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Re: [Qemu-devel] [PATCH v3 0/9] Add memfd memory backend
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From: |
Daniel P. Berrange |
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Subject: |
Re: [Qemu-devel] [PATCH v3 0/9] Add memfd memory backend |
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Date: |
Fri, 2 Jun 2017 15:24:45 +0100 |
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User-agent: |
Mutt/1.8.0 (2017-02-23) |
On Fri, Jun 02, 2017 at 06:12:20PM +0400, Marc-André Lureau wrote:
> Add a new Linux-specific memory backend, similar to hostmem-file,
> except that it doesn't need file path. It also try to enforce memory
> sealing if available. It is thus slightly easier and secure, and is
> compatible with transparent huge-pages since Linux 4.8.
What about explicit huge pages ? They are the key scenario scenario where
libvirt uses hostmem-file. AFAICT, there's no way to request explicit
huge pages with memfd_create() syscall :-(
Regards,
Daniel
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- [Qemu-devel] [PATCH v3 2/9] exec: split file_ram_alloc(), (continued)
- [Qemu-devel] [PATCH v3 2/9] exec: split file_ram_alloc(), Marc-André Lureau, 2017/06/02
- [Qemu-devel] [PATCH v3 3/9] exec: split qemu_ram_alloc_from_file(), Marc-André Lureau, 2017/06/02
- [Qemu-devel] [PATCH v3 4/9] Add memory_region_init_ram_from_fd(), Marc-André Lureau, 2017/06/02
- [Qemu-devel] [PATCH v3 5/9] ivshmem: use ram_from_fd(), Marc-André Lureau, 2017/06/02
- [Qemu-devel] [PATCH v3 6/9] memory: remove memory_region_set_fd, Marc-André Lureau, 2017/06/02
- [Qemu-devel] [PATCH v3 7/9] memfd: split qemu_memfd_alloc(), Marc-André Lureau, 2017/06/02
- [Qemu-devel] [PATCH v3 8/9] Add memfd based hostmem, Marc-André Lureau, 2017/06/02
- [Qemu-devel] [PATCH v3 9/9] tests: use memfd in vhost-user-test, Marc-André Lureau, 2017/06/02
- Re: [Qemu-devel] [PATCH v3 0/9] Add memfd memory backend,
Daniel P. Berrange <=