DTrace on Mac OS X fails due to trace events using 'self' as an argument
name:
GEN trace/generated-tracers-dtrace.h
dtrace: failed to compile script trace/generated-tracers-dtrace.dtrace: line 1330: syntax error, unexpected DT_KEY_SELF, expecting ) near "self"
make: *** [trace/generated-tracers-dtrace.h] Error 1
Filter argument names according to the list of DTrace .d file reserved
keywords.
Note that DTrace on Mac and Linux still do not work after this patch.
There are additional build issues remaining.
Reported-by: Henk Poley <henkpoley@gmail.com>
Tested-by: Henk Poley <henkpoley@gmail.com>
Cc: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
V=1 should show what's going on, it's not nice
to silence things unconditionally.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <1424332114-13440-1-git-send-email-mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* remotes/qmp-unstable/queue/qmp:
qapi-types: add C99 index names to arrays
monitor: Fix missing err = NULL in client_migrate_info()
balloon: Fix typo
hmp: Fix warning from smatch (wrong argument in function call)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Thomas Huth noticed that some linux headers
use __inline__, change to inline to be consistent
with the rest of QEMU.
Reported-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
It doesn't make sense to copy values manually:
the only issue with getting headers from linux
seems to be dealing with linux/types, we
can easily fix that automatically while importing.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
- RCU: fix MemoryRegion lifetime issues in PCI; document the rules;
convert of AddressSpaceDispatch and RAMList
- KVM: add kvm_exit reasons for aarch64
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
- vhost-scsi: add bootindex property
- RCU: fix MemoryRegion lifetime issues in PCI; document the rules;
convert of AddressSpaceDispatch and RAMList
- KVM: add kvm_exit reasons for aarch64
# gpg: Signature made Mon Feb 16 16:32:32 2015 GMT using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini/tags/for-upstream: (21 commits)
Convert ram_list to RCU
exec: convert ram_list to QLIST
cosmetic changes preparing for the following patches
exec: protect mru_block with RCU
rcu: add g_free_rcu
rcu: introduce RCU-enabled QLIST
exec: RCUify AddressSpaceDispatch
exec: make iotlb RCU-friendly
exec: introduce cpu_reload_memory_map
docs: clarify memory region lifecycle
pci: split shpc_cleanup and shpc_free
pcie: remove mmconfig memory leak and wrap mmconfig update with transaction
memory: keep the owner of the AddressSpace alive until do_address_space_destroy
rcu: run RCU callbacks under the BQL
rcu: do not let RCU callbacks pile up indefinitely
vhost-scsi: set the bootable value of channel/target/lun
vhost-scsi: add a property for booting
vhost-scsi: expose the TYPE_FW_PATH_PROVIDER interface
vhost-scsi: add bootindex property
qdev: support to get a device firmware path directly
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
It's not easy to figure out how monitor translates
strings: most QEMU code deals with translated indexes,
these are translated using _lookup arrays,
so you need to find the array name, and find the
appropriate offset.
This patch adds C99 indexes to lookup arrays, which makes it possible to
find the correct key using simple grep, and see that the matching is
correct at a glance.
Example:
Before:
const char *MigrationCapability_lookup[] = {
"xbzrle",
"rdma-pin-all",
"auto-converge",
"zero-blocks",
NULL,
};
After:
const char *MigrationCapability_lookup[] = {
[MIGRATION_CAPABILITY_XBZRLE] = "xbzrle",
[MIGRATION_CAPABILITY_RDMA_PIN_ALL] = "rdma-pin-all",
[MIGRATION_CAPABILITY_AUTO_CONVERGE] = "auto-converge",
[MIGRATION_CAPABILITY_ZERO_BLOCKS] = "zero-blocks",
[MIGRATION_CAPABILITY_MAX] = NULL,
};
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
QLIST has RCU-friendly primitives, so switch to it.
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Mike Day <ncmike@ncultra.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This adds scripts/qtest.py as a python library for qtest protocol.
This is a skeleton with a basic "cmd" method to execute a command,
reading and parsing of qtest output could be added later on demand.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 1422586186-9925-3-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This patch defines the list of kvm_exit reasons for aarch64. This list is
based on the Exception Class (EC) field of HSR register. With this patch
users can trace the execution of guest VMs better. A sample output from
command "kvm_stat -1 -t" is shown as the following:
<...>
kvm_exit(WATCHPT_HYP) 0 0
kvm_exit(WFI) 9422 9361
NOTE: This patch requires TRACE_EVENT(kvm_exit) to include exit_reason
field in TP_ARGS. A patch to upstream kernel has been submitted.
Signed-off-by: Wei Huang <wei@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It fixes the following error:
Traceback (most recent call last):
File "./scripts/analyze-migration.py", line 584, in <module>
dump.read(dump_memory = args.memory)
File "./scripts/analyze-migration.py", line 528, in read
self.sections[section_id].read()
File "./scripts/analyze-migration.py", line 250, in read
self.file.readvar(n_valid * HASH_PTE_SIZE_64)
NameError: global name 'HASH_PTE_SIZE_64' is not defined
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
When debugging migration it's useful to know the PID of
each trace message so you can figure out if it came from the source
or the destination.
Printing the time makes it easy to do latency measurements or timings
between trace points.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: 1421746875-9962-1-git-send-email-dgilbert@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This patch adds a python tool to the scripts directory that can read
a dumped migration stream if it contains the JSON description of the
device states. I constructs a human readable JSON stream out of it.
It's very simple to use:
$ qemu-system-x86_64
(qemu) migrate "exec:cat > mig"
$ ./scripts/analyze_migration.py -f mig
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Commit 22382bb96c renamed the
'hw_cursor_x' and 'hw_cursor_y' fields in cirrus_vga. Update the static
checker's whitelist to allow matching against the old and new names.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Memory allocated with GLib needs to be freed with GLib. Freeing it
with free() instead of g_free() is a common error. Harmless when
g_free() is a trivial wrapper around free(), which is commonly the
case. But model the difference anyway.
In a local scan, this flags four ALLOC_FREE_MISMATCH. Requires
--enable ALLOC_FREE_MISMATCH, because the checker is still preview.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Without a model, Coverity can't know that the result of g_strdup()
needs to be fed to g_free().
One way to get such a model is to scan GLib, build a derived model
file with cov-collect-models, and use that when scanning QEMU.
Unfortunately, the Coverity Scan service we use doesn't support that.
Thus, we're stuck with the other way: write a user model. Doing that
for all of GLib is hardly practical. I'm doing it for the "String
Utility Functions" we actually use that return dynamically allocated
strings.
In a local scan, this flags 20 additional RESOURCE_LEAKs. The ones I
checked look genuine.
It also loses a NULL_RETURNS about ppce500_init() using
qemu_find_file() without error checking. I don't understand why.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
In current versions of GLib, g_new() may expand into g_malloc_n().
When it does, Coverity can't see the memory allocation, because we
don't model g_malloc_n(). Similarly for g_new0(), g_renew(),
g_try_new(), g_try_new0(), g_try_renew().
Model g_malloc_n(), g_malloc0_n(), g_realloc_n(). Model
g_try_malloc_n(), g_try_malloc0_n(), g_try_realloc_n() by adding
indeterminate out of memory conditions on top.
To avoid undue duplication, replace the existing models for g_malloc()
& friends by trivial wrappers around g_malloc_n() & friends.
In a local scan, this flags four additional RESOURCE_LEAKs and one
NULL_RETURNS.
The NULL_RETURNS is a false positive: Coverity can now see that
g_try_malloc(l1_sz * sizeof(uint64_t)) in
qcow2_check_metadata_overlap() may return NULL, but is too stupid to
recognize that a loop executing l1_sz times won't be entered then.
Three out of the four RESOURCE_LEAKs appear genuine. The false
positive is in ppce500_prep_device_tree(): the pointer dies, but a
pointer to a struct member escapes, and we get the pointer back for
freeing with container_of(). Too funky for Coverity.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
While running kvm_stat using tracepoint on ARM64 hardware (e.g. "kvm_stat
-1 -t"), the initial values of some kvm_userspace_exit counters were found
to be very suspecious. For instance the tracing tool showed that S390_TSCH
was called many times on ARM64 machine, which apparently was wrong.
This patch adds RESET ioctl support for perf monitoring. Before calling
ioctl to enable a perf event, this patch resets the counter first. With
this patch, the init counter values become correct on ARM64 hardware.
Example:
==== before patch ====
kvm_userspace_exit(S390_SIEIC) 1426 0
kvm_userspace_exit(S390_TSCH) 339 0
==== after patch ====
kvm_userspace_exit(S390_SIEIC) 0 0
kvm_userspace_exit(S390_TSCH) 0 0
Signed-off-by: Wei Huang <wei@redhat.com>
kvm_stat uses syscall() to call perf_event_open(). If this function
call fails, the returned value is -1, which doesn't tell the details
of such failure (i.e. ENOSYS or EINVAL). This patch retrieves errno
and prints it when syscall() fails. The error message will look like
"Exception: perf_event_open failed, errno = 38".
Signed-off-by: Wei Huang <wei@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This patch updates the exit reasons for x86_vmx, x86_svm, and userspace
to the latest definition.
Signed-off-by: Wei Huang <wei@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This patch enables aarch64 support for kvm_stat. The platform detection
is based on OS uname.
Signed-off-by: Wei Huang <wei@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Make sure that all generated C structs have at least one field; this
avoids potential issues with attempting to malloc space for
zero-length structs in C (g_malloc(sizeof struct) would return NULL).
It also avoids an incompatibility with C++ (where an empty struct is
size 1); that isn't important to us now but might be in future.
Generated empty structures look like this:
struct Abort
{
char qapi_dummy_field_for_empty_struct;
};
This silences clang warnings like:
./qapi-types.h:3752:1: warning: empty struct has size 0 in C, size 1 in C++ [-Wextern-c-compat]
struct Abort
^
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1419359069-16611-1-git-send-email-peter.maydell@linaro.org
CODING_STYLE states the following about braces around blocks:
> The opening brace is on the line that contains the control flow
> statement that introduces the new block; [...]
This is obviously impossible with multi-line conditions. Therefore,
CODING_STYLE does not make any clear statement about where to put the
opening brace after a multi-line condition.
There is a reason to prefer to place the opening brace on an own line
after such a condition while still placing it on the same line as the
"control flow statement" if possible; that reason is that the last line
of a multi-line condition is indented, in the case of "if", it is often
indented by four spaces, just as much as the first statement in the
block will be indented. This is hard to read as there is no clearly
visible distinction between condition and block. Placing the opening
brace on a separate line solves this issue.
Also, there are cases where placing the opening brace on a separate line
is the only viable option; if the previous line had nearly 80 characters
and splitting it is not desirable, the opening brace is naturally placed
on an own line.
This patch fixes checkpatch.pl to not complain about braces on own lines
if the condition introducing the block spanned more than one line, or if
the previous line had 79 or 80 characters.
Furthermore, the warning about not having braces around a block is fixed
to mind braces not being on the last line of the condition.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Linus likely does not want to get e-mails about QEMU, so let's
just remove this option.
Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: Don Slutz <dslutz@verizon.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
simpletrace.py does not recognize the tcg option while reading trace-events file. In result simpletrace does not work on binary traces and tcg enabled events. Moved transformation of tcg enabled events to _read_events() which is used by simpletrace.
Signed-off-by: Christoph Seifert <christoph.seifert@posteo.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
A bunch of minor bugfixes all over the place.
changes from v2:
added cpu hotplug rework
added default vga type switch
more fixes
changes from v1:
fix for test re-generation script
add missing acks to two patches
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc, virtio, misc bugfixes
A bunch of minor bugfixes all over the place.
changes from v2:
added cpu hotplug rework
added default vga type switch
more fixes
changes from v1:
fix for test re-generation script
add missing acks to two patches
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Mon 03 Nov 2014 16:33:13 GMT using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
* remotes/mst/tags/for_upstream: (28 commits)
vga: flip qemu 2.2 pc machine types from cirrus to stdvga
vga: add default display to machine class
vhost-user: fix mmap offset calculation
hw/i386/acpi-build.c: Fix memory leak in acpi_build_tables_cleanup()
smbios: Encode UUID according to SMBIOS specification
pc: Add pc_compat_2_1() function
hw/virtio/vring/event_idx: fix the vring_avail_event error
hw/pci: fixed hotplug crash when using rombar=0 with devices having romfile
hw/pci: fixed error flow in pci_qdev_init
-machine vmport=off: Allow disabling of VMWare ioport emulation
acpi/cpu-hotplug: introduce helper function to keep bit setting in one place
cpu-hotplug: rename function for better readability
qom/cpu: remove the unused CPU hot-plug notifier
pc: Update rtc_cmos in pc_cpu_plug
pc: add cpu hotplug handler to PC_MACHINE
acpi:piix4: convert cpu hotplug to hotplug_handler API
acpi:ich9: convert cpu hotplug to hotplug_handler API
acpi/cpu: add cpu hotplug callback function to match hotplug_handler API
acpi: create separate file for TCPA log
tests: fix rebuild-expected-aml.sh for acpi-test rename
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add a 16-bytes buffer to allow storing a 128-bit UUID value in an
ACPI table.
Signed-off-by: Gal Hammer <ghammer@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add support for powerpc platforms. We use uname -m, which allows us to
detect ppc, ppc64 and ppc64le/el.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Unfortunately ioctl numbers are platform specific, so abstract them out
of the code so they can be overridden. As it happens x86 and s390 share
the same values, so nothing needs to change yet.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The current platform detection is a little bit messy. We look for lines
in /proc/cpuinfo starting with 'flags' OR 'vendor-id', and scan both
for values we know will only occur in one or the other. We also keep
scanning once we've found a value, which could be a feature, but isn't
in this case.
We'd also like to add another platform, powerpc, which will just make it
worse. So clean it up in preparation.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In kvm_stat we have a dictionary of exit reasons for s390. Firstly these
are not s390 specific, they are the generic exit reasons. So rename the
dictionary to reflect that, and add it separately to filters[].
Secondly, the values are defined using hex, but in the kernel header
they are decimal. That means values above 9 in kvm_stat are incorrect.
While we're there, fix the whitespace to match the rest of the file.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In kvm_stat we grovel through /sys to find out how many cpus are in the
system. However if a cpu is offline it will still be present in /sys,
and the perf_event_open() will fail.
Modify the logic to only return online cpus. We need to be careful on
systems which don't support cpu hotplug, the online file will not be
present at all.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The list emitted by --git-fallback often leads inexperienced contributors
to add pointless CCs. While not discouraging usage of --git-fallback,
we want to:
1) disable the fallback if only some files lack a maintainer
$ scripts/get_maintainer.pl -f util/cutils.c hw/ide/core.c
Kevin Wolf <kwolf@redhat.com> (odd fixer:IDE)
Stefan Hajnoczi <stefanha@redhat.com> (odd fixer:IDE)
This behavior is taken even if --git-fallback is specified.
2) warn the contributors about what we're doing, asking them to use their
common sense:
$ scripts/get_maintainer.pl -f util/cutils.c
get_maintainer.pl: No maintainers found, printing recent contributors.
get_maintainer.pl: Do not blindly cc: them on patches! Use common sense.
Luiz Capitulino <lcapitulino@redhat.com> (commit_signer:1/2=50%)
...
$
Explicitly disabling the fallback will not result in the warning message:
$ scripts/get_maintainer.pl -f util/cutils.c --no-git-fallback
$ echo $?
0
(Returning 1 would break usage of scripts/get_maintainer.pl as a cccmd
for git-send-email).
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
All checks in the loop are guarded by that condition, and there is a
handy "if" just below. Simplify the code.
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In some cases an input visitor might bail out on filling out a
struct for various reasons, such as missing fields when running
in strict mode. In the case of a QAPI Union type, this may lead
to cases where the .kind field which encodes the union type
is uninitialized. Subsequently, other visitors, such as the
dealloc visitor, may use this .kind value as if it were
initialized, leading to assumptions about the union type which
in this case may lead to segfaults. For example, freeing an
integer value.
However, we can generally rely on the fact that the always-present
.data void * field that we generate for these union types will
always be NULL in cases where .kind is uninitialized (at least,
there shouldn't be a reason where we'd do this purposefully).
So pass this information on to Visitor implementation via these
optional start_union/end_union interfaces so this information
can be used to guard against the situation above. We will make
use of this information in a subsequent patch for the dealloc
visitor.
Cc: qemu-stable@nongnu.org
Reported-by: Fam Zheng <famz@redhat.com>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This adds reporting of RDSEED exiting and XSAVES/XRSTORS #UD and fixes
the range of VMCS revision as well as some typos.
Signed-off-by: Adrian-Ken Rueegsegger <ken@codelabs.ch>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This only affects lttng user space tracing at the moment.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The script can get fooled too easily. For instance, it finds
trace_megasas_io_read_start when looking for trace_megasas_io_read,
and incorrectly concludes that event megasas_io_read is used.
Supply -w to git-grep to tighten the search.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1411476811-24251-2-git-send-email-armbru@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Use \w for properties and trace event names since they are both drawn
from [a-zA-Z0-9_] character sets.
The .* for matching properties was too aggressive and caused the
following failure with foo(int rc) "(this is a test)":
Traceback (most recent call last):
File "scripts/tracetool.py", line 139, in <module>
main(sys.argv)
File "scripts/tracetool.py", line 134, in main
binary=binary, probe_prefix=probe_prefix)
File "scripts/tracetool/__init__.py", line 334, in generate
events = _read_events(fevents)
File "scripts/tracetool/__init__.py", line 262, in _read_events
res.append(Event.build(line))
File "scripts/tracetool/__init__.py", line 225, in build
return Event(name, props, fmt, args, arg_fmts)
File "scripts/tracetool/__init__.py", line 185, in __init__
% ", ".join(unknown_props))
ValueError: Unknown properties: foo(int, rc)
Cc: Lluís Vilanova <vilanova@ac.upc.edu>
Reported-by: Eric Auger <eric.auger@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1411468626-20450-1-git-send-email-stefanha@redhat.com
TCG-enabled events start with two format strings. Delay per-argument format
computation until requested ('Event.formats').
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1408557576-14574-3-git-send-email-mreitz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This is a dummy file with no user, drop it.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
of the NMI monitor command.
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Merge remote-tracking branch 'remotes/kvm/tags/for-upstream' into staging
Mostly bugfixes + Alexey's interface-based implementation
of the NMI monitor command.
# gpg: Signature made Thu 28 Aug 2014 15:07:22 BST using RSA key ID 9B4D86F2
# gpg: Good signature from "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: aka "Paolo Bonzini <bonzini@gnu.org>"
* remotes/kvm/tags/for-upstream:
mc146818rtc: reinitialize irq_reinject_on_ack_count on reset
target-i386: Add "tsc_adjust" CPU feature name
target-i386: Add "mpx" CPU feature name
vl: process -object after other backend options
checkpatch.pl: adjust typedef definition to QEMU coding style
x86: Clear MTRRs on vCPU reset
x86: kvm: Add MTRR support for kvm_get|put_msrs()
x86: Use common variable range MTRR counts
target-i386: Don't forbid NX bit on PAE PDEs and PTEs
spapr: Add support for new NMI interface
s390x: Migrate to new NMI interface
s390x: Convert QEMUMachine to MachineClass
cpus: Define callback for QEMU "nmi" command
kvm: run cpu state synchronization on target vcpu thread
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Red Hat Enterprise Linux 5 ships Python 2.4.3. The all() function was
added in Python 2.5 so we cannot use it.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Benoît Canet <benoit.canet@nodalink.com>
There is one instance of any() in qapi.py that breaks builds on older
distros that ship Python 2.4 (like RHEL5):
GEN qmp-commands.h
Traceback (most recent call last):
File "build/scripts/qapi-commands.py", line 445, in ?
exprs = parse_schema(input_file)
File "build/scripts/qapi.py", line 329, in parse_schema
schema = QAPISchema(open(input_file, "r"))
File "build/scripts/qapi.py", line 110, in __init__
if any(include_path == elem[1]
NameError: global name 'any' is not defined
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Benoît Canet <benoit.canet@nodalink.com>
Most QEMU typedefs are camelcase, starting with one uppercase letter
and containing at least one lowercase letter. There are a few
all-uppercase types, add the most common too.
This fixes recognition of types in lines such as
static __attribute__((unused)) inline void tcg_out8(TCGContext *s, uint8_t v)
(Example provided by Peter Maydell).
Reported-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This makes the UST backend pay attention to the format string arguments
that are defined when defining payload data. With this you can now
ensure integers are reported in hex mode if you want.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Generate header "trace/generated-tcg-tracers.h" with the necessary routines for
tracing events in guest code:
* trace_${event}_tcg
Convenience wrapper that calls the translation-time tracer
'trace_${event}_trans', and calls 'gen_helper_trace_${event}_exec to
generate the TCG code to later trace the event at execution time.
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Generates header "trace/generated-helpers-wrappers.h" with definitions for TCG
helper wrappers.
These wrappers ('gen_helper_trace_${event}_exec_wrapper') transform mixed native
and TCG argument types to TCG types and call the actual TCG helpers
('gen_helper_trace_${event}_exec_proxy').
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Generates file "trace/generated-helpers.c" with TCG helper definitions to trace
events in guest code at execution time.
The helpers ('helper_trace_${event}_exec_proxy') cast the TCG-compatible native
argument types to their original types (as defined in "trace-events") and call
the tracing routine ('trace_${event}_exec').
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Generates file "trace/generated-helpers.h" with TCG helper declarations to trace
events in guest code at execution time ('trace_${event}_exec_proxy').
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
It can be useful to read simpletrace files that have no header. For
example, a ring buffer may not have a header record but can still be
processed if the user is sure the file format version is compatible.
$ scripts/simpletrace.py --no-header trace-events trace-file
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This new tracetool "format" generates a SystemTap .stp file that outputs
simpletrace binary trace data.
In contrast to simpletrace or ftrace, SystemTap does not define its own
trace format. All output from SystemTap is generated by .stp files.
This patch lets us generate a .stp file that outputs in the simpletrace
binary format.
This makes it possible to reuse simpletrace.py to analyze traces
recorded using SystemTap. The simpletrace binary format is especially
useful for long-running traces like flight-recorder mode where string
formatting can be expensive.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
SystemTap reserved words sometimes conflict with QEMU variable names.
We escape them to prevent conflicts.
Move escaping into its own function so the next patch can reuse it.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
While comparing qemu-1.0 json output with qemu-2.1, a few fields got
marked unused. These need to be skipped over, and not flagged as
mismatches.
For handling unused fields, the exact number of bytes need to be skipped
over as the size of the unused field.
Currently, only the term "unused" is matched. When more field names
turn up, this will have to be updated based on the whitelist matching
method to match more such terms.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Comparing json outputs from qemu-1.0 with qemu-2.1 turned up a few
description name changes; whitelist them here.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Commit 292b1634 changed the section name of "ICH9 LPC" to "ICH9-LPC",
and that causes the static checker to flag this:
Section "ICH9 LPC" does not exist in dest
This patch introduces a function that checks for section renames and
also a dictionary that maps those renames.
Reported-by: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
---
This is a small patch to a script; doesn't break qemu and helps with the
static checker, so it's a very low-risk patch for 2.1.
This script compares the vmstate dumps in JSON format as output by QEMU
with the -dump-vmstate option.
It flags various errors, like version mismatch, sections going away,
size mismatches, etc.
This script is tolerant of a few changes that do not change the on-wire
format, like embedding a few fields within substructs.
The script takes -s/--src and -d/--dest parameters, to which filenames
are given as arguments.
Example:
(in a qemu 2.0 tree):
./x86_64-softmmu/qemu-system-x86_64 -dump-vmstate qemu-2.0.json
(in a qemu 2.2 tree:)
./x86_64-softmmu/qemu-system-x86_64 -dump-vmstate -M pc-i440fx-2.0 \
qemu-2.2-m2.0.json
./scripts/vmstate-static-checker.py -s qemu-2.0.json -d qemu-2.2-m2.0.json
The script also takes a --reverse parameter to switch the src and dest
jsons. This is just a shorthand for reversing the src and dest.
The --help parameter shows usage information.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
qapi-event.py will parse the schema and generate qapi-event.c, then
the API in qapi-event.c can be used to handle events in qemu code.
All API have prefix "qapi_event".
The script mainly includes two parts: generate API for each event
define, generate an enum type for all defined events.
Since in some cases the real emit behavior may change, for example,
qemu-img would not send a event, a callback layer is used to
control the behavior. As a result, the stubs at compile time
can be saved, the binding of block layer code and monitor code
will become looser.
Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
We always generate a space between type and identifier in parameter
and variable declarations, even when idiomatic C style doesn't have
a space there. Suppress it.
Signed-off-by: Amos Kong <akong@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
It's ugly to add const prefix for parameter type by an if statement
outside c_type(). This patch adds a parameter to do it.
Signed-off-by: Amos Kong <akong@redhat.com>
Suggested-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
A space after * when declaring a pointer type is redundant.
Signed-off-by: Amos Kong <akong@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Adds support to compile QEMU with multiple tracing backends at the same time.
For example, you can compile QEMU with:
$ ./configure --enable-trace-backends=ftrace,dtrace
Where 'ftrace' can be handy for having an in-flight record of events, and 'dtrace' can be later used to extract more information from the system.
This patch allows having both available without recompiling QEMU.
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Extract the pid field from the trace record and print it.
Change the trace record tuple from:
(event_num, timestamp, arg1, ..., arg6)
to:
(event_num, timestamp, pid, arg1, ..., arg6)
Trace event methods now support 3 prototypes:
1. <event-name>(arg1, arg2, arg3)
2. <event-name>(timestamp, arg1, arg2, arg3)
3. <event-name>(timestamp, pid, arg1, arg2, arg3)
Existing script continue to work without changes, they only know about
prototypes 1 and 2.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
* remotes/kvm/uq/master:
kvm: Fix eax for cpuid leaf 0x40000000
kvmclock: Ensure proper env->tsc value for kvmclock_current_nsec calculation
kvm: Enable -cpu option to hide KVM
kvm: Ensure negative return value on kvm_init() error handling path
target-i386: set CC_OP to CC_OP_EFLAGS in cpu_load_eflags
target-i386: get CPL from SS.DPL
target-i386: rework CPL checks during task switch, preparing for next patch
target-i386: fix segment flags for SMM and VM86 mode
target-i386: Fix vm86 mode regression introduced in fd460606fd.
kvm_stat: allow choosing between tracepoints and old stats
kvmclock: Ensure time in migration never goes backward
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The old stats contain information not available in the tracepoints.
By default, keep the old behavior, but allow choosing which set of stats
to present, or even both.
Inspired by a patch from Marcelo Tosatti.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In general QMP command parameter values are specified by consumers of the
QMP/HMP interface, but in the case of optional parameters these values may
be left uninitialized.
It is considered a bug for code to make use of optional parameters that have
not been flagged as being present by the marshalling code (via corresponding
has_<parameter> parameter), however our marshalling code will still pass
these uninitialized values on to the corresponding QMP function (to then
be ignored). Some compilers (clang in particular) consider this unsafe
however, and generate warnings as a result. As reported by Peter Maydell:
This is something clang's -fsanitize=undefined spotted. The
code generated by qapi-commands.py in qmp-marshal.c for
qmp_marshal_* functions where there are some optional
arguments looks like this:
bool has_force = false;
bool force;
mi = qmp_input_visitor_new_strict(QOBJECT(args));
v = qmp_input_get_visitor(mi);
visit_type_str(v, &device, "device", errp);
visit_start_optional(v, &has_force, "force", errp);
if (has_force) {
visit_type_bool(v, &force, "force", errp);
}
visit_end_optional(v, errp);
qmp_input_visitor_cleanup(mi);
if (error_is_set(errp)) {
goto out;
}
qmp_eject(device, has_force, force, errp);
In the case where has_force is false, we never initialize
force, but then we use it by passing it to qmp_eject.
I imagine we don't then actually use the value, but clang
complains in particular for 'bool' variables because the value
that ends up being loaded from memory for 'force' is not either
0 or 1 (being uninitialized stack contents).
Fix this by initializing all QMP command parameters to {0} in the
marshalling code prior to passing them on to the QMP functions.
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
The Python "except Foo as x" syntax was only introduced in
Python 2.6, but we aim to support Python 2.4 and later.
Use the old-style "except Foo, x" syntax instead, thus
fixing configure/compile on systems with older Python.
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Andreas Färber <andreas.faerber@web.de>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
The purpose of this change is to help create a json file containing
common definitions; each bit of generated C code must be emitted
only one time.
A second history global to all QAPISchema instances has been added
to detect when a file is included more than one time and skip these
includes.
It does not act as a stack and the changes made to it by the
__init__ function are propagated back to the caller so it's really
a global state.
Signed-off-by: Benoit Canet <benoit@irqsave.net>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
We commonly use the error API like this:
err = NULL;
foo(..., &err);
if (err) {
goto out;
}
bar(..., &err);
Every error source is checked separately. The second function is only
called when the first one succeeds. Both functions are free to pass
their argument to error_set(). Because error_set() asserts no error
has been set, this effectively means they must not be called with an
error set.
The qapi-generated code uses the error API differently:
// *errp was initialized to NULL somewhere up the call chain
frob(..., errp);
gnat(..., errp);
Errors accumulate in *errp: first error wins, subsequent errors get
dropped. To make this work, the second function does nothing when
called with an error set. Requires non-null errp, or else the second
function can't see the first one fail.
This usage has also bled into visitor tests, and two device model
object property getters rtc_get_date() and balloon_stats_get_all().
With the "accumulate" technique, you need fewer error checks in
callers, and buy that with an error check in every callee. Can be
nice.
However, mixing the two techniques is confusing. You can't use the
"accumulate" technique with functions designed for the "check
separately" technique. You can use the "check separately" technique
with functions designed for the "accumulate" technique, but then
error_set() can't catch you setting an error more than once.
Standardize on the "check separately" technique for now, because it's
overwhelmingly prevalent.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
In preparation of error handling changes. Bonus: generates less
duplicated code.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
generate_visit_struct_fields() generates the base type's struct member
name both with and without the field prefix. Harmless, because the
field prefix is always empty there: only unboxed complex members have
a prefix, and those can't have a base type.
Clean it up anyway.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
By un-inlining the visit of nested complex types.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Changing implicit indentation in the middle of generating a block
makes following the code being generated unnecessarily hard.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Semantics of end_optional() differ subtly from the other end_FOO()
callbacks: when start_FOO() succeeds, the matching end_FOO() gets
called regardless of what happens in between. end_optional() gets
called only when everything in between succeeds as well. Entirely
undocumented, like all of the visitor API.
The only user of Visitor Callback end_optional() never did anything,
and was removed in commit 9f9ab46.
I'm about to clean up error handling in the generated visitor code,
and end_optional() is in my way. No users mean no test cases, and
making non-trivial cleanup transformations without test cases doesn't
strike me as a good idea.
Drop end_optional(), and rename start_optional() to optional(). We
can always go back to a pair of callbacks when we have an actual need.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Input and output marshalling functions do it differently. Change them
to work the same: initialize the I/O visitor, use it, clean it up,
initialize the dealloc visitor, use it, clean it up.
This delays dealloc visitor initialization in output marshalling
functions, and input visitor cleanup in input marshalling functions.
No functional change, but the latter will be convenient when I change
the error handling.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* remotes/qmp-unstable/queue/qmp: (38 commits)
Revert "qapi: Clean up superfluous null check in qapi_dealloc_type_str()"
qapi: Document optional arguments' backwards compatibility
qmp: use valid JSON in transaction example
qmp: Don't use error_is_set() to suppress additional errors
dump: Drop pointless error_is_set(), DumpState member errp
qemu-option: Clean up fragile use of error_is_set()
qga: Drop superfluous error_is_set()
qga: Clean up fragile use of error_is_set()
qapi: Clean up fragile use of error_is_set()
tests/qapi-schema: Drop superfluous error_is_set()
qapi: Drop redundant, unclean error_is_set()
hmp: Guard against misuse of hmp_handle_error()
qga: Use return values instead of error_is_set(errp)
error: Consistently name Error ** objects errp, and not err
qmp: Consistently name Error ** objects errp, and not err
qga: Consistently name Error ** objects errp, and not err
qmp hmp: Consistently name Error * objects err, and not errp
pci-assign: assigned_initfn(): set monitor error in common error handler
pci-assign: propagate errors from assign_intx()
pci-assign: propagate errors from assign_device()
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The primitive uses JSON syntax, and include paths are relative to the file using the directive:
{ 'include': 'path/to/file.json' }
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Use an explicit input file on the command-line instead of reading from standard
input.
It also outputs the proper file name when there's an error.
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Backends now only contain the essential backend-specific code, and most of the work is moved to frontend code.
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The following tracetool cleanup changes the event numbering policy.
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Makes it easier to ensure proper naming across the different frontends and backends.
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This is the model file that is being used for the QEMU project's scans
on scan.coverity.com. It fixed about 30 false positives (10% of the
total) and exposed about 60 new memory leaks.
The file is not automatically used; changes to it must be propagated
to the website manually by an admin (right now Markus, Peter and me
are admins).
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Before deleting .git, determine the version and save it in .version file.
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Message-id: 1395277315-7806-1-git-send-email-afaerber@suse.de
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add the binfmt-misc magic needed to register QEMU for handling AArch64
ELF binaries.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-id: 1394822294-14837-26-git-send-email-peter.maydell@linaro.org
[crobinso@localhost qemu-2.0.0-rc0]$ find . -name .git
./dtc/.git
./pixman/.git
This is already done for the rom submodules.
https://bugs.launchpad.net/qemu/+bug/1224414
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Now "enum AIOContext" will generate AIO_CONTEXT instead of A_I_O_CONTEXT,
"X86CPU" will generate X86_CPU instead of X86_C_P_U.
Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Since enum based discriminators provide better type-safety and
ensure that future qapi additions do not forget to adjust dependent
unions, forbid using string as discriminator from now on.
Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
By default, any union will automatically generate a enum type as
"[UnionName]Kind" in C code, and it is duplicated when the discriminator
is specified as a pre-defined enum type in schema. After this patch,
the pre-defined enum type will be really used as the switch case
condition in generated C code, if discriminator is an enum field.
Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Prior to this patch, qapi-visit.py used custom code to generate enum
names used for handling a qapi union. Fix it to instead reuse common
code, with identical generated results, and allowing future updates to
generation to only need to touch one place.
Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Later both qapi-types.py and qapi-visit.py need a common function
for enum name generation.
Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Since line info is remembered as QAPISchema.line now, this patch
uses it as additional info for every expr in QAPISchema inside qapi.py,
then improves error message with it in checking of exprs.
For common union the patch will check whether base is a valid complex
type if specified. For flat union it will check whether base presents,
whether discriminator is found in base, whether the key of every branch
is correct when discriminator is an enum type.
Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Before this patch, 'QAPISchemaError' scans whole input until 'pos'
to get error line number. After this patch, the scan is avoided since
line number is remembered in schema parsing. This patch also benefits
other error report functions, which would be introduced later.
Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
It is bad that same key was specified twice, especially when a union has
two branches with same condition. This patch can prevent it.
Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Later other scripts will need to check the enum values.
Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Visitors get passed a pointer to the visited object. The generated
visitors try to cope with this pointer being null in some places, for
instance like this:
visit_start_optional(m, obj ? &(*obj)->has_name : NULL, "name", &err);
visit_start_optional() passes its second argument to Visitor method
start_optional. Three out of three methods dereference it
unconditionally.
I fail to see how this pointer could legitimately be null.
All this useless null checking is highly redundant, which Coverity
duly reports. About 200 times.
Remove the useless null checks.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
The scripts carry this copyright notice:
# This work is licensed under the terms of the GNU GPLv2.
# See the COPYING.LIB file in the top-level directory.
The sentences contradict each other, as COPYING.LIB contains the LGPL
2.1. Michael Roth says this was a simple pasto, and he meant to refer
COPYING. Let's fix that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
When QEMU process aborts and socket is closed, qmp client will not
detect it. When this happens, some qemu-iotests scripts will enter an
endless loop waiting for qmp events.
It's better we raise an exception in qmp.py to catch this and make the
test script stop.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
As another convenience to allow using commands that expect a dict as
argument, this patch adds support for foo.bar=value syntax, similar to
command line argument style:
(QEMU) blockdev-add options.driver=file options.id=drive1 options.filename=...
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
* remotes/bonzini/configure:
build: softmmu targets do not have a "main.o" file
configure: Disable libtool if -fPIE does not work with it (bug #1257099)
block: convert block drivers linked with libs to modules
Makefile: introduce common-obj-m and block-obj-m for DSO
Makefile: install modules with "make install"
module: implement module loading
rules.mak: introduce DSO rules
darwin: do not use -mdynamic-no-pic
block: use per-object cflags and libs
rules.mak: allow per object cflags and libs
rules.mak: fix $(obj) to a real relative path
util: Split out exec_dir from os_find_datadir
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging
Tracing pull request
# gpg: Signature made Wed 19 Feb 2014 15:42:20 GMT using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8
* remotes/stefanha/tags/tracing-pull-request:
trace-events: Fix typo in "offset"
Add ust generated files to .gitignore
Update documentation for LTTng ust tracing
Adapt Makefiles to the new LTTng ust interface
Modified the tracetool framework for LTTng 2.x
Fix configure script for LTTng 2.x
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This patch adds loading, stamp checking and initialization of modules.
The init function of dynamic module is no longer directly called as
__attribute__((constructor)) in static linked version, it is called
only after passed the checking of presense of stamp symbol:
qemu_stamp_$RELEASEHASH
where $RELEASEHASH is generated by hashing version strings and content
of configure script.
With this, modules built from a different tree/version/configure will
not be loaded.
The module loading code requires gmodule-2.0.
Modules are searched under
- CONFIG_MODDIR
- executable folder (to allow running qemu-{img,io} in the build
directory)
- ../ of executable folder (to allow running system emulator in the
build directory)
Modules are linked under their subdir respectively, then copied to top
level of build directory for above convinience, e.g.:
$(BUILD_DIR)/block/curl.so -> $(BUILD_DIR)/block-curl.so
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* A new format is required to generate definitions for ust tracepoints.
Files ust_events_h.py and ust_events_c.py define common macros, while
new function ust_events_h in events.py does the actual definition of
each tracepoint.
* ust.py generates the new interface for calling userspace tracepoints
with LTTng 2.x, replacing trace_name(args) to tracepoint(name, args).
* As explained in ust_events_c.py, -Wredundant-decls gives a warning
when compiling with gcc 4.7 or older. This is specific to lttng-ust so
for now use a pragma clause to avoid getting a warning.
Signed-off-by: Mohamad Gebai <mohamad.gebai@polymtl.ca>
Reviewed-by: Alex Bennée <alex@bennee.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
qmp-shell hides the QMP wire protocol JSON encoding from the user. Most
of the time this is helpful and makes the command-line human-friendly.
Some QMP commands take a dict as an argument. In order to express this
we need to revert back to JSON notation.
This patch allows JSON dict arguments in qmp-shell so commands like
blockdev-add and nbd-server-start can be invoked:
(QEMU) blockdev-add options={"driver":"file","id":"drive1",...}
Note that spaces are not allowed since str.split() is used to break up
the command-line arguments first.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Merge remote-tracking branch 'stefanha/tags/tracing-pull-request' into staging
Tracing pull request
# gpg: Signature made Mon 27 Jan 2014 14:51:09 GMT using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8
* stefanha/tags/tracing-pull-request:
trace: fix simple trace "disable" keyword
trace: add glib 2.32+ static GMutex support
trace: [simple] Do not include "trace/simple.h" in generated tracer headers
tracing: start trace processing thread in final child process
Message-id: 1390834386-23139-1-git-send-email-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The trace-events "disable" keyword turns an event into a nop at
compile-time. This is important for high-frequency events that can
impact performance.
The "disable" keyword is currently broken in the simple trace backend.
This patch fixes the problem as follows:
Trace events are identified by their TraceEventID number. When events
are disabled there are two options for assigning TraceEventID numbers:
1. Skip disabled events and don't assign them a number.
2. Assign numbers for all events regardless of the disabled keyword.
The simple trace backend and its binary file format uses approach #1.
The tracetool infrastructure has been using approach #2 for a while.
The result is that the numbers used in simple trace files do not
correspond with TraceEventIDs. In trace/simple.c we assumed that they
are identical and therefore emitted bogus numbers.
This patch fixes the bug by using TraceEventID for trace_event_id()
while sticking to approach #1 for simple trace file numbers. This
preserves simple trace file format compatibility.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The header is not necessary, given that the simple backend does not define any
inlined tracing routines.
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Acpi unit-tests will extract iasl executable
from CONFIG_IASL define.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Using "errno" directly as an identifier results in various syntax
errors; therefore it should be added to the list of polluted words.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
We say we support python 2.4, but python 2.4.3 does not
support the "expr if test else expr" syntax used here.
This allows QEMU to compile on RHEL 5.3, the last release for ia64.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This includes some pretty big changes:
- pci master abort support by Marcel
- pci IRQ API rework by Marcel
- acpi generation support by myself
Everything has gone through several revisions, latest versions have been on
list for a while without any more comments, tested by several
people.
Please pull for 1.7.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
pci, pc, acpi fixes, enhancements
This includes some pretty big changes:
- pci master abort support by Marcel
- pci IRQ API rework by Marcel
- acpi generation support by myself
Everything has gone through several revisions, latest versions have been on
list for a while without any more comments, tested by several
people.
Please pull for 1.7.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Tue 15 Oct 2013 07:33:48 AM CEST using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
* mst/tags/for_anthony: (39 commits)
ssdt-proc: update generated file
ssdt: fix PBLK length
i386: ACPI table generation code from seabios
pc: use new api to add builtin tables
acpi: add interface to access user-installed tables
hpet: add API to find it
pvpanic: add API to access io port
ich9: APIs for pc guest info
piix: APIs for pc guest info
acpi/piix: add macros for acpi property names
i386: define pc guest info
loader: allow adding ROMs in done callbacks
i386: add bios linker/loader
loader: use file path size from fw_cfg.h
acpi: ssdt pcihp: updat generated file
acpi: pre-compiled ASL files
acpi: add rules to compile ASL source
i386: add ACPI table files from seabios
q35: expose mmcfg size as a property
q35: use macro for MCFG property name
...
Message-id: 1381818560-18367-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
Detect presence of IASL compiler and use it
to process ASL source. If not there, use pre-compiled
files in-tree. Add script to update the in-tree files.
Note: distros are known to silently update iasl
so detect correct iasl flags for the installed version on each run as
opposed to at configure time.
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This adds ASL code as well as scripts for processing it,
imported from seabios git tree
commit 51684b7ced75fb76776e8ee84833fcfb6ecf12dd
Will be used for runtime acpi table generation.
Note:
This patch reuses some code from SeaBIOS, which was originally under
LGPLv2 and then relicensed to GPLv3 or LGPLv3, in QEMU under GPLv2+. This
relicensing has been acked by all contributors that had contributed to the
code since the v2->v3 relicense. ACKs approving the v2+ relicensing are
listed below. The list might include ACKs from people not holding
copyright on any parts of the reused code, but it's better to err on the
side of caution and include them.
Affected SeaBIOS files (GPLv2+ license headers added)
<http://thread.gmane.org/gmane.comp.bios.coreboot.seabios/5949>:
src/acpi-dsdt-cpu-hotplug.dsl
src/acpi-dsdt-dbug.dsl
src/acpi-dsdt-hpet.dsl
src/acpi-dsdt-isa.dsl
src/acpi-dsdt-pci-crs.dsl
src/acpi.c
src/acpi.h
src/ssdt-misc.dsl
src/ssdt-pcihp.dsl
src/ssdt-proc.dsl
tools/acpi_extract.py
tools/acpi_extract_preprocess.py
Each one of the listed people agreed to the following:
> If you allow the use of your contribution in QEMU under the
> terms of GPLv2 or later as proposed by this patch,
> please respond to this mail including the line:
>
> Acked-by: Name <email address>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Jan Kiszka <jan.kiszka@siemens.com>
Acked-by: Jason Baron <jbaron@akamai.com>
Acked-by: David Woodhouse <David.Woodhouse@intel.com>
Acked-by: Gleb Natapov <gleb@redhat.com>
Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
Acked-by: Dave Frodin <dave.frodin@se-eng.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Kevin O'Connor <kevin@koconnor.net>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Acked-by: Isaku Yamahata <yamahata@valinux.co.jp>
Acked-by: Magnus Christensson <magnus.christensson@intel.com>
Acked-by: Hu Tao <hutao@cn.fujitsu.com>
Acked-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Tested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
qemu.org is held by a third-party and no core community contributor has
access to the DNS configuration. This leaves the website exposed to
outages due to DNS issues or IP address changes. For example, if the
web server IP address needs to change we cannot guarantee qemu.org will
point to it!
The newer qemu-project.org domain name is owned by Anthony Liguori
<anthony@codemonkey.ws>. You can confirm this by querying the whois
information. Also note that the #qemu IRC channel topic already
references qemu-project.org.
Short of having a dedicated legal entity to hold the domain name on
behalf of the community, qemu-project.org seems like the safest bet.
Let's replace references to qemu.org with qemu-project.org.
Note that git-submodule(1) does not detect URL changes. The following
commands clear out and re-initialize all submodules to ensure you are
using the latest URLs:
$ git submodule deinit . # you'll be warned if you have local changes
$ rm -rf .git/modules # also clear cached .git/ directories
$ git submodule update --init
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1381495958-8306-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
This introduces a new 'base' key for struct definitions that refers to
another struct type. On the JSON level, the fields of the base type are
included directly into the same namespace as the fields of the defined
type, like with unions. On the C level, a pointer to a struct of the
base type is included.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Populate it with all scripts stored in QMP/. Also fixes trailing
whitespaces in qmp-shell and qmp.py.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Unlike other list types, enum wasn't adding any padding, which caused
a mismatch between the generated struct size and GenericList struct
size. More details in a678e26cbe
This crashed qemu if calling qmp query-tpm-types for example, which
upsets libvirt capabilities probing. Reproducer on i686:
(sleep 5; printf '{"execute":"qmp_capabilities"}\n{"execute":"query-tpm-types"}\n') | ./i386-softmmu/qemu-system-i386 -S -nodefaults -nographic -M none -qmp stdio
https://bugs.launchpad.net/qemu/+bug/1219207
Cc: qemu-stable@nongnu.org
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
VSS SDK(*) setup.exe is only runnable on Windows. This adds a script
to extract VSS SDK headers on POSIX-systems using msitools.
* http://www.microsoft.com/en-us/download/details.aspx?id=23490
From: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Enable checkpatch.pl to apply the same checks as C source files for
C++ files with .cpp extensions. It also adds some exceptions for C++
sources to suppress errors for:
- <> used in C++ template arguments (e.g. template <class T>)
- :: used to represent namespaces (e.g. SomeClass::method())
- : used in class declaration (e.g. class T : public Super)
- ~ used in destructor method name (e.g. T::~T())
- spacing around 'catch' (e.g. catch (...))
Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Add c++ keywords to avoid errors in compiling with c++ compiler.
This also renames class member of PciDeviceInfo to q_class.
Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
# By Alex Bligh (32) and others
# Via Stefan Hajnoczi
* stefanha/block: (42 commits)
win32-aio: drop win32_aio_flush_cb()
aio-win32: replace incorrect AioHandler->opaque usage with ->e
aio / timers: remove dummy_io_handler_flush from tests/test-aio.c
aio / timers: Remove legacy interface
aio / timers: Switch entire codebase to the new timer API
aio / timers: Add scripts/switch-timer-api
aio / timers: Add test harness for AioContext timers
aio / timers: convert block_job_sleep_ns and co_sleep_ns to new API
aio / timers: Convert rtc_clock to be a QEMUClockType
aio / timers: Remove main_loop_timerlist
aio / timers: Rearrange timer.h & make legacy functions call non-legacy
aio / timers: Add qemu_clock_get_ms and qemu_clock_get_ms
aio / timers: Remove legacy qemu_clock_deadline & qemu_timerlist_deadline
aio / timers: Remove alarm timers
aio / timers: Add documentation and new format calls
aio / timers: Use all timerlists in icount warp calculations
aio / timers: Introduce new API timer_new and friends
aio / timers: On timer modification, qemu_notify or aio_notify
aio / timers: Convert mainloop to use timeout
aio / timers: Convert aio_poll to use AioContext timers' deadline
...
Message-id: 1377202298-22896-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
This gives the dumped blob its correct address during disassembly,
which makes pc-relative insns much easier to interpret.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
The script massages the output produced for architectures that are
not supported internally by qemu though an external objdump program
for disassembly.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Add scripts/switch-timer-api to programatically rewrite source
files to use the new timer system.
Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>