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[Qemu-devel] [PATCH v4 3/7] pc: reserve hotpluggable memory range with m
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [PATCH v4 3/7] pc: reserve hotpluggable memory range with memory_region_init_hva_range() |
Date: |
Thu, 9 Jul 2015 13:47:20 +0200 |
It makes sure that all hotplugged memory will be put in
continuos HVA range allowing to use 1:1 GVA<->HVA mapping.
1:1 mapping will be used by vhost to reduce number of memory
ranges for hotplugged memory to a single range that covers
all hotpluggable memory address space.
Signed-off-by: Igor Mammedov <address@hidden>
---
hw/i386/pc.c | 4 ++--
hw/mem/pc-dimm.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 7661ea9..75f73ec 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1373,8 +1373,8 @@ FWCfgState *pc_memory_init(MachineState *machine,
exit(EXIT_FAILURE);
}
- memory_region_init(&pcms->hotplug_memory.mr, OBJECT(pcms),
- "hotplug-memory", hotplug_mem_size);
+ memory_region_init_hva_range(&pcms->hotplug_memory.mr, OBJECT(pcms),
+ "hotplug-memory", hotplug_mem_size);
memory_region_add_subregion(system_memory, pcms->hotplug_memory.base,
&pcms->hotplug_memory.mr);
}
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index bb04862..cb98926 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -95,7 +95,7 @@ void pc_dimm_memory_plug(DeviceState *dev, MemoryHotplugState
*hpms,
goto out;
}
- memory_region_add_subregion(&hpms->mr, addr - hpms->base, mr);
+ memory_region_add_subregion_to_hva(&hpms->mr, addr - hpms->base, mr);
vmstate_register_ram(mr, dev);
numa_set_mem_node_id(addr, memory_region_size(mr), dimm->node);
--
1.8.3.1
- [Qemu-devel] [PATCH v4 4/7] pc: fix QEMU crashing when more than ~50 memory hotplugged, (continued)
- [Qemu-devel] [PATCH v4 4/7] pc: fix QEMU crashing when more than ~50 memory hotplugged, Igor Mammedov, 2015/07/09
- Re: [Qemu-devel] [PATCH v4 4/7] pc: fix QEMU crashing when more than ~50 memory hotplugged, Michael S. Tsirkin, 2015/07/09
- Re: [Qemu-devel] [PATCH v4 4/7] pc: fix QEMU crashing when more than ~50 memory hotplugged, Paolo Bonzini, 2015/07/09
- Re: [Qemu-devel] [PATCH v4 4/7] pc: fix QEMU crashing when more than ~50 memory hotplugged, Michael S. Tsirkin, 2015/07/09
- Re: [Qemu-devel] [PATCH v4 4/7] pc: fix QEMU crashing when more than ~50 memory hotplugged, Igor Mammedov, 2015/07/10
- Re: [Qemu-devel] [PATCH v4 4/7] pc: fix QEMU crashing when more than ~50 memory hotplugged, Michael S. Tsirkin, 2015/07/13
- Re: [Qemu-devel] [PATCH v4 4/7] pc: fix QEMU crashing when more than ~50 memory hotplugged, Igor Mammedov, 2015/07/13
- Re: [Qemu-devel] [PATCH v4 4/7] pc: fix QEMU crashing when more than ~50 memory hotplugged, Michael S. Tsirkin, 2015/07/13
- Re: [Qemu-devel] [PATCH v4 4/7] pc: fix QEMU crashing when more than ~50 memory hotplugged, Igor Mammedov, 2015/07/14
- Re: [Qemu-devel] [PATCH v4 4/7] pc: fix QEMU crashing when more than ~50 memory hotplugged, Michael S. Tsirkin, 2015/07/14
[Qemu-devel] [PATCH v4 3/7] pc: reserve hotpluggable memory range with memory_region_init_hva_range(),
Igor Mammedov <=
[Qemu-devel] [PATCH v4 6/7] exec: add qemu_ram_unmap_hva() API for unmapping memory from HVA area, Igor Mammedov, 2015/07/09
[Qemu-devel] [PATCH v4 2/7] memory: introduce MemoryRegion container with reserved HVA range, Igor Mammedov, 2015/07/09
[Qemu-devel] [PATCH v4 5/7] exec: make sure that RAMBlock descriptor won't be leaked, Igor Mammedov, 2015/07/09
[Qemu-devel] [PATCH v4 1/7] memory: get rid of memory_region_destructor_ram_from_ptr(), Igor Mammedov, 2015/07/09
[Qemu-devel] [PATCH v4 7/7] memory: add support for deleting HVA mapped MemoryRegion, Igor Mammedov, 2015/07/09
Re: [Qemu-devel] [PATCH v4 0/7] Fix QEMU crash during memory hotplug with vhost=on, Igor Mammedov, 2015/07/15