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qemu_ram_block_from_host

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Postcopy sends RAMBlock names and offsets over the wire (since it can't
rely on the order of ramaddr being the same), and it starts out with
HVA fault addresses from the kernel.

qemu_ram_block_from_host translates a HVA into a RAMBlock, an offset
in the RAMBlock and the global ram_addr_t value.

Rewrite qemu_ram_addr_from_host to use qemu_ram_block_from_host.

Provide qemu_ram_get_idstr since its the actual name text sent on the
wire.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2015-11-05 18:10:32 +00:00 • committed by Juan Quintela
parent 87f50caa30
commit 422148d3e5
4 changed files with 49 additions and 11 deletions
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2
include/exec/ram_addr.h
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@ -22,8 +22,6 @@
#ifndef CONFIG_USER_ONLY
#include "hw/xen/xen.h"
typedef struct RAMBlock RAMBlock;
struct RAMBlock {
struct rcu_head rcu;
struct MemoryRegion *mr;