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Re: [qemu-s390x] [PATCH RFC 1/2] memory: make MemoryRegion alias migrata
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From: |
Paolo Bonzini |
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Subject: |
Re: [qemu-s390x] [PATCH RFC 1/2] memory: make MemoryRegion alias migratable |
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Date: |
Tue, 30 Jul 2019 15:34:54 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 |
On 30/07/19 15:25, Igor Mammedov wrote:
> I'd guess you've meant RAMBlocks instead of memory regions, if that's it
> then yes, every alias pointing to RAM backed memory region will have
> RAMBlock that's points to aliased part of aliased memory region.
The question is just, does it break migration from old QEMU to new QEMU
on x86 (which has plenty of RAM-backed aliases)? If not, explain that
in the commit message or in a code comment.
Paolo
[qemu-s390x] [PATCH RFC 2/2] s390: do not call memory_region_allocate_system_memory() multiple times, Igor Mammedov, 2019/07/29
Re: [qemu-s390x] [Qemu-devel] [PATCH RFC 0/2] s390: stop abusing memory_region_allocate_system_memory(), Cornelia Huck, 2019/07/29
Re: [qemu-s390x] [PATCH RFC 0/2] s390: stop abusing memory_region_allocate_system_memory(), Christian Borntraeger, 2019/07/30