Re: [Qemu-devel] Why I advise against using ivshmem

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Re: [Qemu-devel] Why I advise against using ivshmem

From:	Olivier MATZ
Subject:	Re: [Qemu-devel] Why I advise against using ivshmem
Date:	Fri, 13 Jun 2014 11:48:11 +0200
User-agent:	Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Icedove/24.4.0

Hello,

On 06/13/2014 11:26 AM, Vincent JARDIN wrote:

ivhsmem does not require hugetlbfs. It is optional.

 > * it doesn't require ivshmem (it does require shared memory, which
 > will also be added to 2.1)


Right, hugetlbfs is not required. A posix shared memory or tmpfs
can be used instead. For instance, to use /dev/shm/foobar:

  qemu-system-x86_64 -enable-kvm -cpu host [...] \
     -device ivshmem,size=16,shm=foobar


Regards,
Olivier

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Re: [Qemu-devel] Why I advise against using ivshmem, (continued)
- Re: [Qemu-devel] Using virtio for inter-VM communication, Rusty Russell, 2014/06/11
  - Re: [Qemu-devel] Using virtio for inter-VM communication, Jan Kiszka, 2014/06/12
    - Re: [Qemu-devel] Using virtio for inter-VM communication, Rusty Russell, 2014/06/12
    - Re: [Qemu-devel] Using virtio for inter-VM communication, Jan Kiszka, 2014/06/13
    - Re: [Qemu-devel] Using virtio for inter-VM communication, Paolo Bonzini, 2014/06/13
    - Re: [Qemu-devel] Using virtio for inter-VM communication, Jan Kiszka, 2014/06/15
    - Re: [Qemu-devel] Using virtio for inter-VM communication, Paolo Bonzini, 2014/06/17
    - Re: [Qemu-devel] Using virtio for inter-VM communication, Jan Kiszka, 2014/06/17

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