Commit Graph

52558 Commits

Author SHA1 Message Date
Markus Armbruster eb87203b64 rbd: Reject -blockdev server.*.{numeric, to, ipv4, ipv6}
We use InetSocketAddress in the QAPI schema.  However, the code
doesn't use inet_connect_saddr(), but formats "host" and "port" into a
configuration string for rados_conf_set().  Thus, members "numeric",
"to", "ipv4" and "ipv6" are silently ignored.  Not nice.  Example:

    -blockdev rbd,node-name=nn,pool=p,image=i,server.0.host=h0,server.0.port=12345,server.0.ipv4=off

Factor a suitable InetSocketAddressBase out of InetSocketAddress, and
use that.  "numeric", "to", "ipv4" and "ipv6" are now rejected.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Message-id: 1490691368-32099-2-git-send-email-armbru@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
2017-03-28 09:53:16 -04:00
Peter Maydell 4d2bee82f4 Block patches for 2017-03-28
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Merge remote-tracking branch 'remotes/armbru/tags/pull-block-2017-03-28' into staging

Block patches for 2017-03-28

# gpg: Signature made Tue 28 Mar 2017 14:41:37 BST
# gpg:                using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-block-2017-03-28:
  block: Declare blockdev-add and blockdev-del supported

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-28 14:48:07 +01:00
Markus Armbruster 79b7a77eda block: Declare blockdev-add and blockdev-del supported
It's been a long journey, but here we are.

The supported blockdev-add is not compatible to its experimental
predecessors; bump all Since: tags to 2.9.

x-blockdev-remove-medium, x-blockdev-insert-medium and
x-blockdev-change need a bit more work, so leave them alone for now.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2017-03-28 15:23:23 +02:00
Peter Maydell 0491c22154 MTTCG regression fixes for rc2
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-mttcg-fixups-for-rc2-280317-1' into staging

MTTCG regression fixes for rc2

# gpg: Signature made Tue 28 Mar 2017 10:54:38 BST
# gpg:                using RSA key 0xFBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>"
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-mttcg-fixups-for-rc2-280317-1:
  replay/replay.c: bump REPLAY_VERSION
  tcg: Add a new line after incompatibility warning
  ui/console: use exclusive mechanism directly
  ui/console: ensure do_safe_dpy_refresh holds BQL
  bsd-user: align use of mmap_lock to that of linux-user
  user-exec: handle synchronous signals from QEMU gracefully

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-28 12:34:23 +01:00
Peter Maydell 142b9ca51d -----BEGIN PGP SIGNATURE-----
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

# gpg: Signature made Tue 28 Mar 2017 11:07:02 BST
# gpg:                using RSA key 0x9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/block-pull-request:
  parallels: wrong call to bdrv_truncate

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-28 11:10:36 +01:00
Stefan Hajnoczi 7609ffb919 trace: fix tcg tracing build breakage
Commit 0ab8ed18a6 ("trace: switch to
modular code generation for sub-directories") forgot to convert "tcg"
trace events to the modular code generation approach where each
sub-directory has its own trace-events file.

This patch fixes compilation for "tcg" trace events.  Currently they are
only used in the root ./trace-events file.

"tcg" trace events can only be used in the root ./trace-events file for
the time being.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20170327131718.18268-1-stefanha@redhat.com
Suggested-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-03-28 11:07:46 +01:00
Denis V. Lunev dc62da88b5 parallels: wrong call to bdrv_truncate
Parallels driver should not call bdrv_truncate if the image was opened
in the read-only mode. Without the patch
    qemu-img check harddisk.hds
asserts with
    bdrv_truncate: Assertion `child->perm & BLK_PERM_RESIZE' failed.

Parameters used on the write path are not needed if the image is opened
in the read-only mode.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Reported-by: Edgar Kaziahmedov <edos@virtuozzo.mipt.ru>
Message-id: 1490625488-7980-1-git-send-email-den@openvz.org
CC: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-03-28 11:06:00 +01:00
Alex Bennée 5b12c163c8 replay/replay.c: bump REPLAY_VERSION
A previous commit (3d4d16f4) added support for audio record/playback.
However this breaks the logfile ABI due to the re-ordering of the
ReplayEvents enum. The REPLAY_VERSION check is meant to prevent you
from using old log files in newer QEMUs but this is currently broken.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2017-03-28 10:52:50 +01:00
Pranith Kumar 8cfef89271 tcg: Add a new line after incompatibility warning
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2017-03-28 10:52:50 +01:00
Alex Bennée 0096109052 ui/console: use exclusive mechanism directly
The previous commit (8bb93c6f99) using async_safe_run_on_cpu() doesn't
work on graphics sub-system which restrict which threads can do GUI
updates. Rather the special casing MacOS we just directly call the
helper and move all the exclusive handling into do_dafe_dpy_refresh().

The unfortunate bouncing of the BQL is to ensure there is no deadlock
as vCPUs waiting on the BQL are kicked into their quiescent state.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
2017-03-28 10:52:45 +01:00
Alex Bennée 8539093919 ui/console: ensure do_safe_dpy_refresh holds BQL
I missed the fact that when an exclusive work item runs it drops the
BQL to ensure all no vCPUs are stuck waiting for it, hence causing a
deadlock. However the actual helper needs to take the BQL especially
as we'll be messing with device emulation bits during the update which
all assume BQL is held.

We make a minor cpu_reloading_memory_map which must try and unlock the
RCU if we are actually outside the running context.

Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
2017-03-28 10:52:24 +01:00
Alex Bennée 95992b674c bsd-user: align use of mmap_lock to that of linux-user
The introduction of stricter mmap_lock checking in translate-all broke
the BSD user build. The working mmap_lock functions were hidden behind
CONFIG_USE_NPTL which is never defined. This patch brings them inline
with linux-user.

Despite the disapearence of the comment "We aren't threadsafe to start
with..." this doesn't make bsd-user so. It will still need the rest of
the fixes that have been done in linux-user ported over.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2017-03-28 10:50:40 +01:00
Alex Bennée 02bed6bd5f user-exec: handle synchronous signals from QEMU gracefully
When "tcg: enable thread-per-vCPU" (commit 3725794) was merged the
lifetime of current_cpu was changed. Previously a broken linux-user
call might abort() which can eventually escalate into a SIGSEGV which
would then crash qemu as it attempted to deref a NULL current_cpu.
After commit 3725794 it would attempt to fixup state and re-start the
run-loop and much hilarity (i.e. a looping lockup) would ensue from
jumping into a stale jmp_env.

As we can actually tell if we are in the run-loop from looking at the
cpu->running flag we should catch this badness first and abort()
cleanly rather than try to soldier on. There is a theoretical race
between the flag being set and sigsetjmp refreshing the jump buffer
but we can try really hard to not introduce crashes into that code.

[LV: setgroups03 fails on powerpc LTP]
Reported-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
2017-03-28 10:50:35 +01:00
Peter Maydell 8c9ee217f0 This series fixes potential memory/fd leaks in 9pfs and a crash when
running tests/virtio-9p-test on SPARC hosts.
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Merge remote-tracking branch 'remotes/gkurz/tags/for-upstream' into staging

This series fixes potential memory/fd leaks in 9pfs and a crash when
running tests/virtio-9p-test on SPARC hosts.

# gpg: Signature made Tue 28 Mar 2017 09:44:05 BST
# gpg:                using DSA key 0x02FC3AEB0101DBC2
# gpg: Good signature from "Greg Kurz <groug@kaod.org>"
# gpg:                 aka "Greg Kurz <groug@free.fr>"
# gpg:                 aka "Greg Kurz <gkurz@linux.vnet.ibm.com>"
# gpg:                 aka "Gregory Kurz (Groug) <groug@free.fr>"
# gpg:                 aka "[jpeg image of size 3330]"
# 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: 2BD4 3B44 535E C0A7 9894  DBA2 02FC 3AEB 0101 DBC2

* remotes/gkurz/tags/for-upstream:
  tests/virtio-9p-test: Don't call le*_to_cpus on fields of packed struct
  9pfs: fix file descriptor leak

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-28 09:48:23 +01:00
Peter Maydell 34ef723ce3 tests/virtio-9p-test: Don't call le*_to_cpus on fields of packed struct
For a packed struct like 'P9Hdr' the fields within it may not be
aligned as much as the natural alignment for their types.  This means
it is not valid to pass the address of such a field to a function
like le32_to_cpus() which operate on uint32_t* and assume alignment.
Doing this results in a SIGBUS on hosts like SPARC which have strict
alignment requirements.

Use ldl_le_p() instead, which is specified to correctly handle
unaligned pointers.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Greg Kurz <groug@kaod.org>
2017-03-27 21:15:31 +02:00
Li Qiang d63fb193e7 9pfs: fix file descriptor leak
The v9fs_create() and v9fs_lcreate() functions are used to create a file
on the backend and to associate it to a fid. The fid shouldn't be already
in-use, otherwise both functions may silently leak a file descriptor or
allocated memory. The current code doesn't check that.

This patch ensures that the fid isn't already associated to anything
before using it.

Signed-off-by: Li Qiang <liqiang6-s@360.cn>
(reworded the changelog, Greg Kurz)
Signed-off-by: Greg Kurz <groug@kaod.org>
2017-03-27 21:13:19 +02:00
Peter Maydell eb06c9e2d3 * MTTCG fix for win32
* virtio-scsi assertion failure
 * mem-prealloc coverity fix
 * x86 migration revert which requires more thought
 * x86 instruction limit (avoids >2 page translation blocks)
 * nbd dead code cleanup
 * small memory.c logic fix
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* MTTCG fix for win32
* virtio-scsi assertion failure
* mem-prealloc coverity fix
* x86 migration revert which requires more thought
* x86 instruction limit (avoids >2 page translation blocks)
* nbd dead code cleanup
* small memory.c logic fix

# gpg: Signature made Mon 27 Mar 2017 17:03:04 BST
# gpg:                using RSA key 0xBFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# 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:
  scsi-generic: Fill in opt_xfer_len in INQUIRY reply if it is zero
  Revert "apic: save apic_delivered flag"
  nbd: drop unused NBDClientSession.is_unix field
  win32: replace custom mutex and condition variable with native primitives
  mem-prealloc: fix sysconf(_SC_NPROCESSORS_ONLN) failure case.
  tcg/i386: Check the size of instruction being translated
  virtio-scsi: Fix acquire/release in dataplane handlers
  virtio-scsi: Make virtio_scsi_acquire/release public
  clear pending status before calling memory commit

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-27 17:34:50 +01:00
Peter Maydell 9366f53d50 Block patches for 2.9-rc2.
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Merge remote-tracking branch 'remotes/maxreitz/tags/pull-block-2017-03-27' into staging

Block patches for 2.9-rc2.

# gpg: Signature made Mon 27 Mar 2017 16:47:54 BST
# gpg:                using RSA key 0xF407DB0061D5CF40
# gpg: Good signature from "Max Reitz <mreitz@redhat.com>"
# Primary key fingerprint: 91BE B60A 30DB 3E88 57D1  1829 F407 DB00 61D5 CF40

* remotes/maxreitz/tags/pull-block-2017-03-27:
  block/file-posix.c: Fix unused variable warning on OpenBSD
  file-posix: Make bdrv_flush() failure permanent without O_DIRECT
  nbd-client: fix handling of hungup connections
  qemu-img: print short help on getopt failure
  qemu-img: fix switch indentation in img_amend()
  qemu-img: show help for invalid global options

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-27 16:56:31 +01:00
Peter Maydell 700f9ce0f9 block/file-posix.c: Fix unused variable warning on OpenBSD
On OpenBSD none of the ioctls probe_logical_blocksize() tries
exist, so the variable sector_size is unused. Refactor the
code to avoid this (and reduce the duplicated code).

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Message-id: 1490279788-12995-1-git-send-email-peter.maydell@linaro.org
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-03-27 17:28:34 +02:00
Peter Maydell a001631cb8 fixes for 2.9: vga, egl, cirrus, virtio-input.
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 Version: GnuPG v2.0.22 (GNU/Linux)
 
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Merge remote-tracking branch 'remotes/kraxel/tags/pull-fixes-20170327-1' into staging

fixes for 2.9: vga, egl, cirrus, virtio-input.

# gpg: Signature made Mon 27 Mar 2017 14:19:45 BST
# gpg:                using RSA key 0x4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/pull-fixes-20170327-1:
  vnc: fix reverse mode
  ui/egl-helpers: fix egl 1.5 display init
  cirrus: fix PUTPIXEL macro
  virtio-input: fix eventq batching
  virtio-input: free event queue when finalizing

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-27 16:15:29 +01:00
Fam Zheng bed58b4443 scsi-generic: Fill in opt_xfer_len in INQUIRY reply if it is zero
When opt_xfer_len is zero, Linux ignores max_xfer_len erroneously.

While that obviously should be fixed, we do older guests a favor to
always filling in a value.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170327142625.1249-1-famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-03-27 17:02:07 +02:00
Kevin Wolf e5bcf967fb file-posix: Make bdrv_flush() failure permanent without O_DIRECT
Success for bdrv_flush() means that all previously written data is safe
on disk. For fdatasync(), the best semantics we can hope for on Linux
(without O_DIRECT) is that all data that was written since the last call
was successfully written back. Therefore, and because we can't redo all
writes after a flush failure, we have to give up after a single
fdatasync() failure. After this failure, we would never be able to make
the promise that a successful bdrv_flush() makes.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-id: 20170322210005.16533-1-kwolf@redhat.com
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-03-27 16:53:42 +02:00
Paolo Bonzini a12a712a7d nbd-client: fix handling of hungup connections
After the switch to reading replies in a coroutine, nothing is
reentering pending receive coroutines if the connection hangs.
Move nbd_recv_coroutines_enter_all to the reply read coroutine,
which is the place where hangups are detected.  nbd_teardown_connection
can simply wait for the reply read coroutine to detect the hangup
and clean up after itself.

This wouldn't be enough though because nbd_receive_reply returns 0
(rather than -EPIPE or similar) when reading from a hung connection.
Fix the return value check in nbd_read_reply_entry.

This fixes qemu-iotests 083.

Reported-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20170314111157.14464-1-pbonzini@redhat.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-03-27 16:50:36 +02:00
Stefan Hajnoczi c919297379 qemu-img: print short help on getopt failure
Printing the full help output obscures the error message for an invalid
command-line option or missing argument.

Before this patch:

  $ ./qemu-img --foo
  ...pages of output...

After this patch:

  $ ./qemu-img --foo
  qemu-img: unrecognized option '--foo'
  Try 'qemu-img --help' for more information

This patch adds the getopt ':' character so that it can distinguish
between missing arguments and unrecognized options.  This helps provide
more detailed error messages.

Suggested-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20170317104541.28979-4-stefanha@redhat.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-03-27 16:50:36 +02:00
Stefan Hajnoczi f7077624b0 qemu-img: fix switch indentation in img_amend()
QEMU coding style indents 'case' to the same level as the 'switch'
statement:

  switch (foo) {
  case 1:

Fix this coding style violation so checkpatch.pl doesn't complain about
the next patch.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20170317104541.28979-3-stefanha@redhat.com
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-03-27 16:50:36 +02:00
Stefan Hajnoczi 4581c16fce qemu-img: show help for invalid global options
The qemu-img sub-command executes regardless of invalid global options:

  $ qemu-img --foo info test.img
  qemu-img: unrecognized option '--foo'
  image: test.img
  ...

The unrecognized option warning may be missed by the user.  This can
hide incorrect command-lines in scripts and confuse users.

This patch prints the help information and terminates instead of
executing the sub-command.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20170317104541.28979-2-stefanha@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2017-03-27 16:50:36 +02:00
Paolo Bonzini 5354edd286 Revert "apic: save apic_delivered flag"
This reverts commit 07bfa35477.
The global variable is only read as part of a

            apic_reset_irq_delivered();
            qemu_irq_raise(s->irq);
            if (!apic_get_irq_delivered()) {

sequence, so the value never matters at migration time.

Reported-by: Dr. David Alan Gilbert <dglibert@redhat.com>
Cc: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-03-27 14:41:01 +02:00
Stefan Hajnoczi e4548bb640 nbd: drop unused NBDClientSession.is_unix field
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20170327123223.1199-1-stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-03-27 14:41:01 +02:00
Andrey Shedel 12f8def0e0 win32: replace custom mutex and condition variable with native primitives
The multithreaded TCG implementation exposed deadlocks in the win32
condition variables: as implemented, qemu_cond_broadcast waited on
receivers, whereas the pthreads API it was intended to emulate does
not. This was causing a deadlock because broadcast was called while
holding the IO lock, as well as all possible waiters blocked on the
same lock.

This patch replaces all the custom synchronisation code for mutexes
and condition variables with native Windows primitives (SRWlocks and
condition variables) with the same semantics as their POSIX
equivalents. To enable that, it requires a Windows Vista or newer host
OS.

Signed-off-by: Andrey Shedel <ashedel@microsoft.com>
[AB: edited commit message]
Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com>
Message-Id: <20170324220141.10104-1-Andrew.Baumann@microsoft.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-03-27 14:41:01 +02:00
Gerd Hoffmann e5766eb404 vnc: fix reverse mode
vnc server in reverse mode (qemu -vnc localhost:$nr,reverse) interprets
$nr as display number (i.e. with 5900 offset) in recent qemu versions.
Historical and documented behavior is interpreting $nr as port number
though. So we should bring code and documentation in line.

Given that default listening port for viewers is 5500 the 5900 offset is
pretty inconvinient, because it is simply impossible to connect to port
5500.  So, lets fix the code not the docs.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1489480018-11443-1-git-send-email-kraxel@redhat.com
2017-03-27 12:16:02 +02:00
Gerd Hoffmann 8bce03e393 ui/egl-helpers: fix egl 1.5 display init
Unfortunaly switching to getPlatformDisplayEXT isn't as easy as
implemented by 0ea1523fb6.  See the
longish comment for the complete story.

Cc: Frediano Ziglio <fziglio@redhat.com>
Suggested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1489997042-1824-1-git-send-email-kraxel@redhat.com
2017-03-27 12:14:45 +02:00
Gerd Hoffmann db6cd4c855 cirrus: fix PUTPIXEL macro
Should be "c" not "col".  The macro is used with "col" as third parameter
everywhere, so this tyops doesn't break something.

Fixes: 026aeffcb4
Reported-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: 1490168303-24588-1-git-send-email-kraxel@redhat.com
2017-03-27 12:14:45 +02:00
Ladi Prosek 57094547df virtio-input: fix eventq batching
virtio_input_send buffers input events until it sees a SYNC. Then it
either sends or drops the entire batch, depending on whether eventq
has enough space available. The case to avoid here is partial sends
where only part of the batch would get to the guest.

Using virtqueue_get_avail_bytes to check the state of eventq was not
correct. The queue may have a smaller number of larger buffers
available so bytes may be enough but the batch would still not be
possible to send, leading to the "Huh?  No vq elem available" error.

Instead of checking available bytes, this patch optimistically pops
buffers from the queue and puts them back in case it runs out of
space and the batch needs to be dropped.

Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Message-id: 1490365490-4854-3-git-send-email-lprosek@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-03-27 12:14:45 +02:00
Ladi Prosek 0f5a15e40a virtio-input: free event queue when finalizing
VirtIOInput.queue was never freed. This commit adds an explicit
g_free to virtio_input_finalize and switches the allocation
function from realloc to g_realloc in virtio_input_send.

Signed-off-by: Ladi Prosek <lprosek@redhat.com>
Message-id: 1490365490-4854-2-git-send-email-lprosek@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2017-03-27 12:14:44 +02:00
Peter Maydell ea2afcf5b6 -----BEGIN PGP SIGNATURE-----
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 =C2Jq
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging

# gpg: Signature made Fri 24 Mar 2017 14:08:41 GMT
# gpg:                using RSA key 0x9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/tracing-pull-request:
  trace: Avoid abuse of amdvi_mmio_read
  trace: Fix incorrect megasas trace parameters
  trace: Fix backwards mirror_yield parameters

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-24 14:14:18 +00:00
Christian Borntraeger 7150d34a1d boot-serial-test: use -no-shutdown
a qemu with an empty s390 guest will exit very quickly. This races
against the testsuite reading from the console pipe leading to
intermittent test suite failures. Using -no-shutdown will keep
the guest running.

Fixes: 864111f422 (vl: exit qemu on guest panic if -no-shutdown is not set)
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-id: 1490361570-288658-1-git-send-email-borntraeger@de.ibm.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-24 13:39:50 +00:00
Jitendra Kolhe dfd0dcc717 mem-prealloc: fix sysconf(_SC_NPROCESSORS_ONLN) failure case.
This was spotted by Coverity, in case where sysconf(_SC_NPROCESSORS_ONLN)
fails and returns -1. This results in memset_num_threads getting set to -1.
Which we then pass to g_new0().
The patch replaces MAX_MEM_PREALLOC_THREAD_COUNT macro with a function call
get_memset_num_threads() to handle sysconf() failure gracefully. In case
sysconf() fails, we fall back to single threaded.

(Spotted by Coverity, CID 1372465.)

Signed-off-by: Jitendra Kolhe <jitendra.kolhe@hpe.com>
Message-Id: <1490079006-32495-1-git-send-email-jitendra.kolhe@hpe.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-03-24 11:50:11 +01:00
Pranith Kumar 30663fd26c tcg/i386: Check the size of instruction being translated
This fixes the bug: 'user-to-root privesc inside VM via bad translation
caching' reported by Jann Horn here:
https://bugs.chromium.org/p/project-zero/issues/detail?id=1122

Reviewed-by: Richard Henderson <rth@twiddle.net>
CC: Peter Maydell <peter.maydell@linaro.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
Reported-by: Jann Horn <jannh@google.com>
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Message-Id: <20170323175851.14342-1-bobby.prani@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-03-24 11:49:38 +01:00
Fam Zheng 7140778605 virtio-scsi: Fix acquire/release in dataplane handlers
After the AioContext lock push down, there is a race between
virtio_scsi_dataplane_start and those "assert(s->ctx &&
s->dataplane_started)", because the latter doesn't isn't wrapped in
aio_context_acquire.

Reproducer is simply booting a Fedora guest with an empty
virtio-scsi-dataplane controller:

    qemu-system-x86_64 \
      -drive if=none,id=root,format=raw,file=Fedora-Cloud-Base-25-1.3.x86_64.raw \
      -device virtio-scsi \
      -device scsi-disk,drive=root,bootindex=1 \
      -object iothread,id=io \
      -device virtio-scsi-pci,iothread=io \
      -net user,hostfwd=tcp::10022-:22 -net nic,model=virtio -m 2048 \
      --enable-kvm

Fix this by moving acquire/release pairs from virtio_scsi_handle_*_vq to
their callers - and wrap the broken assertions in.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170317061447.16243-3-famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-03-24 11:49:03 +01:00
Fam Zheng 3d69f82161 virtio-scsi: Make virtio_scsi_acquire/release public
They will be used in virtio-scsi-dataplane.c as well, so move them to
header.

Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20170317061447.16243-2-famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-03-24 11:48:58 +01:00
Xu, Anthony ade9c1aac5 clear pending status before calling memory commit
clear pending status before calling memory commit.
Otherwise when memory_region_finalize is called,
memory_region_transaction_depth is 0 and
memory_region_update_pending is true.
That's wrong.

Signed-off -by: Anthony Xu <anthony.xu@intel.com>

Message-Id: <4712D8F4B26E034E80552F30A67BE0B1A2E3D5@ORSMSX112.amr.corp.intel.com>

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-03-24 11:48:48 +01:00
Peter Maydell bd517b4337 disas/microblaze: Remove unused REG_PC define
The REG_PC define in disas/microblaze.c clashes with a define in
the Linux SPARC system headers:

/home/pm215/qemu/disas/microblaze.c:162:0: error: "REG_PC" redefined [-Werror]
 #define REG_PC  32 /* PC */

In file included from /usr/include/signal.h:326:0,
                 from /home/pm215/qemu/include/qemu/osdep.h:86,
                 from /home/pm215/qemu/disas/microblaze.c:36:
/usr/include/sparc64-linux-gnu/sys/ucontext.h:96:0: note: this is the location of the previous definition
 #define REG_PC  (1)

Since the code doesn't actually use the REG_PC define
anywhere, the simplest fix is just to remove it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1490272961-1128-1-git-send-email-peter.maydell@linaro.org
2017-03-24 10:12:23 +00:00
Eric Blake 0d3ef78829 trace: Avoid abuse of amdvi_mmio_read
hw/i386/trace-events has an amdvi_mmio_read trace that is used for
both normal reads (listing the register name, address, size, and
offset) and for an error case (abusing the register name to show
an error message, the address to show the maximum value supported,
then shoehorning address and size into the size and offset
parameters).  The change from a wide address to a narrower size
parameter could truncate a (rather-large) bogus read attempt, so
it's better to create a separate dedicated trace with correct types,
rather than abusing the trace mechanism.  Broken since its
introduction in commit d29a09c.

[Change trace event argument type from hwaddr to uint64_t since
user-defined types should not be used for trace events.  This fixes a
build failure with LTTng UST.
--Stefan]

Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-03-24 09:21:42 +00:00
Eric Blake d17e744848 trace: Fix incorrect megasas trace parameters
hw/scsi/trace-events lists cmd as the first parameter for both
megasas_iovec_overflow and megasas_iovec_underflow, but the caller
was mistakenly passing cmd->iov_size twice instead of the command
index.  Also, trace_megasas_abort_invalid is called with parameters
in the wrong order.  Broken since its introduction in commit
e8f943c3.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-03-24 09:21:42 +00:00
Eric Blake 67adf4b398 trace: Fix backwards mirror_yield parameters
block/trace-events lists the parameters for mirror_yield
consistently with other mirror events (cnt just after s, like in
mirror_before_sleep; in_flight last, like in mirror_yield_in_flight).
But the callers were passing parameters in the wrong order, leading
to poor trace messages, including type truncation when there are
more than 4G dirty sectors involved.  Broken since its introduction
in commit bd48bde.

While touching this, ensure that all callers use the same type
(uint64_t) for cnt, as a later patch will enable the compiler to do
stricter type-checking.

Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-03-24 09:21:42 +00:00
Eric Blake 0832970119 qom: Fix regression with 'qom-type'
Commit 9a6d1ac assumed that 'qom-type' could be removed from QemuOpts
with no ill effects.  However, this command line proves otherwise:

$ ./x86_64-softmmu/qemu-system-x86_64 -nodefaults -nographic -qmp stdio \
  -object rng-random,filename=/dev/urandom,id=rng0 \
  -device virtio-rng-pci,rng=rng0
qemu-system-x86_64: -object rng-random,filename=/dev/urandom,id=rng0: Parameter 'qom-type' is missing

Fix the regression by restoring qom-type in opts after its temporary
removal that was needed for the duration of user_creatable_add_opts().

Reported-by: Richard W. M. Jones <rjones@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Message-id: 20170323160315.19696-1-eblake@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-23 17:59:40 +00:00
Peter Maydell c50126aac1 configure: Fix cut-n-paste errors in OS deprecation warning
Fix some cut-and-paste errors in the OS deprecation warning
pointed out by Thomas Huth.

Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1490119729-26206-1-git-send-email-peter.maydell@linaro.org
2017-03-23 17:57:49 +00:00
Peter Maydell 032e95af53 ppc patch queue for 2017-03-23
Just a single bugfix in this batch.  It's not strictly in ppc code,
 though it's for the pseries machine's benefit.  Eduardo suggested it
 go through my tree however.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-2.9-20170323' into staging

ppc patch queue for 2017-03-23

Just a single bugfix in this batch.  It's not strictly in ppc code,
though it's for the pseries machine's benefit.  Eduardo suggested it
go through my tree however.

# gpg: Signature made Thu 23 Mar 2017 10:09:17 GMT
# gpg:                using RSA key 0x6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg:                 aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg:                 aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg:                 aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E  87DC 6C38 CACA 20D9 B392

* remotes/dgibson/tags/ppc-for-2.9-20170323:
  numa,spapr: align default numa node memory size to 256MB

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-23 15:21:28 +00:00
Peter Maydell 21c84c91f7 Fix linux-user vs. cpu models.
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20170323' into staging

Fix linux-user vs. cpu models.

# gpg: Signature made Thu 23 Mar 2017 09:56:13 GMT
# gpg:                using RSA key 0xDECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20170323:
  target/s390x: Fix broken user mode

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-23 14:51:10 +00:00
Peter Maydell b79fbb2d70 cryptodev fixes
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 Version: GnuPG v2.0.9 (GNU/Linux)
 
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Merge remote-tracking branch 'remotes/gonglei/tags/cryptodev-next-20170323' into staging

cryptodev fixes

# gpg: Signature made Thu 23 Mar 2017 09:22:44 GMT
# gpg:                using RSA key 0x2ED7FDE9063C864D
# gpg: Good signature from "Gonglei <arei.gonglei@huawei.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: 3EF1 8E53 3459 E6D1 963A  3C05 2ED7 FDE9 063C 864D

* remotes/gonglei/tags/cryptodev-next-20170323:
  cryptodev: fix asserting single queue
  cryptodev: setiv only when really need

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-03-23 13:43:32 +00:00