Commit Graph

690 Commits

Author SHA1 Message Date
Richard Henderson
449d6d9eb4 Hexagon update
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Merge tag 'pull-hex-20230518-1' of https://github.com/quic/qemu into staging

Hexagon update

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# gpg: Signature made Thu 18 May 2023 12:48:24 PM PDT
# gpg:                using RSA key 3635C788CE62B91FD4C59AB47B0244FB12DE4422
# gpg: Good signature from "Taylor Simpson (Rock on) <tsimpson@quicinc.com>" [unknown]
# 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: 3635 C788 CE62 B91F D4C5  9AB4 7B02 44FB 12DE 4422

* tag 'pull-hex-20230518-1' of https://github.com/quic/qemu: (44 commits)
  Hexagon (linux-user/hexagon): handle breakpoints
  Hexagon (gdbstub): add HVX support
  Hexagon (gdbstub): fix p3:0 read and write via stub
  Hexagon: add core gdbstub xml data for LLDB
  gdbstub: add test for untimely stop-reply packets
  gdbstub: only send stop-reply packets when allowed to
  Remove test_vshuff from hvx_misc tests
  Hexagon (decode): look for pkts with multiple insns at the same slot
  Hexagon (iclass): update J4_hintjumpr slot constraints
  Hexagon: append eflags to unknown cpu model string
  Hexagon: list available CPUs with `-cpu help`
  Hexagon (target/hexagon/*.py): raise exception on reg parsing error
  target/hexagon: fix = vs. == mishap
  Hexagon (target/hexagon) Additional instructions handled by idef-parser
  Hexagon (target/hexagon) Move items to DisasContext
  Hexagon (target/hexagon) Move pkt_has_store_s1 to DisasContext
  Hexagon (target/hexagon) Move pred_written to DisasContext
  Hexagon (target/hexagon) Move new_pred_value to DisasContext
  Hexagon (target/hexagon) Move new_value to DisasContext
  Hexagon (target/hexagon) Make special new_value for USR
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-18 20:44:34 -07:00
Taylor Simpson
63efb6ab56 meson.build Add CONFIG_HEXAGON_IDEF_PARSER
Enable conditional compilation depending on whether idef-parser
is configured

Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230427230012.3800327-2-tsimpson@quicinc.com>
2023-05-18 12:40:51 -07:00
Paolo Bonzini
13f60de816 build: move compiler version check to meson
Use the slighly nicer .version_compare() function for GCC; for Clang that is
not possible due to the mess that Apple does with version numbers.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 13:35:28 +02:00
Paolo Bonzini
a988b4c561 build: move remaining compiler flag tests to meson
Remove the only remaining uses of QEMU_CFLAGS.  Now that no
feature tests are done in configure, it is possible to remove
CONFIGURE_CFLAGS and CONFIGURE_LDFLAGS as well.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 13:35:28 +02:00
Paolo Bonzini
95caf1fb42 build: move warning flag selection to meson
Meson already knows to test with the positive form of the flag, which
simplifies the test.  Warnings are now tested explicitly for the C++
compiler, instead of hardcoding those that are only available for
the C language.

At this point all compiler flags in QEMU_CFLAGS are global and only
depend on the OS.  No feature tests are performed in configure.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 13:35:28 +02:00
Paolo Bonzini
911d4caaa2 build: move stack protector flag selection to meson
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:52 +02:00
Paolo Bonzini
6739825aa6 build: move coroutine backend selection to meson
To simplify the code, rename coroutine-win32.c to match the option
passed to configure.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:52 +02:00
Paolo Bonzini
721fa5e563 build: move SafeStack tests to meson
This disables the old behavior of detecting SafeStack from environment
CFLAGS.  SafeStack is now enabled purely based on the configure arguments.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:52 +02:00
Paolo Bonzini
34f983d86f build: move sanitizer tests to meson
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:52 +02:00
Paolo Bonzini
d67212d47f meson: prepare move of QEMU_CFLAGS to meson
Clean up the handling of compiler flags in meson.build, splitting
the general flags that should be included in subprojects as well,
from warning flags that only apply to QEMU itself.  The two were
mixed in both configure tests and meson tests.

This split makes it easier to move the compiler tests piecewise
from configure to Meson.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:52 +02:00
Paolo Bonzini
6002711c66 configure, meson: move --enable-modules to Meson
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:52 +02:00
Paolo Bonzini
fc9a809e0d build: move glib detection and workarounds to meson
QEMU adds the path to glib.h to all compilation commands.  This is simpler
due to the pervasive use of static_library, and was grandfathered in from
the previous Make-based build system.  Until Meson 0.63 the only way to
do this was to detect glib in configure and use add_project_arguments,
but now it is possible to use add_project_dependencies instead.

gmodule is detected in a separate variable, with export enabled for
modules and disabled for plugin.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:52 +02:00
Paolo Bonzini
5328353c05 meson: drop unnecessary declare_dependency()
The libvfio_user_dep variable of subprojects/libvfio-user/lib/meson.build
is already a dependency, so there is no need to wrap it with another
declare_dependency().

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:52 +02:00
Paolo Bonzini
bd3615d68f meson: add more version numbers to the summary
Whenever declare_dependency is used to add some compile flags or dependent
libraries to the outcome of dependency(), the version of the original
dependency is dropped in the summary.  Make sure that declare_dependency()
has a version argument in those cases.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:51 +02:00
Paolo Bonzini
063d5119c1 meson: remove static_kwargs
After static_kwargs has been changed to an empty dictionary, it has
no functional effect and can be removed.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:51 +02:00
Paolo Bonzini
a0cbd2e849 meson: use prefer_static option
The option is new in Meson 0.63 and removes the need to pass "static:
true" to all dependency and find_library invocation.  Actually cleaning
up the invocations is left for a separate patch.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:51 +02:00
Paolo Bonzini
3b087f79a4 meson: require 0.63.0
This version allows cleanups in modinfo collection, but they only
work with Ninja 1.9.x and 1.8.x is still supported.  It also supports the
equivalent of QEMU's --static option to configure.

The wheel file is bumped to 0.63.3, the last release in the 0.63 branch.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-18 08:53:51 +02:00
Richard Henderson
e61f1efeb7 meson: Detect atomic128 support with optimization
There is an edge condition prior to gcc13 for which optimization
is required to generate 16-byte atomic sequences.  Detect this.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-16 15:21:39 -07:00
Christian Schoenebeck
3887702e5f configure: make clear that VirtFS is 9p
Add '9P' to the summary output section of 'VirtFS' to avoid being
confused with virtiofs.

Based-on: <20230503130757.863824-1-pefoley@google.com>
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <E1px7Id-0000NE-OQ@lizzy.crudebyte.com>
2023-05-16 16:21:54 +02:00
Peter Foley
1a67e07fe9 Don't require libcap-ng for virtfs support
It's only required for the proxy helper.

Add a new option for the proxy helper rather than enabling it
implicitly.

Change-Id: I95b73fca625529e99d16b0a64e01c65c0c1d43f2
Signed-off-by: Peter Foley <pefoley@google.com>
Message-Id: <20230503130757.863824-1-pefoley@google.com>
[C.S.: - Resolve merge conflict. ]
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
2023-05-16 16:21:04 +02:00
Sam Li
6d43eaa396 block/block-backend: add block layer APIs resembling Linux ZonedBlockDevice ioctls
Add zoned device option to host_device BlockDriver. It will be presented only
for zoned host block devices. By adding zone management operations to the
host_block_device BlockDriver, users can use the new block layer APIs
including Report Zone and four zone management operations
(open, close, finish, reset, reset_all).

Qemu-io uses the new APIs to perform zoned storage commands of the device:
zone_report(zrp), zone_open(zo), zone_close(zc), zone_reset(zrs),
zone_finish(zf).

For example, to test zone_report, use following command:
$ ./build/qemu-io --image-opts -n driver=host_device, filename=/dev/nullb0
-c "zrp offset nr_zones"

Signed-off-by: Sam Li <faithilikerun@gmail.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20230508045533.175575-4-faithilikerun@gmail.com
Message-id: 20230324090605.28361-4-faithilikerun@gmail.com
[Adjust commit message prefix as suggested by Philippe Mathieu-Daudé
<philmd@linaro.org> and remove spurious ret = -errno in
raw_co_zone_mgmt().
--Stefan]
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-05-15 08:17:03 -04:00
Richard Henderson
f779026478 disas: Move disas.c to disas/
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230503072331.1747057-80-richard.henderson@linaro.org>
2023-05-11 09:49:25 +01:00
Richard Henderson
caa9cbd566 Block layer patches
- Graph locking, part 3 (more block drivers)
 - Compile out assert_bdrv_graph_readable() by default
 - Add configure options for vmdk, vhdx and vpc
 - Fix use after free in blockdev_mark_auto_del()
 - migration: Attempt disk reactivation in more failure scenarios
 - Coroutine correctness fixes
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Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging

Block layer patches

- Graph locking, part 3 (more block drivers)
- Compile out assert_bdrv_graph_readable() by default
- Add configure options for vmdk, vhdx and vpc
- Fix use after free in blockdev_mark_auto_del()
- migration: Attempt disk reactivation in more failure scenarios
- Coroutine correctness fixes

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* tag 'for-upstream' of https://repo.or.cz/qemu/kevin: (28 commits)
  block: compile out assert_bdrv_graph_readable() by default
  block: Mark bdrv_refresh_limits() and callers GRAPH_RDLOCK
  block: Mark bdrv_recurse_can_replace() and callers GRAPH_RDLOCK
  block: Mark bdrv_query_block_graph_info() and callers GRAPH_RDLOCK
  block: Mark bdrv_query_bds_stats() and callers GRAPH_RDLOCK
  block: Mark BlockDriver callbacks for amend job GRAPH_RDLOCK
  block: Mark bdrv_co_debug_event() GRAPH_RDLOCK
  block: Mark bdrv_co_get_info() and callers GRAPH_RDLOCK
  block: Mark bdrv_co_get_allocated_file_size() and callers GRAPH_RDLOCK
  mirror: Require GRAPH_RDLOCK for accessing a node's parent list
  vhdx: Require GRAPH_RDLOCK for accessing a node's parent list
  nbd: Mark nbd_co_do_establish_connection() and callers GRAPH_RDLOCK
  nbd: Remove nbd_co_flush() wrapper function
  block: .bdrv_open is non-coroutine and unlocked
  graph-lock: Fix GRAPH_RDLOCK_GUARD*() to be reader lock
  graph-lock: Add GRAPH_UNLOCKED(_PTR)
  test-bdrv-drain: Don't modify the graph in coroutines
  iotests: Test resizing image attached to an iothread
  block: Don't call no_coroutine_fns in qmp_block_resize()
  block: bdrv/blk_co_unref() for calls in coroutine context
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-10 14:52:03 +01:00
Stefan Hajnoczi
58a2e3f5c3 block: compile out assert_bdrv_graph_readable() by default
reader_count() is a performance bottleneck because the global
aio_context_list_lock mutex causes thread contention. Put this debugging
assertion behind a new ./configure --enable-debug-graph-lock option and
disable it by default.

The --enable-debug-graph-lock option is also enabled by the more general
--enable-debug option.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20230501173443.153062-1-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-05-10 14:16:54 +02:00
Vladimir Sementsov-Ogievskiy
11cea42e17 block: add configure options for excluding vmdk, vhdx and vpc
Let's add --enable / --disable configure options for these formats,
so that those who don't need them may not build them.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Message-Id: <20230421092758.814122-1-vsementsov@yandex-team.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-05-10 14:15:13 +02:00
Richard Henderson
568992e344 QAPI patches patches for 2023-05-09
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Merge tag 'pull-qapi-2023-05-09-v2' of https://repo.or.cz/qemu/armbru into staging

QAPI patches patches for 2023-05-09

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# gpg: Signature made Wed 10 May 2023 09:05:26 AM BST
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [undefined]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [undefined]
# 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: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-qapi-2023-05-09-v2' of https://repo.or.cz/qemu/armbru:
  qapi: Reformat doc comments to conform to current conventions
  qga/qapi-schema: Reformat doc comments to conform to current conventions
  docs/devel/qapi-code-gen: Update doc comment conventions
  qapi: Section parameter @indent is no longer used, drop
  qapi: Relax doc string @name: description indentation rules
  qapi: Rewrite parsing of doc comment section symbols and tags
  qapi: Fix argument description indentation stripping
  tests/qapi-schema/doc-good: Improve argument description tests
  tests/qapi-schema/doc-good: Improve a comment
  qapi/dump: Indent bulleted lists consistently
  qapi: Tidy up a slightly awkward TODO comment
  sphinx/qapidoc: Do not emit TODO sections into user manuals
  Revert "qapi: BlockExportRemoveMode: move comments to TODO"
  meson: Fix to make QAPI generator output depend on main.py
  qapi: Fix crash on stray double quote character
  docs/devel/qapi-code-gen: Turn FIXME admonitions into comments
  docs/devel/qapi-code-gen: Clean up use of quotes a bit

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-05-10 13:11:29 +01:00
Markus Armbruster
88d357d292 meson: Fix to make QAPI generator output depend on main.py
@qapi_gen_depends is missing scripts/qapi/main.py.  Fix that, and drop
a duplicate scripts/qapi/common.py.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230428105429.1687850-5-armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
2023-05-09 09:03:57 +02:00
Paolo Bonzini
ef709860ea meson: leave unnecessary modules out of the build
meson.build files choose whether to build modules based on foo.found()
expressions.  If a feature is enabled (e.g. --enable-gtk), these expressions
are true even if the code is not used by any emulator, and this results
in an unexpected difference between modular and non-modular builds.

For non-modular builds, the files are not included in any binary, and
therefore the source files are never processed.  For modular builds,
however, all .so files are unconditionally built by default, and therefore
a normal "make" tries to build them.  However, the corresponding trace-*.h
files are absent due to this conditional:

if have_system
  trace_events_subdirs += [
    ...
    'ui',
    ...
  ]
endif

which was added to avoid wasting time running tracetool on unused trace-events
files.  This causes a compilation failure; fix it by skipping module builds
entirely if (depending on the module directory) have_block or have_system
are false.

Reported-by: Michael Tokarev <mjt@tls.msk.ru>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-05-08 19:04:52 +02:00
Dorinda Bassey
c2d3d1c294 audio/pwaudio.c: Add Pipewire audio backend for QEMU
This commit adds a new audiodev backend to allow QEMU to use Pipewire as
both an audio sink and source. This backend is available on most systems

Add Pipewire entry points for QEMU Pipewire audio backend
Add wrappers for QEMU Pipewire audio backend in qpw_pcm_ops()
qpw_write function returns the current state of the stream to pwaudio
and Writes some data to the server for playback streams using pipewire
spa_ringbuffer implementation.
qpw_read function returns the current state of the stream to pwaudio and
reads some data from the server for capture streams using pipewire
spa_ringbuffer implementation. These functions qpw_write and qpw_read
are called during playback and capture.
Added some functions that convert pw audio formats to QEMU audio format
and vice versa which would be needed in the pipewire audio sink and
source functions qpw_init_in() & qpw_init_out().
These methods that implement playback and recording will create streams
for playback and capture that will start processing and will result in
the on_process callbacks to be called.
Built a connection to the Pipewire sound system server in the
qpw_audio_init() method.

Signed-off-by: Dorinda Bassey <dbassey@redhat.com>
Reviewed-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20230417105654.32328-1-dbassey@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2023-05-05 13:23:08 +04:00
Richard Henderson
dc165fcd4e migration/xbzrle: Use __attribute__((target)) for avx512
Use the attribute, which is supported by clang, instead of
the #pragma, which is not supported and, for some reason,
also not detected by the meson probe, so we fail by -Werror.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20230501210555.289806-1-richard.henderson@linaro.org>
2023-05-02 13:05:45 -07:00
Emilio Cota
e3feb2cc22 util: import GTree as QTree
The only reason to add this implementation is to control the memory allocator
used. Some users (e.g. TCG) cannot work reliably in multi-threaded
environments (e.g. forking in user-mode) with GTree's allocator, GSlice.
See https://gitlab.com/qemu-project/qemu/-/issues/285 for details.

Importing GTree is a temporary workaround until GTree migrates away
from GSlice.

This implementation is identical to that in glib v2.75.0, except that
we don't import recent additions to the API nor deprecated API calls,
none of which are used in QEMU.

I've imported tests from glib and added a benchmark just to
make sure that performance is similar. Note: it cannot be identical
because (1) we are not using GSlice, (2) we use different compilation flags
(e.g. -fPIC) and (3) we're linking statically.

$ cat /proc/cpuinfo| grep 'model name' | head -1
model name      : AMD Ryzen 7 PRO 5850U with Radeon Graphics
$ echo '0' | sudo tee /sys/devices/system/cpu/cpufreq/boost
$ tests/bench/qtree-bench

 Tree         Op      32            1024            4096          131072         1048576
------------------------------------------------------------------------------------------------
GTree     Lookup   83.23           43.08           25.31           19.40           16.22
QTree     Lookup  113.42 (1.36x)   53.83 (1.25x)   28.38 (1.12x)   17.64 (0.91x)   13.04 (0.80x)
GTree     Insert   44.23           29.37           25.83           19.49           17.03
QTree     Insert   46.87 (1.06x)   25.62 (0.87x)   24.29 (0.94x)   16.83 (0.86x)   12.97 (0.76x)
GTree     Remove   53.27           35.15           31.43           24.64           16.70
QTree     Remove   57.32 (1.08x)   41.76 (1.19x)   38.37 (1.22x)   29.30 (1.19x)   15.07 (0.90x)
GTree  RemoveAll  135.44          127.52          126.72          120.11           64.34
QTree  RemoveAll  127.15 (0.94x)  110.37 (0.87x)  107.97 (0.85x)   97.13 (0.81x)   55.10 (0.86x)
GTree   Traverse  277.71          276.09          272.78          246.72           98.47
QTree   Traverse  370.33 (1.33x)  411.97 (1.49x)  400.23 (1.47x)  262.82 (1.07x)   78.52 (0.80x)
------------------------------------------------------------------------------------------------

As a sanity check, the same benchmark when Glib's version
is >= $glib_dropped_gslice_version (i.e. QTree == GTree):

 Tree         Op      32            1024            4096          131072         1048576
------------------------------------------------------------------------------------------------
GTree     Lookup   82.72           43.09           24.18           19.73           16.09
QTree     Lookup   81.82 (0.99x)   43.10 (1.00x)   24.20 (1.00x)   19.76 (1.00x)   16.26 (1.01x)
GTree     Insert   45.07           29.62           26.34           19.90           17.18
QTree     Insert   45.72 (1.01x)   29.60 (1.00x)   26.38 (1.00x)   19.71 (0.99x)   17.20 (1.00x)
GTree     Remove   54.48           35.36           31.77           24.97           16.95
QTree     Remove   54.46 (1.00x)   35.32 (1.00x)   31.77 (1.00x)   24.91 (1.00x)   17.15 (1.01x)
GTree  RemoveAll  140.68          127.36          125.43          121.45           68.20
QTree  RemoveAll  140.65 (1.00x)  127.64 (1.00x)  125.01 (1.00x)  121.73 (1.00x)   67.06 (0.98x)
GTree   Traverse  278.68          276.05          266.75          251.65          104.93
QTree   Traverse  278.31 (1.00x)  275.78 (1.00x)  266.42 (1.00x)  247.89 (0.99x)  104.58 (1.00x)
------------------------------------------------------------------------------------------------

Signed-off-by: Emilio Cota <cota@braap.org>
Message-Id: <20230205163758.416992-2-cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-28 15:23:10 -07:00
Marc-André Lureau
84a0a2ef0a ui/dbus: do not require opengl & gbm
Allow to build & use the DBus display without 3d/GPU acceleration support.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2023-03-13 23:48:45 +04:00
Richard Henderson
29c87a281e tracing: remove transform.py
This file, and a couple of uses, got left behind when the
tcg stuff was removed from tracetool.

Fixes: 126d4123c5 ("tracing: excise the tcg related from tracetool")
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-03-05 13:44:08 -08:00
David Woodhouse
aa98ee38a5 hw/xen: Implement emulated PIRQ hypercall support
This wires up the basic infrastructure but the actual interrupts aren't
there yet, so don't advertise it to the guest.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01 09:09:01 +00:00
David Woodhouse
820c1aba51 xen: add CONFIG_XEN_BUS and CONFIG_XEN_EMU options for Xen emulation
The XEN_EMU option will cover core Xen support in target/, which exists
only for x86 with KVM today but could theoretically also be implemented
on Arm/Aarch64 and with TCG or other accelerators (if anyone wants to
run the gauntlet of struct layout compatibility, errno mapping, and the
rest of that fui).

It will also cover the support for architecture-independent grant table
and event channel support which will be added in hw/i386/kvm/ (on the
basis that the non-KVM support is very theoretical and making it not use
KVM directly seems like gratuitous overengineering at this point).

The XEN_BUS option is for the xenfv platform support, which will now be
used both by XEN_EMU and by real Xen.

The XEN option remains dependent on the Xen runtime libraries, and covers
support for real Xen. Some code which currently resides under CONFIG_XEN
will be moving to CONFIG_XEN_BUS over time as the direct dependencies on
Xen runtime libraries are eliminated. The Xen PCI platform device will
also reside under CONFIG_XEN_BUS.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
2023-03-01 08:22:49 +00:00
Philippe Mathieu-Daudé
31ffa2aa3c cpu: Remove capstone meson dependency
Only disas.c requires capstone CFLAGS, not cpu.c.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20221130135241.85060-2-philmd@linaro.org>
2023-02-27 22:28:54 +01:00
Peter Maydell
3f21065f09 * x86 bugfixes
* OpenBSD support for naming threads
 * Refined Python support policy
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* x86 bugfixes
* OpenBSD support for naming threads
* Refined Python support policy

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# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  target/i386/gdbstub: Fix a bug about order of FPU stack in 'g' packets.
  docs: build-platforms: refine requirements on Python build dependencies
  thread-posix: add support for setting threads name on OpenBSD
  target/i386: Fix 32-bit AD[CO]X insns in 64-bit mode

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-24 12:46:59 +00:00
Pierrick Bouvier
dbd672c87f sysemu/os-win32: fix setjmp/longjmp on windows-arm64
Windows implementation of setjmp/longjmp is done in
C:/WINDOWS/system32/ucrtbase.dll. Alas, on arm64, it seems to *always*
perform stack unwinding, which crashes from generated code.

By using alternative implementation built in mingw, we avoid doing stack
unwinding and this fixes crash when calling longjmp.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230221153006.20300-3-pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-02-21 13:45:48 -10:00
Peter Maydell
4919d0c44a Replace fork-based fuzzing with reboots.
Now the fuzzers will reboot the guest between inputs.
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Merge tag 'pr-2023-02-16' of https://gitlab.com/a1xndr/qemu into staging

Replace fork-based fuzzing with reboots.
Now the fuzzers will reboot the guest between inputs.

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* tag 'pr-2023-02-16' of https://gitlab.com/a1xndr/qemu:
  docs/fuzz: remove mentions of fork-based fuzzing
  fuzz: remove fork-fuzzing scaffolding
  fuzz/i440fx: remove fork-based fuzzer
  fuzz/virtio-blk: remove fork-based fuzzer
  fuzz/virtio-net: remove fork-based fuzzer
  fuzz/virtio-scsi: remove fork-based fuzzer
  fuzz/generic-fuzz: add a limit on DMA bytes written
  fuzz/generic-fuzz: use reboots instead of forks to reset state
  fuzz: add fuzz_reset API
  hw/sparse-mem: clear memory on reset

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-21 11:28:01 +00:00
Brad Smith
3ada67a306 thread-posix: add support for setting threads name on OpenBSD
Make use of pthread_set_name_np() to be able to set the threads name
on OpenBSD.

Signed-off-by: Brad Smith <brad@comstyle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <Y57NrCmPTVSXLWC4@humpty.home.comstyle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-02-17 09:56:34 +01:00
Alexander Bulekov
d2e6f9272d fuzz: remove fork-fuzzing scaffolding
Fork-fuzzing provides a few pros, but our implementation prevents us
from using fuzzers other than libFuzzer, and may be causing issues such
as coverage-failure builds on OSS-Fuzz. It is not a great long-term
solution as it depends on internal implementation details of libFuzzer
(which is no longer in active development). Remove it in favor of other
methods of resetting state between inputs.

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
2023-02-16 23:02:46 -05:00
Dr. David Alan Gilbert
8ab5e8a503 virtiofsd: Remove build and docs glue
Remove all the virtiofsd build and docs infrastructure.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-02-16 18:15:08 +00:00
Alex Bennée
bb9ecae70b build: deprecate --enable-gprof builds and remove from CI
As gprof relies on instrumentation you rarely get useful data compared
to a real optimised build. Lets deprecate the build option and
simplify the CI configuration as a result.

Buglink: https://gitlab.com/qemu-project/qemu/-/issues/1338
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230131094224.861621-1-alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-14 09:02:42 +01:00
Ilya Leoshkevich
550c6d97de meson: Disable libdw for static builds by default
Static QEMU build fails on Debian Bullseye:

    /usr/bin/ld: /usr/lib/x86_64-linux-gnu/libdw.a(debuginfod-client.o): in function `__libdwfl_debuginfod_init':
    (.text.startup+0x17): undefined reference to `dlopen'

The reason is that pkg-config does not suggest -ldl for libdw, and
adding --extra-ldflags="-ldl" resolves the issue. However, static
linking with libdw is an unclear topic:

* Linux perf does it.
* Debian's libdw-dev description says:

      Only link to the static version for special cases and when you
      don't need anything from the ebl backends.

* As the error message above indicates, -ldl is also needed for
  debuginfod support.

The functionality provided by libdw is needed for analyzing performance
of JITed code, which is mostly useful to developers and researchers.
Therefore, in order to avoid unpleasant surprises for people who don't
need this, simply disable libdw for static builds by default. It can
still be enabled explicitly if needed.

Reported-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230210005208.438142-2-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-14 09:02:42 +01:00
Ilya Leoshkevich
bc71d58fd7 meson: Add missing libdw knobs
Add the missing meson infrastructure bits for the new libdw
dependency. Model them after the existing capstone knobs.

Fixes: 7c10cb38cc ("accel/tcg: Add debuginfo support")
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230210005208.438142-1-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2023-02-14 09:02:42 +01:00
ling xu
04ffce137b AVX512 support for xbzrle_encode_buffer
This commit is the same with [PATCH v6 1/2], and provides avx512 support for xbzrle_encode_buffer
function to accelerate xbzrle encoding speed. Runtime check of avx512
support and benchmark for this feature are added. Compared with C
version of xbzrle_encode_buffer function, avx512 version can achieve
50%-70% performance improvement on benchmarking. In addition, if dirty
data is randomly located in 4K page, the avx512 version can achieve
almost 140% performance gain.

Signed-off-by: ling xu <ling1.xu@intel.com>
Co-authored-by: Zhou Zhao <zhou.zhao@intel.com>
Co-authored-by: Jun Jin <jun.i.jin@intel.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2023-02-11 16:51:09 +01:00
Peter Maydell
ceabf6e500 linux-user branch pull request 20230204
Implement execveat()
 un-parent OBJECT(cpu) when closing thread
 Revert fix for glibc >= 2.36 sys/mount.h
 Fix/update strace
 move target_flat.h to target subdirs
 Fix SO_ERROR return code of getsockopt()
 Fix /proc/cpuinfo output for hppa
 Add emulation for MADV_WIPEONFORK and MADV_KEEPONFORK in madvise()
 Implement SOL_ALG encryption support
 linux-user: Allow sendmsg() without IOV
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Merge tag 'linux-user-for-8.0-pull-request' of https://gitlab.com/laurent_vivier/qemu into staging

linux-user branch pull request 20230204

Implement execveat()
un-parent OBJECT(cpu) when closing thread
Revert fix for glibc >= 2.36 sys/mount.h
Fix/update strace
move target_flat.h to target subdirs
Fix SO_ERROR return code of getsockopt()
Fix /proc/cpuinfo output for hppa
Add emulation for MADV_WIPEONFORK and MADV_KEEPONFORK in madvise()
Implement SOL_ALG encryption support
linux-user: Allow sendmsg() without IOV

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# gpg: Signature made Sat 04 Feb 2023 16:08:05 GMT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* tag 'linux-user-for-8.0-pull-request' of https://gitlab.com/laurent_vivier/qemu: (22 commits)
  linux-user: Allow sendmsg() without IOV
  linux-user: Implement SOL_ALG encryption support
  linux-user: Enhance strace output for various syscalls
  linux-user: Show 4th argument of rt_sigprocmask() in strace
  linux-user: Add emulation for MADV_WIPEONFORK and MADV_KEEPONFORK in madvise()
  linux-user: Improve strace output of personality() and sysinfo()
  linux-user: Fix /proc/cpuinfo output for hppa
  linux-user: Fix SO_ERROR return code of getsockopt()
  linux-user: move target_flat.h to target subdirs
  linux-user: Improve strace output of getgroups() and setgroups()
  linux-user: Add strace output for clock_getres_time64() and futex_time64()
  Revert "linux-user: fix compat with glibc >= 2.36 sys/mount.h"
  Revert "linux-user: add more compat ioctl definitions"
  linux-user: add more netlink protocol constants
  linux-user: fix strace build w/out munlockall
  linux-user: un-parent OBJECT(cpu) when closing thread
  linux-user: Add missing MAP_HUGETLB and MAP_STACK flags in strace
  linux-user/syscall: Implement execveat()
  linux-user/syscall: Extract do_execve() from do_syscall1()
  linux-user/strace: Add output for execveat() syscall
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-04 17:17:15 +00:00
Peter Maydell
579510e196 Monitor patches for 2023-02-03
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Merge tag 'pull-monitor-2023-02-03-v2' of https://repo.or.cz/qemu/armbru into staging

Monitor patches for 2023-02-03

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# gpg: Signature made Sat 04 Feb 2023 06:59:20 GMT
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-monitor-2023-02-03-v2' of https://repo.or.cz/qemu/armbru: (35 commits)
  monitor: Rename misc.c to hmp-target.c
  monitor: Loosen coupling between misc.c and monitor.c slightly
  monitor: Move remaining QMP stuff from misc.c to qmp-cmds.c
  monitor: Move remaining HMP commands from misc.c to hmp-cmds.c
  monitor: Move target-dependent HMP commands to hmp-cmds-target.c
  monitor: Move monitor_putc() next to monitor_puts & external linkage
  monitor: Split file descriptor passing stuff off misc.c
  qdev: Move HMP command completion from monitor to softmmu/
  acpi: Move the QMP command from monitor/ to hw/acpi/
  stats: Move HMP commands from monitor/ to stats/
  stats: Move QMP commands from monitor/ to stats/
  runstate: Move HMP commands from monitor/ to softmmu/
  tpm: Move HMP commands from monitor/ to softmmu/
  virtio: Move HMP commands from monitor/ to hw/virtio/
  migration: Move the QMP command from monitor/ to migration/
  migration: Move HMP commands from monitor/ to migration/
  net: Move hmp_info_network() to net-hmp-cmds.c
  net: Move HMP commands from monitor to net/
  hmp: Rewrite strlist_from_comma_list() as hmp_split_at_comma()
  rocker: Move HMP commands from monitor to hw/net/rocker/
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-02-04 10:19:55 +00:00
Markus Armbruster
aa09b3d5f8 stats: Move QMP commands from monitor/ to stats/
This moves these commands from MAINTAINERS section "QMP" to new
section "Stats".  Status is Orphan.  Volunteers welcome!

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230124121946.1139465-23-armbru@redhat.com>
2023-02-04 07:56:54 +01:00
Daniel P. Berrangé
6003159ce1 Revert "linux-user: fix compat with glibc >= 2.36 sys/mount.h"
This reverts commit 3cd3df2a95.

glibc has fixed (in 2.36.9000-40-g774058d729) the problem
that caused a clash when both sys/mount.h annd linux/mount.h
are included, and backported this to the 2.36 stable release
too:

  https://sourceware.org/glibc/wiki/Release/2.36#Usage_of_.3Clinux.2Fmount.h.3E_and_.3Csys.2Fmount.h.3E

It is saner for QEMU to remove the workaround it applied for
glibc 2.36 and expect distros to ship the 2.36 maint release
with the fix. This avoids needing to add a further workaround
to QEMU to deal with the fact that linux/brtfs.h now also pulls
in linux/mount.h via linux/fs.h since Linux 6.1

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230110174901.2580297-3-berrange@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2023-02-03 22:55:12 +01:00