While the make syntax itself uses tabs having a mixture of tabs and
spaces in the vm-help output make no sense and confuses things lining
up between terminal and editor. Fix that.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250108121054.1126164-29-alex.bennee@linaro.org>
We no longer need to go into the per-arch build directories to find
the build directories binary. Lets call it directly.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250108121054.1126164-28-alex.bennee@linaro.org>
The workaround applied in
commit c60473d292
Author: Alex Bennée <alex.bennee@linaro.org>
Date: Wed Oct 2 10:03:33 2024 +0200
testing: bump mips64el cross to bookworm and fix package list
Is no longer required since the affected builds are now fixed.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20241217133525.3836570-1-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250108121054.1126164-27-alex.bennee@linaro.org>
Although riscv64 isn't going to be a release architecture for trixie
the packages are still built while it is testing. Moving from sid will
also avoid some of the volatility we get from tracking the bleeding
edge.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250108121054.1126164-26-alex.bennee@linaro.org>
We will shortly need this to build our riscv64 cross container.
However to keep the delta down just do the bump first. As ccache4 is
now preferred for FreeBSD to get the latest version there is a little
update in the FreeBSD metadata.
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250108121054.1126164-25-alex.bennee@linaro.org>
Now that we have virtio-gpu Vulkan support, let's add a test for it.
Currently this is using images build by buildroot:
https://lists.buildroot.org/pipermail/buildroot/2024-December/768196.html
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250108121054.1126164-24-alex.bennee@linaro.org>
The correct usage is tracking and maintaining features in env->features[]
instead of manually set it in cpu_x86_cpuid().
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://lore.kernel.org/r/20241219110125.1266461-11-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Currently CPUID_HT is evaluated in cpu_x86_cpuid() each time. It's not a
correct usage of how feature bit is maintained and evaluated. The
expected practice is that features are tracked in env->features[] and
cpu_x86_cpuid() should be the consumer of env->features[].
Track CPUID_HT in env->features[FEAT_1_EDX] instead and evaluate it in
cpu's realizefn().
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://lore.kernel.org/r/20241219110125.1266461-10-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Now it changes to use env->topo_info.threads_per_core and doesn't depend
on qemu_init_vcpu() anymore. Put it together with other feature checks
before qemu_init_vcpu()
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://lore.kernel.org/r/20241219110125.1266461-8-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The name of nr_modules/nr_dies are ambiguous and they mislead people.
The purpose of them is to record and form the topology information. So
just maintain a X86CPUTopoInfo member in CPUX86State instead. Then
nr_modules and nr_dies can be dropped.
As the benefit, x86 can switch to use information in
CPUX86State::topo_info and get rid of the nr_cores and nr_threads in
CPUState. This helps remove the dependency on qemu_init_vcpu(), so that
x86 can get and use topology info earlier in x86_cpu_realizefn(); drop
the comment that highlighted the depedency.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://lore.kernel.org/r/20241219110125.1266461-7-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Introduce various helpers for getting the topology info of different
semantics. Using the helper is more self-explanatory.
Besides, the semantic of the helper will stay unchanged even when new
topology is added in the future. At that time, updating the
implementation of the helper without affecting the callers.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://lore.kernel.org/r/20241219110125.1266461-6-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Update the comment of x86_apicid_from_topo_ids() to match the current
implementation,
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20241219110125.1266461-5-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Local variable cores_per_pkg is only used to calculate threads_per_pkg.
No need for it. Drop it and open-code it instead.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20241219110125.1266461-4-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
No need to define smp_cores and smp_threads, just using ms->smp.cores
and ms->smp.threads is straightforward. It's also consistent with other
checks of socket/die/module.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20241219110125.1266461-3-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
There are duplicated code to setup the value of MSR_CORE_THREAD_COUNT.
Extract a common function for it.
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20241219110125.1266461-2-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
kvm_install_msr_filters() uses KVM_MSR_FILTER_MAX_RANGES as the bound
when traversing msr_handlers[], while other places still compute the
size by ARRAY_SIZE(msr_handlers).
In fact, msr_handlers[] is an array with the fixed size
KVM_MSR_FILTER_MAX_RANGES, and this has to be true because
kvm_install_msr_filters copies from one array to the other.
For code consistency, assert that they match and use
ARRAY_SIZE(msr_handlers) everywehere.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Currently, there're following incorrect error handling cases in
kvm_arch_init():
* Missed to handle failure of kvm_get_supported_feature_msrs().
* Missed to return when kvm_vm_enable_disable_exits() fails.
* MSR filter related cases called exit() directly instead of returning
to kvm_init(). (The caller of kvm_arch_init() - kvm_init() - needs to
know if kvm_arch_init() fails in order to perform cleanup).
Fix the above cases.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Zide Chen <zide.chen@intel.com>
Link: https://lore.kernel.org/r/20241106030728.553238-11-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It is common practice to return a negative value (like -1) to indicate
an error, and other functions in kvm_arch_init() follow this style.
To avoid confusion (sometimes returned -1 indicates failure, and
sometimes -1, in a same function), return -1 when
kvm_msr_energy_thread_init() fails.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Link: https://lore.kernel.org/r/20241106030728.553238-10-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Before commit 0cc42e63bb ("kvm/i386: refactor kvm_arch_init and split
it into smaller functions"), error_report() attempts to print the error
code from kvm_filter_msr(). However, printing error code does not work
due to kvm_filter_msr() returns bool instead int.
0cc42e63bb fixed the error by removing error code printing, but this
lost useful error messages. Bring it back by making kvm_filter_msr()
return int.
This also makes the function call chain processing clearer, allowing for
better handling of error result propagation from kvm_filter_msr() to
kvm_arch_init(), preparing for the subsequent cleanup work of error
handling in kvm_arch_init().
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Zide Chen <zide.chen@intel.com>
Link: https://lore.kernel.org/r/20241106030728.553238-9-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Update the comment to match the X86ConfidentialGuestClass
implementation.
Reported-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Pankaj Gupta <pankaj.gupta@amd.com>
Reviewed-by: Zide Chen <zide.chen@intel.com>
Link: https://lore.kernel.org/r/20241106030728.553238-8-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The KVM_X86_DISABLE_EXITS_HTL typo has been fixed in commit
77d361b13c ("linux-headers: Update to kernel mainline commit
b357bf602").
Drop the related workaround.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Zide Chen <zide.chen@intel.com>
Link: https://lore.kernel.org/r/20241106030728.553238-7-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
MSR_KVM_SYSTEM_TIME and MSR_KVM_WALL_CLOCK are attached with the (old)
kvmclock feature (KVM_FEATURE_CLOCKSOURCE).
So, just save/load them only when kvmclock (KVM_FEATURE_CLOCKSOURCE) is
enabled.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Zide Chen <zide.chen@intel.com>
Link: https://lore.kernel.org/r/20241106030728.553238-5-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
These 2 MSRs have been already defined in kvm_para.h (standard-headers/
asm-x86/kvm_para.h).
Remove QEMU local definitions to avoid duplication.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Zide Chen <zide.chen@intel.com>
Link: https://lore.kernel.org/r/20241106030728.553238-4-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add feature definitions for KVM_CPUID_FEATURES in CPUID (
CPUID[4000_0001].EAX and CPUID[4000_0001].EDX), to get rid of lots of
offset calculations.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Zide Chen <zide.chen@intel.com>
Link: https://lore.kernel.org/r/20241106030728.553238-3-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In x86_cpu_filter_features(), if host doesn't support AVX10, the
configured avx10_version should be marked as filtered regardless of
whether prefix is NULL or not.
Check prefix before warn_report() instead of checking for
have_filtered_features.
Cc: qemu-stable@nongnu.org
Fixes: commit bccfb846fd ("target/i386: add AVX10 feature and AVX10 version property")
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Tao Su <tao1.su@linux.intel.com>
Link: https://lore.kernel.org/r/20241106030728.553238-2-zhao1.liu@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Using a sextract or extract operation is only necessary if a
sign or zero extended value is needed. If not, a shift is
enough.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Because BT does not write back to the source operand, it can modify it to
ensure that one of the operands of TSTNE is a constant (after either gen_BT
or the optimizer's constant propagation). This produces better and more
optimizable TCG ops. For example, the sequence
movl $0x60013f, %ebx
btl %ecx, %ebx
becomes just
and_i32 tmp1,ecx,$0x1f dead: 1 2 pref=0xffff
shr_i32 tmp0,$0x60013f,tmp1 dead: 1 2 pref=0xffff
and_i32 tmp16,tmp0,$0x1 dead: 1 pref=0xbf80
On s390x, it can use four instructions to isolate bit 0 of 0x60013f >> (ecx & 31):
nilf %r12, 0x1f
lgfi %r11, 0x60013f
srlk %r12, %r11, 0(%r12)
nilf %r12, 1
Previously, it used five instructions to build 1 << (ecx & 31) and compute
TSTEQ, and also needed two more to construct the result of setcond:
nilf %r12, 0x1f
lghi %r11, 1
sllk %r12, %r11, 0(%r12)
lgfi %r9, 0x60013f
nrk %r0, %r12, %r9
lghi %r12, 0
locghilh %r12, 1
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The QEMU source archive is including the sources downloaded from crates.io
in both tarball form (in subprojects/packagecache) and expanded/patched
form (in the subprojects directory). The former is the more authoritative
form, as it has a hash that can be verified in the wrap file and checked
against the download URL, so keep that one only. This works also with
--disable-download; when building QEMU for the first time from the
tarball, Meson will print something like
Using proc-macro2-1-rs source from cache.
for each subproject, and then go on to extract the tarball and apply the
overlay or the patches in subprojects/packagefiles.
Reported-by: Michael Tokarev <mjt@tls.msk.ru>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2719
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The "concrete_class" field of InterfaceClass is only ever written, and as far
as I can tell is not particularly useful when debugging either; remove it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This matches cargo's own usage of "--cap-lints allow" when building
dependencies. The dummy changes to the .wrap files help Meson notice
that the subproject is out of date.
Also remove an unnecessary subprojects/unicode-ident-1-rs/meson.build file.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The ObjectDeref trait now provides all the magic that is required to fake
inheritance. Replace the "impl SysBusDevice" block of qemu_api::sysbus
with a trait, so that sysbus_init_irq() can be invoked as "self.init_irq()"
without any intermediate upcast.
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This is going to be fairly common. Using a custom procedural macro
provides better error messages and automatically finds the right
type.
Note that this is different from the same-named macro in the
derive_more crate. That one provides conversion from e.g. tuples
to enums with tuple variants, not from integers to enums.
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Generalize the CompileError tuple to an enum, that can be either an error
message or a parse error from syn.
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Leave IRQ and MMIO initialization to instance_post_init. In Rust the
two callbacks are more distinct, because only instance_post_init has a
fully initialized object available.
While at it, add a wrapper for sysbus_init_mmio so that accesses to
the SysBusDevice correctly use shared references.
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
There is no need to monkeypatch DeviceId::Luminary into the already-initialized
PL011State. Instead, now that we can define a class hierarchy, we can define
PL011Class and make device_id a field in there.
There is also no need anymore to have "Arm" as zero, so change DeviceId into a
wrapper for the array; all it does is provide an Index<hwaddr> implementation
because arrays can only be indexed by usize.
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Replace the customizable INSTANCE_FINALIZE with a generic function
that drops the Rust object.
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Convert derive_object to the same pattern of first making a
Result<proc_macro2::TokenStream, CompileError>, and then doing
.unwrap_or_else(Into::into) to support checking the validity of
the input. Add is_c_repr to check that all QOM structs include
a #[repr(C)] attribute.
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It is relatively common in the low-level qemu_api code to assert that
a field of a struct has a specific type; for example, it can be used
to ensure that the fields match what the qemu_api and C code expects
for safety.
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add a type that, together with the C function object_deinit, ensures the
correct drop order for QOM objects relative to their superclasses.
Right now it is not possible to implement the Drop trait for QOM classes
that are defined in Rust, as the drop() function would not be called when
the object goes away; instead what is called is ObjectImpl::INSTANCE_FINALIZE.
It would be nice for INSTANCE_FINALIZE to just drop the object, but this has
a problem: suppose you have
pub struct MySuperclass {
parent: DeviceState,
field: Box<MyData>,
...
}
impl Drop for MySuperclass {
...
}
pub struct MySubclass {
parent: MySuperclass,
...
}
and an instance_finalize implementation that is like
unsafe extern "C" fn drop_object<T: ObjectImpl>(obj: *mut Object) {
unsafe { std::ptr::drop_in_place(obj.cast::<T>()) }
}
When instance_finalize is called for MySubclass, it will walk the struct's
list of fields and call the drop method for MySuperclass. Then, object_deinit
recurses to the superclass and calls the same drop method again. This
will cause double-freeing of the Box<Data>.
What's happening here is that QOM wants to control the drop order of
MySuperclass and MySubclass's fields. To do so, the parent field must
be marked ManuallyDrop<>, which is quite ugly. Instead, add a wrapper
type ParentField<> that is specific to QOM. This hides the implementation
detail of *what* is special about the ParentField, and will also be easy
to check in the #[derive(Object)] macro.
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
rustc will check that every reachable #[cfg] matches a list of
the expected config names and values. Recent versions of rustc are
also complaining about #[cfg(test)], even if it is basically a standard
part of the language. So, always allow it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
- compression:
Shameer's fix for CONFIG_UADK build
Yuan Liu fixes for zero-page, QPL, qatzip
- multifd sync cleanups, prereq. for VFIO and postcopy work
- fixes for 9.2 regressions:
multifd with pre-9.0 -> post-9.1 migrations (#2720)
s390x migration (#2704)
- fix for assertions during paused migrations; rework of
late-block-activate logic (#2395, #686)
- fixes for compressed arrays creation and parsing, mostly affecting
s390x
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Merge tag 'migration-20250110-pull-request' of https://gitlab.com/farosas/qemu into staging
Migration pull request
- compression:
Shameer's fix for CONFIG_UADK build
Yuan Liu fixes for zero-page, QPL, qatzip
- multifd sync cleanups, prereq. for VFIO and postcopy work
- fixes for 9.2 regressions:
multifd with pre-9.0 -> post-9.1 migrations (#2720)
s390x migration (#2704)
- fix for assertions during paused migrations; rework of
late-block-activate logic (#2395, #686)
- fixes for compressed arrays creation and parsing, mostly affecting
s390x
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# gpg: using RSA key AA1B48B0A22326A5A4C364CFC798DC741BEC319D
# gpg: issuer "farosas@suse.de"
# gpg: Good signature from "Fabiano Rosas <farosas@suse.de>" [unknown]
# gpg: aka "Fabiano Almeida Rosas <fabiano.rosas@suse.com>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: AA1B 48B0 A223 26A5 A4C3 64CF C798 DC74 1BEC 319D
* tag 'migration-20250110-pull-request' of https://gitlab.com/farosas/qemu: (25 commits)
multifd: bugfix for incorrect migration data with qatzip compression
multifd: bugfix for incorrect migration data with QPL compression
multifd: bugfix for migration using compression methods
s390x: Fix CSS migration
migration: Fix arrays of pointers in JSON writer
migration: Dump correct JSON format for nullptr replacement
migration: Rename vmstate_info_nullptr
migration: Fix parsing of s390 stream
migration: Remove unused argument in vmsd_desc_field_end
migration: Add more error handling to analyze-migration.py
migration/block: Rewrite disk activation
migration/block: Fix possible race with block_inactive
migration/block: Apply late-block-active behavior to postcopy
migration/block: Make late-block-active the default
qmp/cont: Only activate disks if migration completed
migration: Add helper to get target runstate
migration/multifd: Fix compat with QEMU < 9.0
migration/multifd: Document the reason to sync for save_setup()
migration/multifd: Cleanup src flushes on condition check
migration/multifd: Remove sync processing on postcopy
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The set_machine and require_accelerator steps can bail early so move
those to the front of the test functions. While we are at it also
clean up some long lines when adding the vm arguments.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250108121054.1126164-23-alex.bennee@linaro.org>
The Alpine test boots from the CDROM so we don't --append a command
line. Drop the unused code.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250108121054.1126164-22-alex.bennee@linaro.org>
Use the utility functions to reduce code duplication.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250108121054.1126164-21-alex.bennee@linaro.org>
Rather than using the python library (which has a different API
anyway) lets just call the binary. zstdtools is already in out
qemu.yml so all test containers should have it around. Tests should
still use @skipIfMissingCommands('zstd') to gracefully handle when
only minimal dependencies have been installed.
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250108121054.1126164-20-alex.bennee@linaro.org>
We have proper detection of prompts now so we don't need to guess with
sleep() sprinkled through the test. The extra step of calling halt is
just to flush the final bits of the log (although the last line is
still missed).
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250108121054.1126164-19-alex.bennee@linaro.org>
