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[Qemu-devel] [PATCH V3 4/5] exec, memory: Call to xen_modified_memory.
From: |
Anthony PERARD |
Subject: |
[Qemu-devel] [PATCH V3 4/5] exec, memory: Call to xen_modified_memory. |
Date: |
Thu, 20 Sep 2012 12:12:53 +0100 |
This patch add some calls to xen_modified_memory to notify Xen about dirtybits
during migration.
Signed-off-by: Anthony PERARD <address@hidden>
---
exec.c | 1 +
memory.c | 2 ++
2 files changed, 3 insertions(+)
diff --git a/exec.c b/exec.c
index 209ac1c..844a73c 100644
--- a/exec.c
+++ b/exec.c
@@ -3429,6 +3429,7 @@ static void invalidate_and_set_dirty(target_phys_addr_t
addr,
/* set dirty bit */
cpu_physical_memory_set_dirty_flags(addr, (0xff & ~CODE_DIRTY_FLAG));
}
+ xen_modified_memory(addr, length);
}
void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
diff --git a/memory.c b/memory.c
index 4f3ade0..015c544 100644
--- a/memory.c
+++ b/memory.c
@@ -19,6 +19,7 @@
#include "bitops.h"
#include "kvm.h"
#include <assert.h>
+#include "hw/xen.h"
#define WANT_EXEC_OBSOLETE
#include "exec-obsolete.h"
@@ -1077,6 +1078,7 @@ void memory_region_set_dirty(MemoryRegion *mr,
target_phys_addr_t addr,
target_phys_addr_t size)
{
assert(mr->terminates);
+ xen_modified_memory(mr->ram_addr + addr, size);
return cpu_physical_memory_set_dirty_range(mr->ram_addr + addr, size, -1);
}
--
Anthony PERARD
- [Qemu-devel] [PATCH V3 0/5] Xen, introducing dirty log for migration., Anthony PERARD, 2012/09/20
- [Qemu-devel] [PATCH V3 4/5] exec, memory: Call to xen_modified_memory.,
Anthony PERARD <=
- [Qemu-devel] [PATCH V3 2/5] xen: Introduce xen_modified_memory., Anthony PERARD, 2012/09/20
- [Qemu-devel] [PATCH V3 5/5] xen: Set the vram dirty when an error occur., Anthony PERARD, 2012/09/20
- [Qemu-devel] [PATCH V3 1/5] QMP, Introduce xen-set-global-dirty-log command., Anthony PERARD, 2012/09/20
- [Qemu-devel] [PATCH V3 3/5] exec: Introduce helper to set dirty flags., Anthony PERARD, 2012/09/20