PowerPC sPAPR CPUs start in the halted state, and spapr_reset_vcpu()
attempts to implement this by setting CPUState::halted to 1. But that's too
late for the case of hotplugged CPUs in a machine configure with 2 or more
threads per core.
By then, other parts of QEMU have already caused the vCPU to run in an
unitialized state a couple of times. For example, ppc_cpu_reset() calls
ppc_tlb_invalidate_all(), which ends up calling async_run_on_cpu(). This
kicks the new vCPU while it has CPUState::halted = 0, causing QEMU to issue
a KVM_RUN ioctl on the new vCPU before the guest is able to make the
start-cpu RTAS call to initialize its register state.
This problem doesn't seem to cause visible issues for regular guests, but
on a secure guest running under the Ultravisor it does. The Ultravisor
relies on being able to snoop on the start-cpu RTAS call to map vCPUs to
guests, and this issue causes it to see a stray vCPU that doesn't belong to
any guest.
Fix by setting the start-powered-off CPUState property in
spapr_create_vcpu(), which makes cpu_common_reset() initialize
CPUState::halted to 1 at an earlier moment.
Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Message-Id: <20200826055535.951207-4-bauerman@linux.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This change is in a separate patch because it's not so obvious that it
won't cause a regression.
Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Message-Id: <20200826055535.951207-3-bauerman@linux.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
There are other platforms which also have CPUs that start powered off, so
generalize the start-powered-off property so that it can be used by them.
Note that ARMv7MState also has a property of the same name but this patch
doesn't change it because that class isn't a subclass of CPUState so it
wouldn't be a trivial change.
This change should not cause any change in behavior.
Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Message-Id: <20200826055535.951207-2-bauerman@linux.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The NVDIMM support for pSeries was introduced in 5.1, but it
didn't contemplate the 'nvdimm' machine option that other
archs uses. For every other arch, if no '-machine nvdimm(=on)'
is present, it is assumed that the NVDIMM support is disabled.
The user must explictly inform that the machine supports
NVDIMM. For pseries-5.1 the 'nvdimm' option is completely
ignored, and support is always assumed to exist. This
leads to situations where the user is able to set 'nvdimm=off'
but the guest boots up with the NVDIMMs anyway.
Fixing this now, after 5.1 launch, can put the overall NVDIMM
support for pseries in a strange place regarding this 'nvdimm'
machine option. If we force everything to be like other archs,
existing pseries-5.1 guests that didn't use 'nvdimm' to use NVDIMM
devices will break. If we attempt to make the newer pseries
machines (5.2+) behave like everyone else, but keep pseries-5.1
untouched, we'll have consistency problems on machine upgrade
(5.1 will have different default values for NVDIMM support than
5.2).
The common ground here is, if the user sets 'nvdimm=off', we
must comply regardless of being 5.1 or 5.2+. This patch
changes spapr_nvdimm_validate() to verify if the user set
NVDIMM support off in the machine options and, in that
case, error out if we have a NVDIMM device. The default
value for 5.2+ pseries machines will still be 'nvdimm=on'
when there is no 'nvdimm' option declared, just like it is today
with pseries-5.1. In the end we'll have different default
semantics from everyone else in the absence of the 'nvdimm'
machine option, but this boat has sailed.
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1848887
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20200825215749.213536-4-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
NVDIMM has different contraints and conditions than the regular
DIMM and we'll need to add at least one more.
Instead of relying on 'if (nvdimm)' conditionals in the body of
spapr_memory_pre_plug(), use the existing spapr_nvdimm_validate_opts()
and put all NVDIMM handling code there. Rename it to
spapr_nvdimm_validate() to reflect that the function is now checking
more than the nvdimm device options. This makes spapr_memory_pre_plug()
a bit easier to follow, and we can tune in NVDIMM parameters
and validation in the same place.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20200825215749.213536-3-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Since we're using the string just once, just use g_autofree and
avoid leaking it without calling g_free().
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20200825215749.213536-2-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
When QEMU switches to the XIVE interrupt mode, it creates all the
guest interrupts at the level of the KVM device. These interrupts are
backed by real HW interrupts from the IPI interrupt pool of the XIVE
controller.
Currently, this is done from the QEMU main thread, which results in
allocating all interrupts from the chip on which QEMU is running. IPIs
are not distributed across the system and the load is not well
balanced across the interrupt controllers.
Change the vCPU IPI allocation to run from the vCPU context. The
associated XIVE IPI interrupt will be allocated on the chip on which
the vCPU is running and improve distribution of the IPIs in the system.
When the vCPUs are pinned, this will make the IPI local to the chip of
the vCPU. It will reduce rerouting between interrupt controllers and
gives better performance.
Device interrupts are still treated the same. To improve placement, we
would need some information on the chip owning the virtual source or
the HW source in case of a passthrough device but this reuires
changes in PAPR.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20200820134547.2355743-5-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The vCPU IPIs are now allocated in kvmppc_xive_cpu_connect() when the
vCPU connects to the KVM device and not when all the sources are reset
in kvmppc_xive_source_reset()
This requires extra care for hotplug vCPUs and VM restore.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20200820134547.2355743-4-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This is doing an extra loop but should be equivalent.
It also differentiate the reset of the sources from the restore of the
sources configuration. This will help in allocating the vCPU IPIs
independently.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20200820134547.2355743-3-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
We will use to check if a vCPU IPI has been created.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20200820134547.2355743-2-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The sPAPR machine has four different IRQ backends, each implementing
the XICS or XIVE interrupt mode or both in the case of the 'dual'
backend.
If a machine is started in P8 compat mode, QEMU should necessarily
support the XICS interrupt mode and in that case, the XIVE-only IRQ
backend is invalid. Currently, spapr_irq_check() tests the pointer
value to the IRQ backend to check for this condition, instead use the
'xics' flag. It's equivalent and it will ease the introduction of new
XIVE-only IRQ backends if needed.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20200820140106.2357228-1-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
We do not implement hotplug in the vscsi bus, but we forgot to
tell qdev about it. The result is that users are able to hotplug
devices in the vscsi bus, the devices appear in qdev, but they
aren't usable by the guest OS unless the user reboots it first.
Setting qbus hotplug_handler to NULL will tell qdev-monitor, via
qbus_is_hotpluggable(), that we do not support hotplug operations
in spapr_vscsi.
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1862059
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20200820190635.379657-1-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The OPAL test suite runs a read-erase-write test on the PNOR :
https://github.com/open-power/op-test/blob/master/testcases/OpTestPNOR.py
which revealed that the IPMI HIOMAP handlers didn't support
HIOMAP_C_ERASE. Implement the sector erase command by writing 0xFF in
the PNOR memory region.
Cc: Corey Minyard <cminyard@mvista.com>
Reported-by: Klaus Heinrich Kiwi <klaus@linux.vnet.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20200820164638.2515681-1-clg@kaod.org>
Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
On POWER9, the KVM XIVE device uses priority 7 for the escalation
interrupts. On POWER10, the host can use a reduced set of priorities
and KVM will configure the escalation priority to a lower number. In
any case, the guest is allowed to use priorities in a single range :
[ 0 .. (maxprio - 1) ].
Introduce a 'hv-prio' property to represent the escalation priority
number and use it to compute the "ibm,plat-res-int-priorities"
property defining the priority ranges reserved by the hypervisor.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20200819130843.2230799-2-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
spapr_drc.h includes typechecker macro boilerplate for the many different
DRC subclasses. However, most of these types don't actually have different
data in their class and/or instance, making these unneeded, unused, and in
fact a bad idea. Remove them.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Greg Kurz <groug@kaod.org>
It was missing the instance_size field.
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20200822083920.2668930-1-clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The TypeInfo incorrectly just lets the class size be inherited. It won't
actually break things, since the class is abstract, but we should get it
right.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
* Enable cross-compiler builds in the Gitlab CI
* Improvements / fixes for the crypto tests in the Gitlab CI
* Fix for the "make check-acceptance" microblaze failure
(required to get the Gitlab CI green again)
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Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2020-09-07' into staging
* Fixes for cross-compiling with MinGW / compiling with MSYS2
* Enable cross-compiler builds in the Gitlab CI
* Improvements / fixes for the crypto tests in the Gitlab CI
* Fix for the "make check-acceptance" microblaze failure
(required to get the Gitlab CI green again)
# gpg: Signature made Mon 07 Sep 2020 13:03:31 BST
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* remotes/huth-gitlab/tags/pull-request-2020-09-07:
target/microblaze: Collected fixes for env->iflags
tests/qtest: do not list ahci-test twice
gitlab: expand test coverage for crypto builds
crypto: fix build with gcrypt enabled
gitlab-ci: Add cross-compiling build tests
stubs: Move qemu_fd_register stub to util/main-loop.c
stubs: Move qemu_timer_notify_cb() and remove qemu_notify_event() stub
configure: Allow automatic WHPX detection
dockerfiles/debian-win64-cross: Download WHPX MinGW headers
tests/Makefile: test-image-locking needs CONFIG_POSIX
tests: Fixes building test-util-filemonitor.c on msys2/mingw
tests: fixes test-vmstate.c compile error on msys2
tests: handling signal on win32 properly
tests/docker: add python3-setuptools the docker images
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
There are several problems here that can result in soft lockup,
depending on exactly where an interrupt or exception is delivered:
Include BIMM_FLAG in IFLAGS_TB_MASK, since it needs to follow D_FLAG.
Ensure that iflags is 0 when entering an interrupt/exception handler.
Add mb_cpu_synchronize_from_tb to restore iflags from tb->flags.
The change to t_sync_flags is cosmetic, but makes the code clearer.
This fixes the reported regression in acceptance/replay_kernel.py.
Fixes: 683a247ed7 ("target/microblaze: Store "current" iflags in insn_start")
Tested-by: Thomas Huth <thuth@redhat.com>
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200904190842.2282109-2-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This is caught by "meson test", which complains about two tests with the
same name.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200904120342.11370-1-pbonzini@redhat.com>
Fixes: a2ce7dbd91 ("meson: convert tests/qtest to meson")
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Most jobs test the latest nettle library. This adds explicit coverage
for latest gcrypt using Fedora, and old gcrypt and nettle using
CentOS-7. The latter does a minimal tools-only build, as we only need to
validate that the crypto code builds and unit tests pass. Finally a job
disabling both nettle and gcrypt is provided to validate that gnutls
still works.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20200901133050.381844-3-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
If nettle is disabled and gcrypt enabled, the compiler and linker flags
needed for gcrypt are not passed.
Gnutls was also not added as a dependancy when gcrypt is enabled.
Attempting to add the library dependencies at the same time as the
source dependencies is error prone, as there are alot of different
rules for picking which sources to use, and some of the source files
use code level conditionals intead. It is thus clearer to add the
library dependencies separately.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20200901133050.381844-2-berrange@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Now that we can use all our QEMU test containers in the gitlab-CI, we can
easily add some jobs that test cross-compilation for various architectures.
There is just only small ugliness: Since the shared runners on gitlab.com
are single-threaded, we have to split each compilation job into two parts
(--disable-user and --disable-system), and exclude some additional targets,
to avoid that the jobs are running too long and hitting the timeout of 1 h.
Message-Id: <20200823111757.72002-8-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The linker of MinGW sometimes runs into the following problem:
libqemuutil.a(util_main-loop.c.obj): In function `qemu_fd_register':
/builds/huth/qemu/build/../util/main-loop.c:331: multiple definition of
`qemu_fd_register'
libqemuutil.a(stubs_fd-register.c.obj):/builds/huth/qemu/stubs/fd-register.c:5:
first defined here
collect2: error: ld returned 1 exit status
/builds/huth/qemu/rules.mak:88: recipe for target 'tests/test-timed-average.exe'
failed
qemu_fd_register() is defined in util/main-loop.c for WIN32, so let's simply
move the stub also there in the #else part of the corresponding #ifndef
to fix this problem.
Message-Id: <20200903054503.425435-1-thuth@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
When cross-compiling with MinGW, there are sometimes some weird linker
errors like:
ibqemuutil.a(util_main-loop.c.obj): In function `qemu_notify_event':
/builds/huth/qemu/build/../util/main-loop.c:139: multiple definition of
`qemu_notify_event'
libqemuutil.a(stubs_notify-event.c.obj):/builds/huth/qemu/stubs/notify-event.c:5:
first defined here
collect2: error: ld returned 1 exit status
/builds/huth/qemu/rules.mak:88: recipe for target 'tests/test-timed-average.exe'
failed
It seems like it works better when the qemu_timer_notify_cb() stub (which
calls qemu_notify_event()) is in a separate file - then we can also even
remove the qemu_notify_event() stub now.
This patch is based on ideas from the patch "stubs: Remove qemu_notify_event()"
by Philippe Mathieu-Daudé and the patch "cpu-timers, icount: new modules" from
Claudio Fontana.
Message-Id: <20200902102433.304737-1-thuth@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The whpx variable is currently initialized to "no" which causes the WHPX
check to skip the detection unless the user specified --enable-whpx.
Since the detection code should be able to figure it out correctly, let's
initialized the variable to "" on MinGW-builds for proper auto-detection
instead.
Message-Id: <20200804170055.2851-11-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Message-Id: <20200823111757.72002-7-thuth@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
To compile-test the WHPX accelerator, we need to download these system
headers first (they are unfortunately not part of any released and
packaged MinGW toolchain yet).
Idea taken from another patch by Stefan Weil.
Message-Id: <20200804170055.2851-12-thuth@redhat.com>
Message-Id: <20200823111757.72002-6-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
test-image-locking.c uses the qemu_lock_fd_test() function which is
only available on POSIX-like systems.
Message-Id: <20200804170055.2851-4-thuth@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-Id: <20200823111757.72002-4-thuth@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Fixes the following compiling error:
../tests/test-util-filemonitor.c: In function 'test_file_monitor_events':
../tests/test-util-filemonitor.c:620:17: error: too many arguments to function 'mkdir'
620 | if (mkdir(pathsrc, 0700) < 0) {
| ^~~~~
In file included from C:/CI-Tools/msys64/mingw64/x86_64-w64-mingw32/include/unistd.h:10,
from C:/work/xemu/qemu/include/qemu/osdep.h:93,
from ../tests/test-util-filemonitor.c:21:
C:/CI-Tools/msys64/mingw64/x86_64-w64-mingw32/include/io.h:282:15: note: declared here
282 | int __cdecl mkdir (const char *) __MINGW_ATTRIB_DEPRECATED_MSVC2005;
| ^~~~~
Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Message-Id: <20200905203425.1470-1-luoyonggang@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
../tests/test-vmstate.c: In function 'int_cmp':
../tests/test-vmstate.c:884:5: error: unknown type name 'uint'; did you mean 'uInt'?
884 | uint ua = GPOINTER_TO_UINT(a);
| ^~~~
| uInt
../tests/test-vmstate.c:885:5: error: unknown type name 'uint'; did you mean 'uInt'?
885 | uint ub = GPOINTER_TO_UINT(b);
| ^~~~
| uInt
make: *** [Makefile.ninja:5461：tests/test-vmstate.exe.p/test-vmstate.c.obj] 错误 1
Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Message-Id: <20200905063813.1875-1-luoyonggang@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
SIGABRT should use signal(SIGABRT, sigabrt_handler) to handle on win32
The error:
E:/CI-Cor-Ready/xemu/qemu.org/tests/test-replication.c:559:33: error: invalid use of undefined type 'struct sigaction'
559 | sigact = (struct sigaction) {
| ^
Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Message-Id: <20200902170054.810-6-luoyonggang@gmail.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
We need these now for builds to work.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20200903112107.27367-4-alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Target definitions of btrfs ioctls in 'syscall_defs.h' use
the value BTRFS_IOCTL_MAGIC that is defined header 'btrfs.h'.
This header is not available in kernel versions before 3.9.
For that reason, these target ioctl definitions should be
enwrapped in an #ifdef directive to check whether the 'btrfs.h'
header is available as to not cause build errors on older
Linux systems.
Signed-off-by: Filip Bozuta <Filip.Bozuta@syrmia.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200905163802.2666-1-Filip.Bozuta@syrmia.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
On ppc, in termios, c_line is after c_cc, not before .
Fixes: c218b4ede4 ("linux-user: Add missing termbits types and values definitions")
Cc: Filip.Bozuta@syrmia.com
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200830181620.422036-1-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
info->brk was erroneously set to the end of highest addressed
writable segment which could result it in overlapping the executable.
As per load_elf_binary in fs/binfmt_elf.c in Linux, it should be
set to end of highest addressed segment.
Signed-off-by: Timothy E Baldwin <T.E.Baldwin99@members.leeds.ac.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200728224615.326675-1-T.E.Baldwin99@members.leeds.ac.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This patch introduces functionality for following time64 syscalls:
*ppoll_time64
This is a year 2038 safe variant of:
int poll(struct pollfd *fds, nfds_t nfds, int timeout)
-- wait for some event on a file descriptor --
man page: https://man7.org/linux/man-pages/man2/ppoll.2.html
*pselect6_time64
This is a year 2038 safe variant of:
int pselect6(int nfds, fd_set *readfds, fd_set *writefds,
fd_set *exceptfds, const struct timespec *timeout,
const sigset_t *sigmask);
-- synchronous I/O multiplexing --
man page: https://man7.org/linux/man-pages/man2/pselect6.2.html
Implementation notes:
Year 2038 safe syscalls in this patch were implemented
with the same code as their regular variants (ppoll() and pselect()).
This code was moved to new functions ('do_ppoll()' and 'do_pselect6()')
that take a 'bool time64' from which a right 'struct timespec' converting
function is called.
(target_to_host/host_to_target_timespec() for regular and
target_to_host/host_to_target_timespec64() for time64 variants)
Signed-off-by: Filip Bozuta <Filip.Bozuta@syrmia.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200824223050.92032-2-Filip.Bozuta@syrmia.com>
[lv: rebase and fix do_pselect6()]
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Fix vector abs fallback.
Only set parallel_cpus for SMP.
Add vector dupm for 256-bit elements.
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Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20200903' into staging
Improve inlining in cputlb.c.
Fix vector abs fallback.
Only set parallel_cpus for SMP.
Add vector dupm for 256-bit elements.
# gpg: Signature made Thu 03 Sep 2020 22:38:25 BST
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F
* remotes/rth/tags/pull-tcg-20200903:
tcg: Implement 256-bit dup for tcg_gen_gvec_dup_mem
tcg: Eliminate one store for in-place 128-bit dup_mem
softmmu/cpus: Only set parallel_cpus for SMP
tcg: Fix tcg gen for vectorized absolute value
cputlb: Make store_helper less fragile to compiler optimizations
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Fix MK_ARRAY()
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Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-5.2-pull-request' into staging
Add btrfs support
Fix MK_ARRAY()
# gpg: Signature made Thu 03 Sep 2020 00:26:37 BST
# 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
* remotes/vivier2/tags/linux-user-for-5.2-pull-request:
linux-user: Add support for btrfs ioctls used to scrub a filesystem
linux-user: Add support for btrfs ioctls used to manage quota
linux-user: Add support for two btrfs ioctls used for subvolume
linux-user: Add support for a group of btrfs inode ioctls
linux-user: Add support for btrfs ioctls used to get/set features
linux-user: Add support for btrfs ioctls used to manipulate with devices
linux-user: Add support for a group of btrfs ioctls used for snapshots
linux-user: Add support for a group of btrfs ioctls used for subvolumes
linux-user: fix implicit conversion from enumeration type error
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Code simply asserts that there is no wraparound instead of handling
it properly. The assert() can be triggered by the guest (must be
privilidged inside the guest though). Fix it.
Buglink: https://bugs.launchpad.net/qemu/+bug/1880189
Cc: Li Qiang <liq3ea@163.com>
Reported-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Li Qiang <liq3ea@163.com>
Message-id: 20200901140944.24101-1-kraxel@redhat.com
we go here either (!(*iov)[i].iov_base) or (len != l), so we need to consider
to unmap the 'i'th item as well when the 'i'th item is not nil
CC: Li Qiang <liq3ea@gmail.com>
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Message-id: 20200827035855.24354-1-lizhijian@cn.fujitsu.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Nikola reported on Windows when gd_vc_gfx_init() is called, the
window is not yet realized, so we run gd_refresh_rate_millihz(NULL)
which returns 0 milli-Hertz.
When a Widget is realized, it fires a 'realized' event. We already
have the gd_draw_event() handler registered for this even, so simply
move the gd_refresh_rate_millihz() there. When the event fires, the
window is known to exist.
This completes commit c4c00922cc original intention.
Reported-by: Nikola Pavlica <pavlica.nikola@gmail.com>
Tested-by: Nikola Pavlica <pavlica.nikola@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200817172331.598255-1-philmd@redhat.com
Suggested-by: Nikola Pavlica <pavlica.nikola@gmail.com>
Tested-by: Nikola Pavlica <pavlica.nikola@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Add support for SIDE and EXTRA buttons.
The constants for buttons in both SPICE and QEMU are defined as
LEFT
MIDDLE
RIGHT
UP
DOWN
SIDE
EXTRA
(same order).
"button_mask" contains for each bit the state of a button. Qemu currently
uses bits 0, 1, 2 respectively as LEFT, RIGHT, MIDDLE; also add bits 4
and 5 as UP and DOWN (using wheel movements). SPICE protocol uses
a bitmask based on the order above where LEFT is bit 0, MIDDLE is
bit 1 and so on till EXTRA being bit 6. To avoid clash with Qemu usage
SPICE bitmask from SIDE are move a bit more resulting respectively
in 0x40 and 0x80 values.
Signed-off-by: Frediano Ziglio <freddy77@gmail.com>
Message-id: 20200820145851.50846-1-fziglio@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Receiving error in local variable err, and forgot to free it.
This patch check the return value of 'gdk_window_create_gl_context'
and 'gdk_gl_context_realize', then free err to fix it.
Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
Message-Id: <20200831134315.1221-6-pannengyuan@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
