[libvirt] [PATCH 00/23] Better approach to add the "pvticketlocks" feature

[Peter Krempa]

On 10/14/13 14:57, Peter Krempa wrote:
> The paravirtual spinlock feature was introduced recently
> into the qemu and linux code base. To test it you need
> the most recent -rc version of the linux kernel and the
> git version of qemu.
> 
> As the requirements to activate this feature in the guest
> are really volatile (kernel support, qemu support .. .)
> I decided to improve the original version so that it detects
> if the feature was actually enabled in the guest. This
> avoids possible problems with breaking guest ABI when migrating
> between two hosts with different kernels. Additionally we may
> start enforcin other features too.
> 
> This patchset is partialy based on Jiri's work on getting
> actual cpu definition from a running qemu.
> 
> Jiri Denemark (8):
>   cpu: Add support for loading and storing CPU data
>   cpu: x86: Rename struct cpuX86cpuid as virCPUx86CPUID
>   cpu: x86: Rename struct cpuX86Data as virCPUx86Data
>   cpu: x86: Rename x86DataFree() as virCPUx86DataFree()
>   cpu: x86: Rename x86MakeCPUData as virCPUx86MakeData
>   cpu: x86: Rename x86DataAddCpuid as virCPUx86DataAddCPUID
>   cpu: Export few x86-specific APIs
>   qemu: Add monitor APIs to fetch CPUID data from QEMU
> 
> Peter Krempa (15):
>   schema: Rename option to make it reusable
>   conf: Clean up few error messages
>   qemu: command: Fix macro indentation
>   cpu: x86: Rename data_iterator and DATA_ITERATOR_INIT
>   cpu: x86: Fix return types of x86cpuidMatch and x86cpuidMatchMasked
>   cpu: x86: Fix function header formatting and whitespace
>   cpu: x86: Use whitespace to clarify context and use consistent labels
>   cpu: x86: Clean up error messages in x86VendorLoad()
>   qemu: Clean up check of maximum cpu count supported by a machine type
>   cpu_x86: Refactor storage of CPUID data to add support for KVM
>     features
>   cpu: x86: Parse the CPU feature map only once
>   cpu: x86: Add internal CPUID features support and KVM feature bits
>   conf: Refactor storing and usage of feature flags
>   qemu: Add support for paravirtual spinlocks in the guest
>   qemu: process: Validate specific CPUID flags of a guest

Eric's const correctnes series had multiple conflicts with this series.
I will repost it later today to avoid issues with applying these patches.

Peter


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