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* stefanha/net:
net: add the support for -netdev socket, listen
net: fix the coding style
hub: add the support for hub own flow control
net: determine if packets can be sent before net queue deliver packets
net: cleanup deliver/deliver_iov func pointers
net: Make "info network" output more readable info
net: Rename qemu_del_vlan_client() to qemu_del_net_client()
net: Rename vc local variables to nc
net: Rename VLANClientState to NetClientState
net: Rename non_vlan_clients to net_clients
net: Remove VLANState
net: Remove vlan code from net.c
net: Convert qdev_prop_vlan to peer with hub
net: Drop vlan argument to qemu_new_net_client()
hub: Check that hubs are configured correctly
net: Look up 'vlan' net clients using hubs
net: Use hubs for the vlan feature
net: Add a hub net client
net: Add interface to bridge when SIOCBRADDIF isn't available
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For command line options which permit '?' meaning 'please list the
permitted values', add support for 'help' as a synonym, by abstracting
the check out into a helper function.
This change means that in some cases where we were being lazy in
our string parsing, "?junk" will now be rejected as an invalid option
rather than being (undocumentedly) treated the same way as "?".
Update the documentation to use 'help' rather than '?', since '?'
is a shell metacharacter and thus prone to fail confusingly if there
is a single character filename in the current working directory and
the '?' has not been escaped. It's therefore better to steer users
towards 'help', though '?' is retained for backwards compatibility.
We do not, however, update the output of the system emulator's -help
(or any documentation autogenerated from the qemu-options.hx which
is the source of the -help text) because libvirt parses our -help
output and will break. At a later date when QEMU provides a better
interface so libvirt can avoid having to do this, we can update the
-help text too.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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The vlan feature is no longer part of net core. Rename VLANClientState
to NetClientState because net clients are not explicitly associated with
a vlan at all, instead they have a peer net client to which they are
connected.
This patch is a mechanical search-and-replace except for a few
whitespace fixups where changing VLANClientState to NetClientState
misaligned whitespace.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
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VLANState is no longer used and can be removed.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
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Signed-off-by: Yan Vugenfirer <yan@ravellosystems.com>
Signed-off-by: Dmitry Fleytman <dmitry.fleytman@ravellosystems.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Commit 946fb27c1 moved all the uses of all_cpu_threads_idle()
into cpus.c. This means we can mark the function 'static'
(again), if we shuffle it a bit earlier in the source file.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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* mjt/mjt-iov2:
rewrite iov_send_recv() and move it to iov.c
cleanup qemu_co_sendv(), qemu_co_recvv() and friends
export iov_send_recv() and use it in iov_send() and iov_recv()
rename qemu_sendv to iov_send, change proto and move declarations to iov.h
change qemu_iovec_to_buf() to match other to,from_buf functions
consolidate qemu_iovec_copy() and qemu_iovec_concat() and make them consistent
allow qemu_iovec_from_buffer() to specify offset from which to start copying
consolidate qemu_iovec_memset{,_skip}() into single function and use existing iov_memset()
rewrite iov_* functions
change iov_* function prototypes to be more appropriate
virtio-serial-bus: use correct lengths in control_out() message
Conflicts:
tests/Makefile
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
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This new property will be used to specify a host pci device address.
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The same as for non-coroutine versions in previous
patches: rename arguments to be more obvious, change
type of arguments from int to size_t where appropriate,
and use common code for send and receive paths (with
one extra argument) since these are exactly the same.
Use common iov_send_recv() directly.
qemu_co_sendv(), qemu_co_recvv(), and qemu_co_recv()
are now trivial #define's merely adding one extra arg.
qemu_co_sendv() and qemu_co_recvv() callers are
converted to different argument order and extra
`iov_cnt' argument.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Rename arguments and use size_t for sizes instead of int,
from
int
qemu_sendv(int sockfd, struct iovec *iov,
int len, int iov_offset)
to
ssize_t
iov_send(int sockfd, struct iovec *iov,
size_t offset, size_t bytes)
The main motivation was to make it clear that length
and offset are in _bytes_, not in iov elements: it was
very confusing before, because all standard functions
which deals with iovecs expects number of iovs, not
bytes, even the fact that struct iovec has iov_len and
iov_ prefix does not help. With "bytes" and "offset",
especially since they're now size_t, it is much more
explicit. Also change the return type to be ssize_t
instead of int.
This also changes it to match other iov-related functons,
but not _quite_: there's still no argument indicating
where iovec ends, ie, no iov_cnt parameter as used
in iov_size() and friends. If will be added in subsequent
patch/rewrite.
All callers of qemu_sendv() and qemu_recvv() and
related, like qemu_co_sendv() and qemu_co_recvv(),
were checked to verify that it is safe to use unsigned
datatype instead of int.
Note that the order of arguments is changed to: offset
and bytes (len and iov_offset) are swapped with each
other. This is to make them consistent with very similar
functions from qemu_iovec family, where offset always
follows qiov, to mean the place in it to start from.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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It now allows specifying offset within qiov to start from and
amount of bytes to copy. Actual implementation is just a call
to iov_to_buf().
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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qemu_iovec_concat() is currently a wrapper for
qemu_iovec_copy(), use the former (with extra
"0" arg) in a few places where it is used.
Change skip argument of qemu_iovec_copy() from
uint64_t to size_t, since size of qiov itself
is size_t, so there's no way to skip larger
sizes. Rename it to soffset, to make it clear
that the offset is applied to src.
Also change the only usage of uint64_t in
hw/9pfs/virtio-9p.c, in v9fs_init_qiov_from_pdu() -
all callers of it actually uses size_t too,
not uint64_t.
One added restriction: as for all other iovec-related
functions, soffset must point inside src.
Order of argumens is already good:
qemu_iovec_memset(QEMUIOVector *qiov, size_t offset,
int c, size_t bytes)
vs:
qemu_iovec_concat(QEMUIOVector *dst,
QEMUIOVector *src,
size_t soffset, size_t sbytes)
(note soffset is after _src_ not dst, since it applies to src;
for memset it applies to qiov).
Note that in many places where this function is used,
the previous call is qemu_iovec_reset(), which means
many callers actually want copy (replacing dst content),
not concat. So we may want to add a wrapper like
qemu_iovec_copy() with the same arguments but which
calls qemu_iovec_reset() before _concat().
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Similar to
qemu_iovec_memset(QEMUIOVector *qiov, size_t offset,
int c, size_t bytes);
the new prototype is:
qemu_iovec_from_buf(QEMUIOVector *qiov, size_t offset,
const void *buf, size_t bytes);
The processing starts at offset bytes within qiov.
This way, we may copy a bounce buffer directly to
a middle of qiov.
This is exactly the same function as iov_from_buf() from
iov.c, so use the existing implementation and rename it
to qemu_iovec_from_buf() to be shorter and to match the
utility function.
As with utility implementation, we now assert that the
offset is inside actual iovec. Nothing changed for
current callers, because `offset' parameter is new.
While at it, stop using "bounce-qiov" in block/qcow2.c
and copy decrypted data directly from cluster_data
instead of recreating a temp qiov for doing that.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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existing iov_memset()
This patch combines two functions into one, and replaces
the implementation with already existing iov_memset() from
iov.c.
The new prototype of qemu_iovec_memset():
size_t qemu_iovec_memset(qiov, size_t offset, int fillc, size_t bytes)
It is different from former qemu_iovec_memset_skip(), and
I want to make other functions to be consistent with it
too: first how much to skip, second what, and 3rd how many
of it. It also returns actual number of bytes filled in,
which may be less than the requested `bytes' if qiov is
smaller than offset+bytes, in the same way iov_memset()
does.
While at it, use utility function iov_memset() from
iov.h in posix-aio-compat.c, where qiov was used.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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* qemu-kvm/uq/master:
virtio/vhost: Add support for KVM in-kernel MSI injection
msix: Add msix_nr_vectors_allocated
kvm: Enable use of kvm_irqchip_in_kernel in hwlib code
kvm: Introduce kvm_irqchip_add/remove_irqfd
kvm: Make kvm_irqchip_commit_routes an internal service
kvm: Publicize kvm_irqchip_release_virq
kvm: Introduce kvm_irqchip_add_msi_route
kvm: Rename kvm_irqchip_add_route to kvm_irqchip_add_irq_route
msix: Introduce vector notifiers
msix: Invoke msix_handle_mask_update on msix_mask_all
msix: Factor out msix_get_message
kvm: update vmxcap for EPT A/D, INVPCID, RDRAND, VMFUNC
kvm: Enable in-kernel irqchip support by default
kvm: Add support for direct MSI injections
kvm: Update kernel headers
kvm: x86: Wire up MSI support for in-kernel irqchip
pc: Enable MSI support at APIC level
kvm: Introduce basic MSI support for in-kernel irqchips
Introduce MSIMessage structure
kvm: Refactor KVMState::max_gsi to gsi_count
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Will be used for generating and distributing MSI messages, both in
emulation mode and under KVM.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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This is needed in particular on Win32.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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* commit 'ff71f2e8cacefae99179993204172bc65e4303df': (21 commits)
rtl8139: do the network/host communication only in normal operating mode
rtl8139: correctly check the opmode
net: move compute_mcast_idx() to net.h
rtl8139: support byte read to TxStatus registers
rtl8139: remove unused marco
rtl8139: limit transmission buffer size in c+ mode
pci_regs: Add PCI_EXP_TYPE_PCIE_BRIDGE
virtio-net: add DATA_VALID flag
pci_bridge: upper 32 bit are long registers
pci: fix bridge IO/BASE
pcie: drop functionality moved to core
pci: set memory type for memory behind the bridge
pci: add standard bridge device
slotid: add slot id capability
shpc: standard hot plug controller
pci_bridge: user-friendly default bus name
pci: make another unused extern function static
pci: don't export an internal function
pci_regs: Fix value of PCI_EXP_TYPE_RC_EC.
pci: Do not check if a bus exist in pci_parse_devaddr.
...
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This also includes a qtest wrapper script to make it easier to launch qtest
tests directly.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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There are no users of i2c_slave.
Signed-off-by: Joshua Housh <joshua.housh@calxeda.com>
Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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This adds support for SHPC interface, as defined by PCI Standard
Hot-Plug Controller and Subsystem Specification, Rev 1.0
http://www.pcisig.com/specifications/conventional/pci_hot_plug/SHPC_10
Only SHPC intergrated with a PCI-to-PCI bridge is supported,
SHPC integrated with a host bridge would need more work.
All main SHPC features are supported:
- MRL sensor
- Attention button
- Attention indicator
- Power indicator
Wake on hotplug and serr generation are stubbed out but unused
as we don't have interfaces to generate these events ATM.
One issue that isn't completely resolved is that qemu currently
expects an "eject" interface, which SHPC does not provide: it merely
removes the power to device and it's up to the user to remove the device
from slot. This patch works around that by ejecting the device
when power is removed and power LED goes off.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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MinGW-w64 already defines lseek and ftruncate (and uses the 64 bit
variants). The conditional compilation avoids redefinitions
(which would be wrong) and compiler warnings.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Like the related macro TCG_TARGET_LONG, HOST_LONG_BITS can be determined
by the C preprocessor. It is also not used in Makefiles.
So there is no need to calculate it in configure, and it can be defined
in qemu-common.h.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
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The qemu-img.c:is_not_zero() function checks if a buffer contains all
zeroes. This function will come in handy for zero-detection in the
block layer, so clean it up and move it to cutils.c.
Note that the function now returns true if the buffer is all zeroes.
This avoids the double-negatives (i.e. !is_not_zero()) that the old
function can cause in callers.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Also generalize the code so that we can have more enum properties
in the future.
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Potentially tick-generating timer devices will gain a common property:
lock_tick_policy. It allows to encode 4 different ways how to deal with
tick events the guest did not process in time:
discard - ignore lost ticks (e.g. if the guest compensates for them
already)
delay - replay all lost ticks in a row once the guest accepts them
again
merge - if multiple ticks are lost, all of them are merged into one
which is replayed once the guest accepts it again
slew - lost ticks are gradually replayed at a higher frequency than
the original tick
Not all timer device will need to support all modes. However, all need
to accept the configuration via this common property.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Outside coroutines, avoid busy waiting on EAGAIN by temporarily
making the socket blocking.
The API of qemu_recvv/qemu_sendv is slightly different from
do_readv/do_writev because they do not handle coroutines. It
returns the number of bytes written before encountering an
EAGAIN. The specificity of yielding on EAGAIN is entirely in
qemu-coroutine.c.
Reviewed-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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functions
NULL is a valid bus/device, so there is no change in behaviour.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Add macros for aligning a number to a multiple, for example:
QEMU_ALIGN_DOWN(500, 2000) = 0
QEMU_ALIGN_UP(500, 2000) = 2000
Since ALIGN_UP() is a common macro name use the QEMU_* namespace prefix.
Hopefully this will protect us from included headers that leak something
with a similar name.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Move the parsing of a filedescriptor into a common function
qemu_parse_fd() so others can use it as well. Have net.c call this
function.
v2:
- moving qemu_parse_fd into cutils.c
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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None of this is needed by tools, and most of it can even be made static
inside cpus.c.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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qemu_service_io was mainly an alias to qemu_notify_event,
currently used only by PPC for timer hack, so call
qemu_notify_event directly.
Signed-off-by: Frediano Ziglio <freddy77@gmail.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Do not allocate TCG-only resources like the translation buffer when
running over KVM or XEN. Saves a "few" bytes in the qemu address space
and is also conceptually cleaner.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This function does the same as the strtosz_suffix function
except that it allows to specify the unit to which the
k/M/B/T suffixes apply. This function will be used later to
parse the tsc-frequency from the command-line.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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Move the QEMUSGList typedef to qemu-common so it can easily be used.
The actual struct definition stays in dma.h.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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The purpose of AsyncContexts was to protect qcow and qcow2 against reentrancy
during an emulated bdrv_read/write (which includes a qemu_aio_wait() call and
can run AIO callbacks of different requests if it weren't for AsyncContexts).
Now both qcow and qcow2 are protected by CoMutexes and AsyncContexts can be
removed.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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This is not a CPU interface, and a configure test would not be too
precise. So just add it to qemu-common.h.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Avoid warnings like these by wrapping recv():
CC slirp/ip_icmp.o
/src/qemu/slirp/ip_icmp.c: In function 'icmp_receive':
/src/qemu/slirp/ip_icmp.c:418:5: error: passing argument 2 of 'recv' from incompatible pointer type [-Werror]
/usr/local/lib/gcc/i686-mingw32msvc/4.6.0/../../../../i686-mingw32msvc/include/winsock2.h:547:32: note: expected 'char *' but argument is of type 'struct icmp *'
Remove also casts used to avoid warnings.
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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This moves compiler related macros from qemu-common.h to compiler.h.
The reason for this change is that there are simple header files that
depend only on the compiler macros, so including qemu-common.h is overkill.
Besides, qemu-common.h is bloated and will benefit from some splitting.
Please, also note that the QEMU_BUILD_BUG_ON() macro is being fixed to
not use double underscores as a prefix and the license text was added
by Vassili Karpov (malc), who is one of the authors of the new file.
Signed-off-by: Luiz Capitulino <lcapitulino@gmail.com>
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Some versions of png.h cannot be included after setjmp.h,
even when PNG_SKIP_SETJMP_CHECK was defined.
setjmp.h was included from qemu-common.h and is not needed there.
Removing the include statement fixes compilation of ui/vnc-enc-tight.c
with CONFIG_VNC_PNG defined.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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The PRI*64 macros are defined in MinGW's inttypes.h since 2002,
so they are not needed in qemu-common.h (which includes inttypes.h).
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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