Use DeviceClass rather than SysBusDeviceClass in
onenand_class_init().
Cc: kwolf@redhat.com
Cc: mreitz@redhat.com
Cc: qemu-block@nongnu.org
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181130093852.20739-3-maozhongyi@cmss.chinamobile.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Use DeviceClass rather than SysBusDeviceClass in
mv88w8618_wlan_class_init().
Cc: jan.kiszka@web.de
Cc: peter.maydell@linaro.org
Cc: qemu-arm@nongnu.org
Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181130093852.20739-2-maozhongyi@cmss.chinamobile.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Architecturally, it's possible for an AArch64 machine to have
all of its RAM over the 4GB mark, but our kernel/initrd loading
code in boot.c assumes that the upper half of the addresses
to load these images to is always zero. Write the whole 64 bit
address into the bootloader code fragment, not just the low half.
Note that, currently, none of the existing QEMU machines have
their main memory over 4GBs, so this was not a user-visible bug.
Signed-off-by: Ricardo Perez Blanco <ricardo.perez_blanco@nokia.com>
[PMM: revised commit message and tweaked some long lines]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The third argument of object_property_set_link() is the name of
property, not related with the QOM type name, using the constant
string instead.
Signed-off-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 1542880825-2604-1-git-send-email-liq3ea@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2018-12-04-1' into staging
Merge tpm 2018/12/04 v1
# gpg: Signature made Tue 04 Dec 2018 15:25:52 GMT
# gpg: using RSA key 75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.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: B818 B9CA DF90 89C2 D5CE C66B 75AD 6580 2A0B 4211
* remotes/stefanberger/tags/pull-tpm-2018-12-04-1:
tpm: Make sure the locality received from backend is valid
tpm: Make sure new locality passed to tpm_tis_prep_abort() is valid
tpm: Remove unused locty parameter from tpm_tis_abort()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Taking the address of a field in a packed struct is a bad idea, because
it might not be actually aligned enough for that pointer type (and
thus cause a crash on dereference on some host architectures). Newer
versions of clang warn about this. Avoid the bug by not using the
"modify in place" byte swapping functions.
Patch produced with scripts/coccinelle/inplace-byteswaps.cocci
(with a couple of long lines manually wrapped).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20181210120436.30522-1-peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
vfio-ap devices do not pin any pages in the host. Therefore, they
are compatible with memory ballooning.
Flag them as compatible, so both vfio-ap and a balloon can be
used simultaneously.
Cc: qemu-stable@nongnu.org
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Tested-by: Tony Krowiak <akrowiak@linux.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Just like on other architectures, we should stop the clock while the guest
is not running. This is already properly done for TCG. Right now, doing an
offline migration (stop, migrate, cont) can easily trigger stalls in the
guest.
Even doing a
(hmp) stop
... wait 2 minutes ...
(hmp) cont
will already trigger stalls.
So whenever the guest stops, backup the KVM TOD. When continuing to run
the guest, restore the KVM TOD.
One special case is starting a simple VM: Reading the TOD from KVM to
stop it right away until the guest is actually started means that the
time of any simple VM will already differ to the host time. We can
simply leave the TOD running and the guest won't be able to recognize
it.
For migration, we actually want to keep the TOD stopped until really
starting the guest. To be able to catch most errors, we should however
try to set the TOD in addition to simply storing it. So we can still
catch basic migration problems.
If anything goes wrong while backing up/restoring the TOD, we have to
ignore it (but print a warning). This is then basically a fallback to
old behavior (TOD remains running).
I tested this very basically with an initrd:
1. Start a simple VM. Observed that the TOD is kept running. Old
behavior.
2. Ordinary live migration. Observed that the TOD is temporarily
stopped on the destination when setting the new value and
correctly started when finally starting the guest.
3. Offline live migration. (stop, migrate, cont). Observed that the
TOD will be stopped on the source with the "stop" command. On the
destination, the TOD is temporarily stopped when setting the new
value and correctly started when finally starting the guest via
"cont".
4. Simple stop/cont correctly stops/starts the TOD. (multiple stops
or conts in a row have no effect, so works as expected)
In the future, we might want to send the guest a special kind of time sync
interrupt under some conditions, so it can synchronize its tod to the
host tod. This is interesting for migration scenarios but also when we
get time sync interrupts ourselves. This however will most probably have
to be handled in KVM (e.g. when the tods differ too much) and is not
desired e.g. when debugging the guest (single stepping should not
result in permanent time syncs). I consider something like that an add-on
on top of this basic "don't break the guest" handling.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20181130094957.4121-1-david@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
I fail to see why this is useful as we require MSIX always and
completely fail adding a device.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20181105110313.29312-2-david@redhat.com>
Fixes: 4f6482bfe3
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Collin Walling <walling@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The initial value of nalloc is -1, but not 1.
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-id: 1541479952-32355-1-git-send-email-dongli.zhang@oracle.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
In virtio_blk_handle_request(), in_iov is used for input header while iov
is used for output header. Rename iov to out_iov to pair output header's
name with in_iov to avoid confusing people when reading source code.
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Message-id: 1541520556-8334-1-git-send-email-dongli.zhang@oracle.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Merge remote-tracking branch 'remotes/vivier2/tags/trivial-patches-pull-request' into staging
Trivial patches (2018-12-11)
# gpg: Signature made Tue 11 Dec 2018 18:02:20 GMT
# gpg: using RSA key F30C38BD3F2FBE3C
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>"
# gpg: aka "Laurent Vivier <laurent@vivier.eu>"
# gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>"
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C
* remotes/vivier2/tags/trivial-patches-pull-request: (30 commits)
Fixes i386 xchgq test
maint: Grammar fix to mailmap
MAINTAINERS: Update email address for Fam Zheng
cutils: Assert in-range base for string-to-integer conversions
util: vfio-helpers: use ARRAY_SIZE in qemu_vfio_init_pci()
target: hax: fix errors in comment
MAINTAINERS: Use my work email to review Build and test automation patches
MAINTAINERS: Add a missing entry for the NVDIMM device
MAINTAINERS: Add a missing entry to the QMP section
MAINTAINERS: Add a missing entry to SPICE
MAINTAINERS: Add missing entries for the MPS2 machine
MAINTAINERS: Add missing entries for the Canon DIGIC machine
MAINTAINERS: Add missing entries to the vhost section
MAINTAINERS: Add missing entries to the PC Chipset section
MAINTAINERS: Add a missing entry for the sun4m machines
MAINTAINERS: Add a missing entry for the Old World machines
MAINTAINERS: Add a missing entry for the Xilinx S3A-DSP 1800 machine
MAINTAINERS: Add missing entries for the Jazz machine
MAINTAINERS: Add missing entries for the Xilinx ZynqMP machine
MAINTAINERS: Add a missing entry to the SPARC CPU
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Instead of trying to implement something that isn't well specified,
remove it. (it would be tricky to implement, since a class struct is
memcpy on children types...)
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20181204142023.15982-7-marcandre.lureau@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The function is only used by a test, move it there.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20181204142023.15982-6-marcandre.lureau@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
global_props is only used for Xen xen_compat_props. It's a static
array of GlobalProperty, like machine globals in SET_MACHINE_COMPAT().
Let's register the globals the same way, without extra copy allocation.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20181204142023.15982-5-marcandre.lureau@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Instead of accepting any Object*, change user_creatable_complete() to
require a UserCreatable*. Modify the callers to pass the appropriate
argument, removing redundant dynamic cast checks in object creation.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20181204142023.15982-4-marcandre.lureau@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Instead of setting suppress_vmdesc at instance_init time, set
default_machine_opts on pc_i440fx_2_2_machine_options() to
implement equivalent behavior.
This will let us eliminate the need for pc_compat_*() functions
for PC machine-types.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20181205205827.19387-6-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Now that all instance_options functions for spapr are empty,
delete them.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20181205205827.19387-5-ehabkost@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Instead of setting suppress_vmdesc at instance_init time, set
default_machine_opts on spapr_machine_2_2_class_options() to
implement equivalent behavior.
This will let us eliminate the need for separate instance_init
functions for each spapr machine-type.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20181205205827.19387-4-ehabkost@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Instead of setting use_hotplug_event_source at instance_init
time, set default_machine_opts on spapr_machine_2_7_class_options()
to implement equivalent behavior.
This will let us eliminate the need for separate instance_init
functions for each spapr machine-type.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20181205205827.19387-3-ehabkost@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
All instance_init functions for all virt machine-types run
exactly the same code, so we don't need separate functions. We
only need to set instance_init for TYPE_VIRT_MACHINE.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20181205205827.19387-2-ehabkost@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Including all machine types that might have a pcie-root-port.
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Message-Id: <154394083644.28192.8501647946108201466.stgit@gimli.home>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
[ehabkost: fixed accidental recursion at spapr_machine_3_1_class_options()]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This makes their function more clear and prevents conflicts when adding
the actual devices to the machine state, if necessary.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20181107152434.22219-1-minyard@acm.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Should not be a problem right now, but it could theoretically happen
in the future.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20181023152306.3123-7-david@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Shorter and easier to read.
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20181023152306.3123-6-david@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The code was converted to use sun4v_rtc_read() by mistake, fix
it.
Reported-by: David Gibson <david@gibson.dropbear.id.au>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20181031001843.12892-1-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
While most developers are now using UTF-8 environments, it's
harder to guarantee that error messages will be output to
a multibyte locale. Rather than risking error messages that
get corrupted into mojibake when the user runs qemu in a
non-multibyte locale, let's stick to straight ASCII error
messages, rather than assuming that our use of UTF-8 in source
code string constants will work unchanged in other locales.
Found with:
$ LC_ALL=C git grep -l $'".*[\x80-\xff].*"' origin -- '**/*.[ch]' | cat
origin:hw/misc/tmp105.c
origin:hw/misc/tmp421.c
Reported-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20181120203628.2367003-1-eblake@redhat.com>
[lv: added command line to find non ASCII characters]
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
In set_netdev(), the peers[i] is initialized
qemu_find_net_clients_except() when i is in
0 between 'queues' it can't be NULL.
Signed-off-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1541751214-17515-1-git-send-email-liq3ea@gmail.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Pass num_sg by value instead of by pointer, as num_sg is never modified in
virtqueue_map_iovec().
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1541139396-4727-1-git-send-email-dongli.zhang@oracle.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
While performing block transfer write in smb_ioport_writeb(),
'smb_index' is incremented and used to index smb_data[] array.
Check 'smb_index' value to avoid OOB access.
Note that this bug is exploitable by a guest to escape
from the virtual machine. However the commit which
introduced the bug was only made after the 3.0 release,
and so it is not present in any released QEMU versions.
Fixes: 38ad4fae43 i2c: pm_smbus: Add block transfer capability
Reported-by: Michael Hanselmann <public@hansmi.ch>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Michael Hanselmann <public@hansmi.ch>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20181206121830.6177-1-ppandit@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Make sure that the locality passed from the backend to
tpm_tis_request_completed() is valid.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Make sure that the new locality passed to tpm_tis_prep_abort()
is valid.
Add a comment to aborting_locty that it may be any locality, including
TPM_TIS_NO_LOCALITY.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Slash is unix directory separator, so they are not allowed in filenames.
Note this also stops the classic escape via "../".
Fixes: CVE-2018-16867
Reported-by: Michael Hanselmann <public@hansmi.ch>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181203101045.27976-3-kraxel@redhat.com
Make utf16_to_str return an allocated string. Remove the assumtion that
the number of string bytes equals the number of utf16 chars (which is
only true for ascii chars). Instead call wcstombs twice, once to figure
the storage size and once for the actual conversion (as suggested by the
wcstombs manpage).
FIXME: surrogate pairs are not working correctly. Pre-existing bug,
fixing that is left for another day.
Reported-by: Michael Hanselmann <public@hansmi.ch>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 20181203101045.27976-2-kraxel@redhat.com
Remove the unused locty parameter from tpm_tis_abort() function.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
When using clang 3.4.2, compilation of QEMU fails like this:
CC aarch64-softmmu/hw/arm/aspeed.o
hw/arm/aspeed.c:36:3: error: redefinition of typedef 'AspeedBoardState' is a C11
feature [-Werror,-Wtypedef-redefinition]
} AspeedBoardState;
^
include/hw/arm/aspeed.h:14:33: note: previous definition is here
typedef struct AspeedBoardState AspeedBoardState;
^
1 error generated.
make[1]: *** [hw/arm/aspeed.o] Error 1
make: *** [subdir-aarch64-softmmu] Error 2
Remove the duplicated typedef to fix this issue.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-id: 1543397736-8198-1-git-send-email-thuth@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Because they are supposed to remain const.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20181114132931.22624-1-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Under heavy IO (e.g. fio) the queue is not checked frequently enough for
pending commands. As a result some pending commands are timed out by the
linux sym53c8xx driver, which sends SCSI Abort messages for the timed out
commands. The SCSI Abort messages result in linux errors, which show up
on the console and in /var/log/messages.
e.g.
sd 0:0:3:0: [sdd] tag#33 ABORT operation started
scsi target0:0:3: control msgout:
80 20 47 d
sd 0:0:3:0: ABORT operation complete.
scsi target0:0:4: message d sent on bad reselection
Now following a WAIT DISCONNECT Script instruction, and if there is no
current command, check for a pending command on the queue and if one
exists call lsi_reselect().
Signed-off-by: George Kennedy <george.kennedy@oracle.com>
Message-Id: <1541776692-12271-1-git-send-email-george.kennedy@oracle.com>
[For safety, add a s->current check in lsi_update_irq - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: ZhiPeng Lu <luzhipeng@uniudc.com>
Message-id: 1543316565-1101590-1-git-send-email-luzhipeng@uniudc.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The code had asserted an interrupt every time it was requested to check
for new completion queue entries.This can result in spurious interrupts
seen by the guest OS.
Fix this by asserting an interrupt only if there are un-acknowledged
completion queue entries available.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
If no kernel driver is active, we can already claim and perform I/O on
it without detaching it.
Signed-off-by: linzhecheng <linzhecheng@huawei.com>
Message-id: 20181120083419.17716-1-linzhecheng@huawei.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Guest writes to a readonly register trigger the assert in
intel_hda_reg_write(). Add a check and just ignore them.
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1628433
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181123063957.9515-1-kraxel@redhat.com
