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[Qemu-devel] [PULL 5/6] RAMBlocks: qemu_ram_is_shared
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PULL 5/6] RAMBlocks: qemu_ram_is_shared |
Date: |
Thu, 16 Mar 2017 10:01:40 +0100 |
From: "Dr. David Alan Gilbert" <address@hidden>
Provide a helper to say whether a RAMBlock was created as a
shared mapping.
Signed-off-by: Dr. David Alan Gilbert <address@hidden>
Reviewed-by: Juan Quintela <address@hidden>
Signed-off-by: Juan Quintela <address@hidden>
---
exec.c | 5 +++++
include/exec/cpu-common.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/exec.c b/exec.c
index a22f5a0..e57a8a2 100644
--- a/exec.c
+++ b/exec.c
@@ -1561,6 +1561,11 @@ const char *qemu_ram_get_idstr(RAMBlock *rb)
return rb->idstr;
}
+bool qemu_ram_is_shared(RAMBlock *rb)
+{
+ return rb->flags & RAM_SHARED;
+}
+
/* Called with iothread lock held. */
void qemu_ram_set_idstr(RAMBlock *new_block, const char *name, DeviceState
*dev)
{
diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index b62f0d8..4d45a72 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -69,6 +69,7 @@ RAMBlock *qemu_ram_block_from_host(void *ptr, bool
round_offset,
void qemu_ram_set_idstr(RAMBlock *block, const char *name, DeviceState *dev);
void qemu_ram_unset_idstr(RAMBlock *block);
const char *qemu_ram_get_idstr(RAMBlock *rb);
+bool qemu_ram_is_shared(RAMBlock *rb);
size_t qemu_ram_pagesize(RAMBlock *block);
size_t qemu_ram_pagesize_largest(void);
--
2.9.3
- [Qemu-devel] [PULL 0/6] Migration fixes, Juan Quintela, 2017/03/16
- [Qemu-devel] [PULL 1/6] Change the method to calculate dirty-pages-rate, Juan Quintela, 2017/03/16
- [Qemu-devel] [PULL 4/6] vmstate: fix failed iotests case 68 and 91, Juan Quintela, 2017/03/16
- [Qemu-devel] [PULL 5/6] RAMBlocks: qemu_ram_is_shared,
Juan Quintela <=
- [Qemu-devel] [PULL 3/6] migration/block: Avoid invoking blk_drain too frequently, Juan Quintela, 2017/03/16
- [Qemu-devel] [PULL 2/6] migration: use "" as the default for tls-creds/hostname, Juan Quintela, 2017/03/16
- [Qemu-devel] [PULL 6/6] postcopy: Check for shared memory, Juan Quintela, 2017/03/16
- Re: [Qemu-devel] [PULL 0/6] Migration fixes, Peter Maydell, 2017/03/16