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Re: [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBack
From: |
Hu Tao |
Subject: |
Re: [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBackend |
Date: |
Tue, 10 Jun 2014 16:30:06 +0800 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Tue, Jun 10, 2014 at 01:09:32AM -0400, Paolo Bonzini wrote:
>
> > > > +#define TYPE_MEMORY_BACKEND_FILE "memory-backend-file"
> > > how about naming it after what it really is? "memory-backend-hugepage"
> > > Later we could split it into generic superclass mmap-ed
> > > "memory-backend-file" and have TPH specific code moved into this backend.
> >
> > OK.
>
> Actually I don't think there's anything hugepage-specific in this backend
> (except perhaps passing a path instead of a filename). It could be used
> with a tmpfs backing storage like /dev/shm.
What's the point compared to memory-backend-ram?
Igor suggested memory-backend-file be compiled only for Linux. Does this mean
memory-backend-file shuold be compiled also for systems supporting tmpfs
or like?
Regards,
Hu
- [Qemu-devel] [PATCH v4 14/29] memory: move mem_path handling to memory_region_allocate_system_memory, (continued)
- [Qemu-devel] [PATCH v4 14/29] memory: move mem_path handling to memory_region_allocate_system_memory, Hu Tao, 2014/06/09
- [Qemu-devel] [PATCH v4 15/29] memory: add error propagation to file-based RAM allocation, Hu Tao, 2014/06/09
- [Qemu-devel] [PATCH v4 16/29] memory: move preallocation code out of exec.c, Hu Tao, 2014/06/09
- [Qemu-devel] [PATCH v4 17/29] memory: move RAM_PREALLOC_MASK to exec.c, rename, Hu Tao, 2014/06/09
- [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBackend, Hu Tao, 2014/06/09
- Re: [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBackend, Igor Mammedov, 2014/06/09
- Re: [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBackend, Hu Tao, 2014/06/09
- Re: [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBackend, Paolo Bonzini, 2014/06/10
- Re: [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBackend,
Hu Tao <=
- Re: [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBackend, Paolo Bonzini, 2014/06/10
- Re: [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBackend, Hu Tao, 2014/06/10
- Re: [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBackend, Michael S. Tsirkin, 2014/06/10
- Re: [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBackend, Paolo Bonzini, 2014/06/10
- Re: [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBackend, Michael S. Tsirkin, 2014/06/10
- Re: [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBackend, Paolo Bonzini, 2014/06/10
- Re: [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBackend, Michael S. Tsirkin, 2014/06/10
- Re: [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBackend, Paolo Bonzini, 2014/06/10
- Re: [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBackend, Michael S. Tsirkin, 2014/06/10
- Re: [Qemu-devel] [PATCH v4 18/29] hostmem: add file-based HostMemoryBackend, Paolo Bonzini, 2014/06/10