Now that blk_insert_bs() requests the BlockBackend permissions for the
node it attaches to, it can fail. Instead of aborting, pass the errors
to the callers.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
We want every user to be specific about the permissions it needs, so
we'll pass the initial permissions as parameters to blk_new(). A user
only needs to call blk_set_perm() if it wants to change the permissions
after the fact.
The permissions are stored in the BlockBackend and applied whenever a
BlockDriverState should be attached in blk_insert_bs().
This does not include actually choosing the right set of permissions
everywhere yet. Instead, the usual FIXME comment is added to each place
and will be addressed in individual patches.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
The BlockBackend can now store the permissions that its user requires.
This is necessary because nodes can be ejected from or inserted into a
BlockBackend and all of these operations must make sure that the user
still gets what it requested initially.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
Now that all block drivers with children tell us what permissions they
need from each of their children, bdrv_attach_child() can use this
information and make the right requirements while trying to attach new
children.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
All block drivers that can have child nodes implement .bdrv_child_perm()
now. Make this officially a requirement by asserting that only drivers
without children can omit .bdrv_child_perm().
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
vvfat is the last remaining driver that can have children, but doesn't
implement .bdrv_child_perm() yet. The default handlers aren't suitable
here, so let's implement a very simple driver-specific one that protects
the internal child from being used by other users as good as our
permissions permit.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
This makes use of the .bdrv_child_perm() implementation for formats that
we just added. All format drivers expose the permissions they actually
need nows, so that they can be set accordingly and updated when parents
are attached or detached.
The only format not included here is raw, which was already converted
with the other filter drivers.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
Almost all format drivers have the same characteristics as far as
permissions are concerned: They have one or more children for storing
their own data and, more importantly, metadata (can be written to and
grow even without external write requests, must be protected against
other writers and present consistent data) and optionally a backing file
(this is just data, so like for a filter, it only depends on what the
parent nodes need).
This provides a default implementation that can be shared by most of
our format drivers.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
All callers will have to request permissions for all of their child
nodes. Block drivers that act as simply filters can use the default
implementation of .bdrv_child_perm().
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
Most filters need permissions related to read and write for their
children, but only if the node has a parent that wants to use the same
operation on the filter. The same is true for resize.
This adds a default implementation that simply forwards all necessary
permissions to all children of the node and leaves the other permissions
unchanged.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
In many cases, the required permissions of one node on its children
depend on what its parents require from it. For example, the raw format
or most filter drivers only need to request consistent reads if that's
something that one of their parents wants.
In order to achieve this, this patch introduces two new BlockDriver
callbacks. The first one lets drivers first check (recursively) whether
the requested permissions can be set; the second one actually sets the
new permission bitmask.
Also add helper functions that drivers can use in their implementation
of the callbacks to update their permissions on a specific child.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
When attaching a node as a child to a new parent, the required and
shared permissions for this parent are checked against all other parents
of the node now, and an error is returned if there is a conflict.
This allows error returns to a function that previously always
succeeded, and the same is true for quite a few callers and their
callers. Converting all of them within the same patch would be too much,
so for now everyone tells that they don't need any permissions and allow
everyone else to do anything. This way we can use &error_abort initially
and convert caller by caller to pass actual permission requirements and
implement error handling.
All these places are marked with FIXME comments and it will be the job
of the next patches to clean them up again.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
It will have to return an error soon, so prepare the callers for it.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
This patch defines the permission categories that will be used by the
new op blocker system.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
Commit 75cdcd1 neglected to update tests/qemu-iotests/049.out, and
made the error message for negative size worse. Fix that.
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
the convert process is currently completely implemented with sync operations.
That means it reads one buffer and then writes it. No parallelism and each sync
request takes as long as it takes until it is completed.
This can be a big performance hit when the convert process reads and writes
to devices which do not benefit from kernel readahead or pagecache.
In our environment we heavily have the following two use cases when using
qemu-img convert.
a) reading from NFS and writing to iSCSI for deploying templates
b) reading from iSCSI and writing to NFS for backups
In both processes we use libiscsi and libnfs so we have no kernel cache.
This patch changes the convert process to work with parallel running coroutines
which can significantly improve performance for network storage devices:
qemu-img (master)
nfs -> iscsi 22.8 secs
nfs -> ram 11.7 secs
ram -> iscsi 12.3 secs
qemu-img-async (8 coroutines, in-order write disabled)
nfs -> iscsi 11.0 secs
nfs -> ram 10.4 secs
ram -> iscsi 9.0 secs
This patches introduces 2 new cmdline parameters. The -m parameter to specify
the number of coroutines running in parallel (defaults to 8). And the -W parameter to
allow qemu-img to write to the target out of order rather than sequential. This improves
performance as the writes do not have to wait for each other to complete.
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Since commit b0a335e351, a socket write
may trigger a disconnect events, calling vhost_user_stop() and clearing
all the vhost_dev strutures holding data that vhost.c functions expect
to remain valid. Delay the cleanup to keep the vhost_dev structure
valid during the vhost.c functions.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170227104956.24729-1-marcandre.lureau@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We can call this qmp command to do checkpoint outside of qemu.
Xen colo will need this function.
Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Signed-off-by: Wen Congyang <wencongyang@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
We can call this qmp command to start/stop replication outside of qemu.
Like Xen colo need this function.
Signed-off-by: Zhang Chen <zhangchen.fnst@cn.fujitsu.com>
Signed-off-by: Wen Congyang <wencongyang@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
- a fix to a minor bug reported by Coverity
- throttling support in the local backend (command line only)
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Merge remote-tracking branch 'remotes/gkurz/tags/for-upstream' into staging
This pull request brings:
- a fix to a minor bug reported by Coverity
- throttling support in the local backend (command line only)
# gpg: Signature made Tue 28 Feb 2017 09:32:30 GMT
# 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:
throttle: factor out duplicate code
fsdev: add IO throttle support to fsdev devices
9pfs: fix v9fs_lock error case
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This adds the bcm2835_sdhost and bcm2835_gpio to the BCM2835 platform.
For supporting the SD controller selection (alternate function of GPIOs
48-53), the bcm2835_gpio now exposes an sdbus.
It also has a link to both the sdbus of sdhci and sdhost controllers,
and the card is reparented from one bus to another when the alternate
function of GPIOs 48-53 is modified.
Signed-off-by: Clement Deschamps <clement.deschamps@antfield.fr>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1488293711-14195-5-git-send-email-peter.maydell@linaro.org
Message-id: 20170224164021.9066-5-clement.deschamps@antfield.fr
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This adds the BCM2835 GPIO controller.
It currently implements:
- The 54 GPIOs as outputs (qemu_irq)
- The SD controller selection via alternate function of GPIOs 48-53
Signed-off-by: Clement Deschamps <clement.deschamps@antfield.fr>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1488293711-14195-4-git-send-email-peter.maydell@linaro.org
Message-id: 20170224164021.9066-4-clement.deschamps@antfield.fr
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Provide a new function sdbus_reparent_card() in sd core for reparenting
a card from a SDBus to another one.
This function is required by the raspi platform, where the two SD
controllers can be dynamically switched.
Signed-off-by: Clement Deschamps <clement.deschamps@antfield.fr>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1488293711-14195-3-git-send-email-peter.maydell@linaro.org
Message-id: 20170224164021.9066-3-clement.deschamps@antfield.fr
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: added a doc comment to the header file; changed to
use new behaviour of qdev_set_parent_bus()]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Instead of qdev_set_parent_bus() silently doing the wrong
thing if it's handed a device that's already on a bus,
have it remove the device from the old bus and add it to
the new one. This is useful for the raspi2 sdcard.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 1488293711-14195-2-git-send-email-peter.maydell@linaro.org
Reset CPU interface registers of GICv3 when CPU is reset.
For this, ARMCPRegInfo struct is registered with one ICC
register whose resetfn is called when cpu is reset.
All the ICC registers are reset under one single register
reset function instead of calling resetfn for each ICC
register.
Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@cavium.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1487850673-26455-6-git-send-email-vijay.kilari@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add gicv3state void pointer to CPUARMState struct
to store GICv3CPUState.
In case of usecase like CPU reset, we need to reset
GICv3CPUState of the CPU. In such scenario, this pointer
becomes handy.
Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@cavium.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1487850673-26455-5-git-send-email-vijay.kilari@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This actually implements pre_save and post_load methods for in-kernel
vGICv3.
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@cavium.com>
Message-id: 1487850673-26455-4-git-send-email-vijay.kilari@gmail.com
[PMM:
* use decimal, not 0bnnn
* fixed typo in names of ICC_APR0R_EL1 and ICC_AP1R_EL1
* completely rearranged the get and put functions to read and write
the state in a natural order, rather than mixing distributor and
redistributor state together]
Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@cavium.com>
[Vijay:
* Update macro KVM_VGIC_ATTR
* Use 32 bit access for gicd and gicr
* GICD_IROUTER, GICD_TYPER, GICR_PROPBASER and GICR_PENDBASER reg
access are changed from 64-bit to 32-bit access
* Add ICC_SRE_EL1 save and restore
* Dropped translate_fn mechanism and coded functions to handle
save and restore of edge_trigger and priority
* Number of APnR register saved/restored based on number of
priority bits supported]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
To Save and Restore ICC_SRE_EL1 register introduce vmstate
subsection and load only if non-zero.
Also initialize icc_sre_el1 with to 0x7 in pre_load
function.
Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@cavium.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 1487850673-26455-3-git-send-email-vijay.kilari@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Get rid of qemu_rbd_parsename in favor of bdrv_parse_filename.
This simplifies a lot of the parsing as well, as we can treat everything
a bit simpler since nonexistent options are simply NULL pointers instead
of empty strings.
An important item to note:
Ceph has many extra option values that can be specified as key/value
pairs. This was handled previously in the driver by extracting the
values that the QEMU driver cared about, and then blindly passing all
extra options to rbd after splitting them into key/value pairs, and
cleaning up any special character escaping.
The practice is continued in this patch; there is an option
"keyvalue-pairs" that is populated with all the key/value pairs that the
QEMU driver does not care about. These key/value pairs will override
any settings in the 'conf' configuration file, just as they did before.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
This adds all the currently supported runtime opts, which
are the options as parsed from the filename. All of these
options are explicitly checked for during during runtime,
with an exception to the "keyvalue-pairs" option.
This option contains all the key/value pairs that the QEMU rbd
driver merely unescapes, and passes along blindly to rados. This
option is a "legacy" option, and will not be exposed in the QAPI
or available for introspection.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
This patch is prep work for parsing options for .bdrv_parse_filename,
and using QDict options.
The function qemu_rbd_next_tok() searched for various key/value pairs,
and copied them into buffers. This will soon be an unnecessary extra
step, so we will now return found strings by reference only, and
offload the responsibility for safely handling/coping these strings to
the caller.
This also cleans up error handling some, as the callers now rely on
the Error object to determine if there is a parse error.
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
virtio_mmio.h would be deleted; I am leaving it in though it was a
mistake to add it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The linux-headers/asm-arm/unistd.h file has been split in three
sub-files, copy them along. However, building them requires
setting ARCH rather than SRCARCH.
SRCARCH defaults to $(ARCH) anyway; to avoid future occurrence of
the same problem use ARCH for all architectures where SRCARCH=ARCH.
Currently these are all except x86, sparc, sh and tile.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20170221122920.16245-2-pbonzini@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The local variable 'nvic' in stm32f205_soc_realize() no longer
holds a direct pointer to the NVIC device; it is a pointer to
the ARMv7M container object. Rename it 'armv7m' accordingly.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1487604965-23220-12-git-send-email-peter.maydell@linaro.org
Switch the stm32f205 SoC to create the armv7m object directly
rather than via the armv7m_init() wrapper. This fits better
with the SoC model's very QOMified design.
In particular this means we can push loading the guest image
out to the top level board code where it belongs, rather
than the SoC object having a QOM property for the filename
to load.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1487604965-23220-11-git-send-email-peter.maydell@linaro.org
The SysTick timer isn't really part of the NVIC proper;
we just modelled it that way back when we couldn't
easily have devices that only occupied a small chunk
of a memory region. Split it out into its own device.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1487604965-23220-10-git-send-email-peter.maydell@linaro.org
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
The NVIC is a core v7M device that exists for all v7M CPUs;
put it under a CONFIG_ARM_V7M rather than hiding it under
CONFIG_STELLARIS.
(We'll use CONFIG_ARM_V7M for the SysTick device too
when we split it out of the NVIC.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1487604965-23220-9-git-send-email-peter.maydell@linaro.org
Instead of the bitband device doing a cpu_physical_memory_read/write,
make it take a MemoryRegion which specifies where it should be
accessing, and use address_space_read/write to access the
corresponding AddressSpace.
Since this entails pretty much a rewrite, convert away from
old_mmio in the process.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1487604965-23220-8-git-send-email-peter.maydell@linaro.org
Make the NVIC device expose a memory region for its users
to map, rather than mapping itself into the system memory
space on realize, and get the one user (the ARMv7M object)
to do this.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1487604965-23220-7-git-send-email-peter.maydell@linaro.org
Make the ARMv7M object take a memory region link which it uses
to wire up the bitband rather than having them always put
themselves in the system address space.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1487604965-23220-6-git-send-email-peter.maydell@linaro.org
Make the legacy armv7m_init() function use the newly QOMified
armv7m object rather than doing everything by hand.
We can return the armv7m object rather than the NVIC from
armv7m_init() because its interface to the rest of the
board (GPIOs, etc) is identical.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1487604965-23220-5-git-send-email-peter.maydell@linaro.org
Create a proper QOM object for the armv7m container, which
holds the CPU, the NVIC and the bitband regions.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1487604965-23220-4-git-send-email-peter.maydell@linaro.org
Move the NVICState struct definition into a header, so we can
embed it into other QOM objects like SoCs.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1487604965-23220-3-git-send-email-peter.maydell@linaro.org
Abstract the "load kernel" code out of armv7m_init() into its own
function. This includes the registration of the CPU reset function,
to parallel how we handle this for A profile cores.
We make the function public so that boards which choose to
directly instantiate an ARMv7M device object can call it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1487604965-23220-2-git-send-email-peter.maydell@linaro.org
* raspi2: implement RNG module
* raspi2: implement new SD card controller (but don't wire it up)
* sdhci: bugfixes for block transfers
* virt: fix cpu object reference leak
* Add missing fp_access_check() to aarch64 crypto instructions
* cputlb: Don't assume do_unassigned_access() never returns
* virt: Add a user option to disallow ITS instantiation
* i.MX timers: fix reset handling
* ARMv7M NVIC: rewrite to fix broken priority handling and masking
* exynos: Fix proper mapping of CPUs by providing real cluster ID
* exynos: Fix Linux kernel division by zero for PLLs
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20170228' into staging
target-arm queue:
* raspi2: implement RNG module
* raspi2: implement new SD card controller (but don't wire it up)
* sdhci: bugfixes for block transfers
* virt: fix cpu object reference leak
* Add missing fp_access_check() to aarch64 crypto instructions
* cputlb: Don't assume do_unassigned_access() never returns
* virt: Add a user option to disallow ITS instantiation
* i.MX timers: fix reset handling
* ARMv7M NVIC: rewrite to fix broken priority handling and masking
* exynos: Fix proper mapping of CPUs by providing real cluster ID
* exynos: Fix Linux kernel division by zero for PLLs
# gpg: Signature made Tue 28 Feb 2017 12:40:51 GMT
# gpg: using RSA key 0x3C2525ED14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg: aka "Peter Maydell <pmaydell@gmail.com>"
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20170228: (27 commits)
hw/arm/exynos: Fix proper mapping of CPUs by providing real cluster ID
hw/arm/exynos: Fix Linux kernel division by zero for PLLs
bcm2835_sdhost: add bcm2835 sdhost controller
armv7m: Allow SHCSR writes to change pending and active bits
armv7m: Raise correct kind of UsageFault for attempts to execute ARM code
armv7m: Check exception return consistency
armv7m: Extract "exception taken" code into functions
armv7m: VECTCLRACTIVE and VECTRESET are UNPREDICTABLE
armv7m: Simpler and faster exception start
armv7m: Remove unused armv7m_nvic_acknowledge_irq() return value
armv7m: Escalate exceptions to HardFault if necessary
arm: gic: Remove references to NVIC
armv7m: Fix condition check for taking exceptions
armv7m: Rewrite NVIC to not use any GIC code
armv7m: Implement reading and writing of PRIGROUP
armv7m: Rename nvic_state to NVICState
ARM i.MX timers: fix reset handling
hw/arm/virt: Add a user option to disallow ITS instantiation
cputlb: Don't assume do_unassigned_access() never returns
Add missing fp_access_check() to aarch64 crypto instructions
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Use the new debian-s390x-cross.docker target to cross compile for
s390.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20170227143028.16428-3-alex.bennee@linaro.org>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
