6 +27,7 @@
#include "block/thread-pool.h"
#include "qemu/main-loop.h"
#include "qemu/atomic.h"
+#include "replay/replay.h"
/***/
/* bottom halves (can be seen as timers which expire ASAP) */
@@ -39,6 +40,8 @@ struct QEMUBH {
bool scheduled;
bool idle;
bool deleted;
+bool replay;
+uint64_t id;
};
QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb, void *opaque)
@@ -56,6 +59,21 @@ QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb, void
*opaque)
return bh;
}
+QEMUBH *aio_bh_new_replay(AioContext *ctx, QEMUBHFunc *cb, void *opaque,
+ uint64_t id)
+{
+QEMUBH *bh = aio_bh_new(ctx, cb, opaque);
+bh->replay = true;
+bh->id = id;
+return bh;
+}
+
+void aio_bh_call(void *opaque)
+{
+QEMUBH *bh = (QEMUBH *)opaque;
+bh->cb(bh->opaque);
+}
+
/* Multiple occurrences of aio_bh_poll cannot be called concurrently */
int aio_bh_poll(AioContext *ctx)
{
@@ -78,7 +96,11 @@ int aio_bh_poll(AioContext *ctx)
if (!bh->idle)
ret = 1;
bh->idle = 0;
-bh->cb(bh->opaque);
+if (!bh->replay) {
+aio_bh_call(bh);
+} else {
+replay_add_bh_event(bh, bh->id);
+}
}
}
diff --git a/dma-helpers.c b/dma-helpers.c
index 6918572..357d7e9 100644
--- a/dma-helpers.c
+++ b/dma-helpers.c
@@ -13,6 +13,7 @@
#include "qemu/range.h"
#include "qemu/thread.h"
#include "qemu/main-loop.h"
+#include "replay/replay.h"
/* #define DEBUG_IOMMU */
@@ -96,7 +97,8 @@ static void continue_after_map_failure(void *opaque)
{
DMAAIOCB *dbs = (DMAAIOCB *)opaque;
-dbs->bh = qemu_bh_new(reschedule_dma, dbs);
+dbs->bh = qemu_bh_new_replay(reschedule_dma, dbs,
+ replay_get_current_step());
qemu_bh_schedule(dbs->bh);
}
diff --git a/hw/timer/arm_timer.c b/hw/timer/arm_timer.c
index 1452910..97784a0 100644
--- a/hw/timer/arm_timer.c
+++ b/hw/timer/arm_timer.c
@@ -168,7 +168,7 @@ static arm_timer_state *arm_timer_init(uint32_t freq)
s->freq = freq;
s->control = TIMER_CTRL_IE;
-bh = qemu_bh_new(arm_timer_tick, s);
+bh = qemu_bh_new_replay(arm_timer_tick, s, 0);
s->timer = ptimer_init(bh);
vmstate_register(NULL, -1, &vmstate_arm_timer, s);
return s;
diff --git a/include/block/aio.h b/include/block/aio.h
index 82cdf78..ed76b43 100644
--- a/include/block/aio.h
+++ b/include/block/aio.h
@@ -35,6 +35,8 @@ struct BlockAIOCB {
const AIOCBInfo *aiocb_info;
BlockDriverState *bs;
BlockCompletionFunc *cb;
+bool replay;
+uint64_t replay_step;
void *opaque;
int refcnt;
};
@@ -144,6 +146,17 @@ void aio_context_release(AioContext *ctx);
QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb, void *opaque);
/**
+ * aio_bh_new_replay: Allocate a new bottom half structure for replay.
+ *
+ * This function calls aio_bh_new function and also fills replay parameters
+ * of the BH structure. BH created with this function in record/replay mode
+ * are executed through the replay queue only at checkpoints and instructions
+ * executions.
+ */
+QEMUBH *aio_bh_new_replay(AioContext *ctx, QEMUBHFunc *cb, void *opaque,
+ uint64_t id);
+
+/**
* aio_notify: Force processing of pending events.
*
* Similar to signaling a condition variable, aio_notify forces
@@ -159,6 +172,11 @@ QEMUBH *aio_bh_new(AioContext *ctx, QEMUBHFunc *cb, void
*opaque);
void aio_notify(AioContext *ctx);
/**
+ * aio_bh_call: Executes callback function of the specified BH.
+ */
+void aio_bh_call(void *opaque);
+
+/**
* aio_bh_poll: Poll bottom halves for an AioContext.
*
* These are internal functions used by the QEMU main loop.
diff --git a/include/qemu/main-loop.h b/include/qemu/main-loop.h
index 62c68c0..f5a98fe 100644
--- a/include/qemu/main-loop.h
+++ b/include/qemu/main-loop.h
@@ -306,6 +306,7 @@ void qemu_iohandler_fill(GArray *pollfds);
void qemu_iohandler_poll(GArray *pollfds, int rc);
QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
+QEMUBH *qemu_bh_new_replay(QEMUBHFunc *cb, void *opaque, uint64_t id);
void qemu_bh_schedule_idle(QEMUBH *bh);
#endif
diff --git a/main-loop.c b/main-loop.c
index 06aad06..87ebad4 100644
--- a/main-loop.c
+++ b/main-loop.c
@@ -514,3 +514,8 @@ Q
