From: Dr. David Alan Gilbert dgilb...@redhat.com
Hi,
This patch-pair adds the QEMUSizedBuffer based in-memory QEMUFile
written by Stefan Berger and Joel Schopp. I've made some minor
fixes (and typo cleanups) and modified the existing test-vmstate
to use it for some test cases.
While there's
From: Dr. David Alan Gilbert dgilb...@redhat.com
Modify some of tests/test-vmstate.c to use the in memory file based
on QEMUSizedBuffer to provide basic testing of QEMUSizedBuffer and
the associated memory backed QEMUFile type.
Only some of the tests are changed so that the fd backed QEMUFile is
From: Dr. David Alan Gilbert dgilb...@redhat.com
This is based on Stefan and Joel's patch that creates a QEMUFile that goes
to a memory buffer; from:
http://lists.gnu.org/archive/html/qemu-devel/2013-03/msg05036.html
Using the QEMUFile interface, this patch adds support functions for
operating
From: Dr. David Alan Gilbert dgilb...@redhat.com
This is based on Stefan and Joel's patch that creates a QEMUFile that goes
to a memory buffer; from:
http://lists.gnu.org/archive/html/qemu-devel/2013-03/msg05036.html
Using the QEMUFile interface, this patch adds support functions for
operating
From: Dr. David Alan Gilbert dgilb...@redhat.com
Hi,
This patch-pair adds the QEMUSizedBuffer based in-memory QEMUFile
written by Stefan Berger and Joel Schopp. I've made some minor
fixes (and typo cleanups) and modified the existing test-vmstate
to use it for some test cases.
While there's
From: Dr. David Alan Gilbert dgilb...@redhat.com
Modify some of tests/test-vmstate.c to use the in memory file based
on QEMUSizedBuffer to provide basic testing of QEMUSizedBuffer and
the associated memory backed QEMUFile type.
Only some of the tests are changed so that the fd backed QEMUFile is
From: Dr. David Alan Gilbert dgilb...@redhat.com
Hi,
This is a 2nd cut of my postcopy implementation; it fixes up some
of the comments from the 1st posting but it also fixes a lot of bugs,
(other comments from the 1st round will be fixed later).
The commands to start a postcopy migration have
From: Dr. David Alan Gilbert dgilb...@redhat.com
Add migrate_send_rp_message to send a message from destination to source along
the return path.
(It uses a mutex to let it be called from multiple threads)
Add migrate_send_rp_shut to send a 'shut' message to indicate
the destination is
From: Dr. David Alan Gilbert dgilb...@redhat.com
There are currently lots of pieces of incoming migration state scattered
around, and postcopy is adding more, and it seems better to try and keep
it together.
allocate MIS in process_incoming_migration_co
Signed-off-by: Dr. David Alan Gilbert
From: Dr. David Alan Gilbert dgilb...@redhat.com
Improve the existing DPRINTF macros in migration.c and arch_init
by:
1) Making them go to stderr rather than stdout (so you can run with
-nographic and redirect your debug to a file)
2) Making them print the ms time with each debug - useful for
From: Dr. David Alan Gilbert dgilb...@redhat.com
Postcopy needs a method to send messages from the destination back to
the source, this is the 'return path'.
Wire it up for 'socket' QEMUFile's using a dup'd fd.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
From: Dr. David Alan Gilbert dgilb...@redhat.com
check the return value of the function it calls and error if it's none-0
Fixup qemu_rdma_init_one_block that is the only current caller,
and __qemu_rdma_add_block the only function it calls using it.
Pass the name of the ramblock to the
From: Dr. David Alan Gilbert dgilb...@redhat.com
Flip many fprintf's to error_report
Add lots of DPRINTF debug in qemu_loadvm*
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
savevm.c | 23 +--
1 file changed, 17 insertions(+), 6 deletions(-)
diff --git
From: Dr. David Alan Gilbert dgilb...@redhat.com
and use it in loadvm_state.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/migration/qemu-file.h | 2 ++
qemu-file.c | 15 +++
savevm.c | 18 ++
3 files
From: Dr. David Alan Gilbert dgilb...@redhat.com
Create QEMU_VM_COMMAND section type for sending commands from
source to destination. These commands are not intended to convey
guest state but to control the migration process.
For use in postcopy.
Signed-off-by: Dr. David Alan Gilbert
From: Dr. David Alan Gilbert dgilb...@redhat.com
Provide functions to be called before the start of a postcopy
enabled migration (even if it's not eventually used) and
at the end.
During the init we must disable huge pages in the RAM that
we will receive postcopy data into, since if they start
From: Dr. David Alan Gilbert dgilb...@redhat.com
Once postcopy is enabled (with migrate_set_capability), the migration
will still start on precopy mode. To cause a transition into postcopy
the:
migrate_start_postcopy
command must be issued. Postcopy will start sometime after this
(when it's
From: Dr. David Alan Gilbert dgilb...@redhat.com
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/migration/postcopy-ram.h | 5 +
postcopy-ram.c | 36 +++-
2 files changed, 40 insertions(+), 1 deletion(-)
diff --git
From: Dr. David Alan Gilbert dgilb...@redhat.com
Postcopy needs to have two migration streams loading concurrently;
one from memory (with the device state) and the other from the fd
with the memory transactions.
Split the core of qemu_loadvm_state out so we can use it for both.
Allow the inner
From: Dr. David Alan Gilbert dgilb...@redhat.com
Open a return path, and handle messages that are received upon it.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/migration/migration.h | 11
migration.c | 145
From: Dr. David Alan Gilbert dgilb...@redhat.com
QEMU_VM_CMD_PACKAGED is a migration command that allows a chunk
of migration stream to be sent in one go, and be received by
a separate instance of the loadvm loop while not interacting
with the migration stream.
This is used by postcopy to load
From: Dr. David Alan Gilbert dgilb...@redhat.com
Provide a check to see if the OS we're running on has all the bits
needed for postcopy.
Creates postcopy-ram.c which will get most of the other helpers we need.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
Makefile.objs
From: Dr. David Alan Gilbert dgilb...@redhat.com
Suspend to file is very much like a migrate, and it makes life
easier if we have the Migration state available, so initialise it
in the savevm.c code for suspending.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
From: Dr. David Alan Gilbert dgilb...@redhat.com
Add state variable showing current incoming postcopy state.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/migration/migration.h | 8 ++
include/sysemu/sysemu.h | 23 +++
savevm.c | 324
From: Dr. David Alan Gilbert dgilb...@redhat.com
The PMI holds the state of each page on the incoming side,
so that we can tell if the page is missing, already received
or there is a request outstanding for it.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
From: Dr. David Alan Gilbert dgilb...@redhat.com
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
arch_init.c | 11 +++
include/migration/migration.h | 1 +
migration.c | 1 +
3 files changed, 13 insertions(+)
diff --git a/arch_init.c
From: Dr. David Alan Gilbert dgilb...@redhat.com
Use that to split the qemu_savevm_state_pending counts into postcopiable
and non-postcopiable amounts
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
arch_init.c | 7 +++
include/migration/vmstate.h | 2 +-
From: Dr. David Alan Gilbert dgilb...@redhat.com
Open the return path before migration thread creation.
Since this can fail, guard the fd cleanup so it doesn't
try and destroy the potentially non-existent thread.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
From: Dr. David Alan Gilbert dgilb...@redhat.com
Switch to postcopy if:
1) There's still a significant amount to transfer
2) Postcopy is enabled
3) migrate_postcopy_start has been issued.
and change the cleanup at the end of migration to match.
Signed-off-by: Dr. David Alan Gilbert
From: Dr. David Alan Gilbert dgilb...@redhat.com
When postcopy calls qemu_savevm_state_complete it's not really
the end of migration, so skip:
a) Finishing postcopiable iterative devices - they'll carry on
b) The termination byte on the end of the stream.
We then also add:
From: Dr. David Alan Gilbert dgilb...@redhat.com
Postcopy sends RAMBlock names and offsets over the wire (since it can't
rely on the order of ramaddr being the same), and it starts out with
HVA fault addresses from the kernel.
qemu_ram_block_from_host translates a HVA into a RAMBlock, an offset
From: Dr. David Alan Gilbert dgilb...@redhat.com
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/migration/migration.h | 3 +++
postcopy-ram.c| 23 +++
2 files changed, 26 insertions(+)
diff --git a/include/migration/migration.h
From: Dr. David Alan Gilbert dgilb...@redhat.com
'MIG_STATE_POSTCOPY_ACTIVE' is entered after migrate_start_postcopy
'migration_postcopy_phase' is provided for other sections to know if
they're in postcopy.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
From: Dr. David Alan Gilbert dgilb...@redhat.com
Tweak the end of migration cleanup; we don't want to close stuff down
at the end of the main stream, since the postcopy is still sending pages
on the other thread.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
migration.c | 20
From: Dr. David Alan Gilbert dgilb...@redhat.com
On receiving MIG_RPCOMM_REQPAGES look up the address and
queue the page.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
arch_init.c | 52 +++
include/migration/migration.h |
From: Dr. David Alan Gilbert dgilb...@redhat.com
Where postcopy is preceeded by a period of precopy, the destination will
have received pages that may have been dirtied on the source after the
page was sent. The destination must throw these pages away before
starting it's CPUs.
Maintain a
From: Dr. David Alan Gilbert dgilb...@redhat.com
When transmitting RAM pages, consume pages that have been queued by
MIG_RPCOMM_REQPAGE commands and send them ahead of normal page scanning.
Note:
a) After a queued page the linear walk carries on from after the
unqueued page; there is a
From: Dr. David Alan Gilbert dgilb...@redhat.com
postcopy_start:
Perform all the initialisation associated with starting up postcopy
mode from the source.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
migration.c | 85
From: Dr. David Alan Gilbert dgilb...@redhat.com
In postcopy, the destination guest is running at the same time
as it's receiving pages; as we receive new pages we must put
them into the guests address space atomically to avoid a running
CPU accessing a partially written page.
Use the helpers in
From: Dr. David Alan Gilbert dgilb...@redhat.com
postcopy_place_page (etc) provide a way for postcopy to place a page
into guests memory atomically (using the new remap_anon_pages syscall).
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/migration/migration.h| 1 +
From: Dr. David Alan Gilbert dgilb...@redhat.com
The loading of a device state (during postcopy) may access guest
memory that's still on the source machine and thus might need
a page fill; split off a separate thread that handles the incoming
page data so that the original incoming migration code
From: Dr. David Alan Gilbert dgilb...@redhat.com
I've seen it go negative once during dev, it shouldn't
happen.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
arch_init.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch_init.c b/arch_init.c
index c006d21..58eccc1 100644
From: Dr. David Alan Gilbert dgilb...@redhat.com
userfaultfd is a Linux syscall that gives an fd that receives a stream
of notifications of accesses to pages marked as MADV_USERFAULT, and
allows the program to acknowledge those stalls and tell the accessing
thread to carry on.
Signed-off-by: Dr.
From: Dr. David Alan Gilbert dgilb...@redhat.com
Wire up more of the handlers for the commands on the destination side,
in particular loadvm_postcopy_ram_handle_run now has enough to start the
guest running.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
savevm.c | 68
From: Dr. David Alan Gilbert dgilb...@redhat.com
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
docs/migration.txt | 150 +
1 file changed, 150 insertions(+)
diff --git a/docs/migration.txt b/docs/migration.txt
index
From: Dr. David Alan Gilbert dgilb...@redhat.com
Add MIG_RPCOMM_REQPAGES command on Return path for the postcopy
destination to request a page from the source.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/migration/migration.h | 3 ++
migration.c | 77
From: Dr. David Alan Gilbert dgilb...@redhat.com
Stefan Berger's to create a QEMUFile that goes to a memory buffer;
from:
http://lists.gnu.org/archive/html/qemu-devel/2013-03/msg05036.html
Using the QEMUFile interface, this patch adds support functions for
operating
on in-memory sized buffers
From: Dr. David Alan Gilbert dgilb...@redhat.com
This is a work in progress cut of my visitor+BER format migration
world; there's lots to do but it's starting to get there.
I'd appreciate if anyone who has more experience with either the
visitor code, or ASN.1/BER in general has a look to see if
From: Dr. David Alan Gilbert dgilb...@redhat.com
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
docs/specs/migration.schema | 113
1 file changed, 113 insertions(+)
create mode 100644 docs/specs/migration.schema
diff --git
From: Dr. David Alan Gilbert dgilb...@redhat.com
Rework the common types in vmstate.c to use .visit rather than .get/.put
and now call the correct visitor function.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
vmstate.c | 376
From: Dr. David Alan Gilbert dgilb...@redhat.com
based on Michael Roth's
https://lists.gnu.org/archive/html/qemu-devel/2011-09/msg02470.html
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/qapi/qemu-file-binary-input-visitor.h | 27 +
qapi/Makefile.objs
From: Dr. David Alan Gilbert dgilb...@redhat.com
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
savevm.c | 39 ---
1 file changed, 32 insertions(+), 7 deletions(-)
diff --git a/savevm.c b/savevm.c
index 7431773..25e92f2 100644
--- a/savevm.c
From: Dr. David Alan Gilbert dgilb...@redhat.com
Binary compatible output visitor to write to a QEMUFile in current migration
format.
This is based on Michael Roth's series :
https://lists.gnu.org/archive/html/qemu-devel/2011-09/msg02466.html
Signed-off-by: Dr. David Alan Gilbert
From: Dr. David Alan Gilbert dgilb...@redhat.com
BER output visitor to be selected with env (as other output visitors)
BER input visitor recognized by file header
exec.c: Set cpu-common to use it's own type tag (as example)
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
exec.c
From: Dr. David Alan Gilbert dgilb...@redhat.com
array types
From https://lists.gnu.org/archive/html/qemu-devel/2011-09/msg02465.html
str256 type
For the upto 256byte strings QEMU commonly uses for IDs
buffer type
For a blob of data that the caller wants to deliver whole (e.g.
From: Dr. David Alan Gilbert dgilb...@redhat.com
A migration visitor whose output is textual and purely for human
consumption for debug.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/qapi/qemu-file-debug-output-visitor.h | 26 ++
qapi/Makefile.objs
From: Dr. David Alan Gilbert dgilb...@redhat.com
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
ber.h: Add VMSTATE_CPU_COMMON
---
include/qapi/ber.h | 108
include/qapi/qemu-file-ber-output-visitor.h | 26 +
qapi/Makefile.objs |
From: Dr. David Alan Gilbert dgilb...@redhat.com
Add information on the QEMUFile/Visitor/VMState split
Describe how to verify a BER stream against the schema
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
docs/migration.txt | 34 --
1 file changed,
From: Dr. David Alan Gilbert dgilb...@redhat.com
Replace QEMUFile by Visitor in most of the output path.
There are still a few places that want a QEMUFile* and
those are TODOs at the moment.
Hacks in pci.c, spapr, spapr_vscsi.c for now where new
visitor/qemufile boundaries have been added.
From: Dr. David Alan Gilbert dgilb...@redhat.com
Hacks in piix4.c, pci.c, spapr_vscsi.c for now
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
arch_init.c | 72 ++-
hw/acpi/piix4.c | 5 +-
hw/pci/pci.c| 3 +-
From: Dr. David Alan Gilbert dgilb...@redhat.com
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/migration/qemu-file.h | 4
qemu-file.c | 12
2 files changed, 16 insertions(+)
diff --git a/include/migration/qemu-file.h
From: Dr. David Alan Gilbert dgilb...@redhat.com
Move constants around and add types to allow file structure to move into
visitors.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
arch_init.c | 12
include/migration/migration.h | 15 +++
From: Dr. David Alan Gilbert dgilb...@redhat.com
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/qapi/qemu-file-ber-input-visitor.h | 26 +
qapi/Makefile.objs |2 +-
qapi/qemu-file-ber-input-visitor.c | 1163
From: Dr. David Alan Gilbert dgilb...@redhat.com
Make qemu_peek_buffer repeatedly call fill_buffer until it gets
all the data it requires, or until there is an error.
At the moment, qemu_peek_buffer will try one qemu_fill_buffer if there
isn't enough data waiting, however the kernel is
From: Dr. David Alan Gilbert dgilb...@redhat.com
This is a fix for a bug* triggered by a migration after hot unplugging
a few virtio-net NICs, that caused migration never to converge, because
'migration_dirty_pages' is incorrectly initialised.
'migration_dirty_pages' is used as a tally of the
From: Dr. David Alan Gilbert dgilb...@redhat.com
Make qemu_peek_buffer repeatedly call fill_buffer until it gets
all the data it requires, or until there is an error.
At the moment, qemu_peek_buffer will try one qemu_fill_buffer if there
isn't enough data waiting, however the kernel is
From: Dr. David Alan Gilbert dgilb...@redhat.com
QEMU will assert if you attempt to start an outgoing migration on
a QEMU that's sitting waiting for an incoming migration (started
with -incoming), so disallow it with a proper error.
(This is a fix for
From: Dr. David Alan Gilbert dgilb...@redhat.com
QEMU will assert if you attempt to start an outgoing migration on
a QEMU that's sitting waiting for an incoming migration (started
with -incoming), so disallow it with a proper error.
(This is a fix for
From: Dr. David Alan Gilbert dgilb...@redhat.com
Commit 'virtio: validate config_len on load' restricted config_len
loaded from the wire to match the config_len that the device had.
Unfortunately, there are cases where this isn't true, the one
we found it on was the wqe addition in virtio-blk.
From: Dr. David Alan Gilbert dgilb...@redhat.com
Commit 'virtio: validate config_len on load' restricted config_len
loaded from the wire to match the config_len that the device had.
Unfortunately, there are cases where this isn't true, the one
we found it on was the wce addition in virtio-blk.
From: Dr. David Alan Gilbert dgilb...@redhat.com
VMWare apparently doesn't like running under QEMU due to our
incomplete emulation of it's special IO Port. This adds a
-machine suboption to allow it to be turned off.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
From: Dr. David Alan Gilbert dgilb...@redhat.com
Allow a VersionInfo to be passed as an option to migrate
to indicate the destination QEMU version.
It's intended to help those having to provide compatibility between minor
versions (irrespective of what might have happened in a previous minor)
From: Dr. David Alan Gilbert dgilb...@redhat.com
HMP currently allows optional string parameters, however where
there are multiple optional string parameters the order and
interdependence of them becomes complex.
Allow optional parameters of the form:
-x string
Also, add a hint to
From: Dr. David Alan Gilbert dgilb...@redhat.com
Uses the new 'optional parameter with string' parameter type
e.g.
migrate -v 2.0.0 (foo) exec: whatever
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
hmp-commands.hx | 7 ++--
hmp.c | 106
From: Dr. David Alan Gilbert dgilb...@redhat.com
This patch set provides an optional parameter to 'migrate' giving
the destination QEMU version, it's intended for those having to maintain
compatibility between minor versions (including downstream versions) and
also for those who need to think
From: Dr. David Alan Gilbert dgilb...@redhat.com
Fix comparison of vmstate_info_int32_le so that it succeeds if loaded
value is (l)ess than or (e)qual
When the comparison succeeds, assign the value loaded
This is a change in behaviour but I think the original intent, since
the idea is to
From: Dr. David Alan Gilbert dgilb...@redhat.com
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/qemu/host-utils.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/qemu/host-utils.h b/include/qemu/host-utils.h
index de85d28..285c5fb 100644
---
From: Dr. David Alan Gilbert dgilb...@redhat.com
Fix comparison of vmstate_info_int32_le so that it succeeds if loaded
value is (l)ess than or (e)qual
When the comparison succeeds, assign the value loaded
This is a change in behaviour but I think the original intent, since
the idea is to
From: Dr. David Alan Gilbert dgilb...@redhat.com
Push zero'd pages into the XBZRLE cache
A page that was cached by XBZRLE, zero'd and then XBZRLE'd again
was being compared against a stale cache value
Don't use 'qemu_put_buffer_async' to put pages from the XBZRLE cache
Since the
From: Dr. David Alan Gilbert dgilb...@redhat.com
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
vl.c | 52 +++-
1 file changed, 39 insertions(+), 13 deletions(-)
diff --git a/vl.c b/vl.c
index 7f4fe0d..5f993e4 100644
--- a/vl.c
+++
From: Dr. David Alan Gilbert dgilb...@redhat.com
Add flag storage to qemu-thread-* to store the namethreads flag
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/qemu/thread.h| 1 +
qemu-options.hx | 6 --
util/qemu-thread-posix.c | 7 +++
From: Dr. David Alan Gilbert dgilb...@redhat.com
This series uses pthread_setname_np (when available) to set the names on
threads that QEMU creates to make life easier when debugging.
It's turned off by default (because there were worries that it might break
tools that relied on process names)
From: Dr. David Alan Gilbert dgilb...@redhat.com
If enabled, set the thread name at creation (on GNU systems with
pthread_set_np)
Fix up all the callers with a thread name
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
cpus.c | 6 +++---
From: Dr. David Alan Gilbert dgilb...@redhat.com
Add flag storage to qemu-thread-* to store the namethreads flag
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/qemu/thread.h| 1 +
qemu-options.hx | 7 +--
util/qemu-thread-posix.c | 7 +++
From: Dr. David Alan Gilbert dgilb...@redhat.com
If enabled, set the thread name at creation (on GNU systems with
pthread_set_np)
Fix up all the callers with a thread name
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
cpus.c | 25
From: Dr. David Alan Gilbert dgilb...@redhat.com
This series uses pthread_setname_np (when available) to set the names on
threads that QEMU creates to make life easier when debugging.
It's turned off by default (because there were worries that it might break
tools that relied on process names)
From: Dr. David Alan Gilbert dgilb...@redhat.com
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
Reviewed-by: Alex Bennée alex.ben...@linaro.org
---
vl.c | 52 +++-
1 file changed, 39 insertions(+), 13 deletions(-)
diff --git a/vl.c
From: Dr. David Alan Gilbert dgilb...@redhat.com
Hacks in piix4.c, pci.c, spapr_vscsi.c for now
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
arch_init.c | 93 +++---
hw/acpi/piix4.c | 5 +-
hw/pci/pci.c| 3
From: Dr. David Alan Gilbert dgilb...@redhat.com
Binary compatible output visitor to write to a QEMUFile in current migration
format.
This is based on Michael Roth's series :
https://lists.gnu.org/archive/html/qemu-devel/2011-09/msg02466.html
Signed-off-by: Dr. David Alan Gilbert
From: Dr. David Alan Gilbert dgilb...@redhat.com
Replace QEMUFile by Visitor in most of the output path.
There are still a few places that want a QEMUFile* and
those are TODOs at the moment.
Hacks in pci.c, spapr, spapr_vscsi.c for now where new
visitor/qemufile boundaries have been added.
From: Dr. David Alan Gilbert dgilb...@redhat.com
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/qapi/qemu-file-ber-input-visitor.h | 26 +
qapi/Makefile.objs |2 +-
qapi/qemu-file-ber-input-visitor.c | 1575
From: Dr. David Alan Gilbert dgilb...@redhat.com
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
docs/specs/migration.schema | 133
1 file changed, 133 insertions(+)
create mode 100644 docs/specs/migration.schema
diff --git
From: Dr. David Alan Gilbert dgilb...@redhat.com
Rework the common types in vmstate.c to use .visit rather than .get/.put
and now call the correct visitor function.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
vmstate.c | 376
From: Dr. David Alan Gilbert dgilb...@redhat.com
Add information on the QEMUFile/Visitor/VMState split
Describe how to verify a BER stream against the schema
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
docs/migration.txt | 34 --
1 file changed,
From: Dr. David Alan Gilbert dgilb...@redhat.com
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
docs/specs/migration.schema | 8 +++-
exec.c | 2 ++
include/qapi/ber.h | 1 +
3 files changed, 10 insertions(+), 1 deletion(-)
diff --git
From: Dr. David Alan Gilbert dgilb...@redhat.com
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/migration/qemu-file.h | 4
qemu-file.c | 12
2 files changed, 16 insertions(+)
diff --git a/include/migration/qemu-file.h
From: Dr. David Alan Gilbert dgilb...@redhat.com
This is the 2nd version of my work-in-progress cut of my visitor+BER
format migration world; there's lots to do but it's starting to get there.
I'd appreciate if anyone who has more experience with either the visitor
code, or ASN.1/BER in general
From: Dr. David Alan Gilbert dgilb...@redhat.com
Stefan Berger's to create a QEMUFile that goes to a memory buffer;
from:
http://lists.gnu.org/archive/html/qemu-devel/2013-03/msg05036.html
Using the QEMUFile interface, this patch adds support functions for
operating
on in-memory sized buffers
From: Dr. David Alan Gilbert dgilb...@redhat.com
QEMUFilePart takes a backing QEMUFile and a length, and exposes only
'length' bytes from the backing QEMUFile.
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/migration/qemu-file.h | 2 ++
qemu-file.c | 73
From: Dr. David Alan Gilbert dgilb...@redhat.com
based on Michael Roth's
https://lists.gnu.org/archive/html/qemu-devel/2011-09/msg02470.html
Signed-off-by: Dr. David Alan Gilbert dgilb...@redhat.com
---
include/qapi/qemu-file-binary-input-visitor.h | 27 +
qapi/Makefile.objs
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