Re: [PATCH] qemu: Implement a stub cpuArchDriver.baseline() handler for arm

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On 03/03/2014 08:41 AM, Oleg Strikov wrote:
> Openstack Nova calls virConnectBaselineCPU() during initialization
> of the instance to get a full list of CPU features.
> This patch adds a stub to arm-specific code to handle
> this request (no actual work is done).
> 
> Signed-off-by: Oleg Strikov <oleg.strikov@xxxxxxxxxxxxx>
> ---
> 
> This is a port of the following aarch64-specific change:                         
> http://libvirt.org/git/?p=libvirt.git;a=commit;h=69fba97f631c26a322bf9f2949d05c4b7c60c58a
> Only function names were changed.
> 
> ---
>  src/cpu/cpu_arm.c |   25 ++++++++++++++++++++++++-
>  1 file changed, 24 insertions(+), 1 deletion(-)
> 
> diff --git a/src/cpu/cpu_arm.c b/src/cpu/cpu_arm.c
> index 5baff42..ec80b35 100644
> --- a/src/cpu/cpu_arm.c
> +++ b/src/cpu/cpu_arm.c
> @@ -86,6 +86,29 @@ ArmGuestData(virCPUDefPtr host ATTRIBUTE_UNUSED,
>      return VIR_CPU_COMPARE_IDENTICAL;
>  }
>  
> +static virCPUDefPtr
> +ArmBaseline(virCPUDefPtr *cpus,
> +            unsigned int ncpus ATTRIBUTE_UNUSED,
> +            const char **models ATTRIBUTE_UNUSED,
> +            unsigned int nmodels ATTRIBUTE_UNUSED,
> +            unsigned int flags)
> +{
> +    virCPUDefPtr cpu = NULL;
> +
> +    virCheckFlags(VIR_CONNECT_BASELINE_CPU_EXPAND_FEATURES, NULL);
> +
> +    if (VIR_ALLOC(cpu) < 0 ||
> +        VIR_STRDUP(cpu->model, cpus[0]->model) < 0) {
> +        virCPUDefFree(cpu);
> +        return NULL;
> +    }
> +
> +    cpu->type = VIR_CPU_TYPE_GUEST;
> +    cpu->match = VIR_CPU_MATCH_EXACT;
> +
> +    return cpu;
> +}
> +
>  struct cpuArchDriver cpuDriverArm = {
>      .name = "arm",
>      .arch = archs,
> @@ -96,7 +119,7 @@ struct cpuArchDriver cpuDriverArm = {
>      .free = ArmDataFree,
>      .nodeData = ArmNodeData,
>      .guestData = ArmGuestData,
> -    .baseline = NULL,
> +    .baseline = ArmBaseline,
>      .update = ArmUpdate,
>      .hasFeature = NULL,
>  };
> 

ACK and pushed.

Thanks,
Cole

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