Re: [PATCH v3] KVM: Resize kvm_io_range array dynamically

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On 2012-02-29 14:30, Amos Kong wrote:
> kvm_io_bus devices are used for ioevent, pit, pic, ioapic,
> coalesced_mmio.
> 
> Currently Qemu only emulates one PCI bus, it contains 32 slots,
> one slot contains 8 functions, maximum of supported PCI devices:
>  1 * 32 * 8 = 256. The maximum of coalesced mmio zone is 100,
> each zone has an iobus devices. 300 io_bus devices is not enough.
> 
> This patch makes the kvm_io_range array can be resized dynamically.

Is there any limit, or can userspace allocate arbitrary amounts of
kernel memory this way?

Jan

-- 
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
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