diff mbox series

[V6,1/7] memory, exec: Expose all memory block related flags.

Message ID 1527840629-18648-2-git-send-email-junyan.he@gmx.com
State New
Headers show
Series nvdimm: guarantee persistence of QEMU writes to persistent memory | expand

Commit Message

Junyan He June 1, 2018, 8:10 a.m. UTC 
From: Junyan He <junyan.he@intel.com>

We need to use these flags in other files rather than just in exec.c,
For example, RAM_SHARED should be used when create a ram block from file.
We expose them the exec/memory.h

Signed-off-by: Junyan He <junyan.he@intel.com>
---
 exec.c                | 17 -----------------
 include/exec/memory.h | 17 +++++++++++++++++
 2 files changed, 17 insertions(+), 17 deletions(-)

Comments

Stefan Hajnoczi June 5, 2018, 11:38 a.m. UTC | #1 
On Fri, Jun 01, 2018 at 04:10:23PM +0800, junyan.he@gmx.com wrote:
> From: Junyan He <junyan.he@intel.com>
> 
> We need to use these flags in other files rather than just in exec.c,
> For example, RAM_SHARED should be used when create a ram block from file.
> We expose them the exec/memory.h
> 
> Signed-off-by: Junyan He <junyan.he@intel.com>
> ---
>  exec.c                | 17 -----------------
>  include/exec/memory.h | 17 +++++++++++++++++
>  2 files changed, 17 insertions(+), 17 deletions(-)

To other reviewers:
All of include/exec/memory.h is inside #ifndef CONFIG_USER_ONLY so the
ifdef situation hasn't changed (it's hard to tell from the patch
itself).

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
diff mbox series

Patch

diff --git a/exec.c b/exec.c
index c30f905..302c04b 100644
--- a/exec.c
+++ b/exec.c
@@ -87,23 +87,6 @@  AddressSpace address_space_memory;
 
 MemoryRegion io_mem_rom, io_mem_notdirty;
 static MemoryRegion io_mem_unassigned;
-
-/* RAM is pre-allocated and passed into qemu_ram_alloc_from_ptr */
-#define RAM_PREALLOC   (1 << 0)
-
-/* RAM is mmap-ed with MAP_SHARED */
-#define RAM_SHARED     (1 << 1)
-
-/* Only a portion of RAM (used_length) is actually used, and migrated.
- * This used_length size can change across reboots.
- */
-#define RAM_RESIZEABLE (1 << 2)
-
-/* UFFDIO_ZEROPAGE is available on this RAMBlock to atomically
- * zero the page and wake waiting processes.
- * (Set during postcopy)
- */
-#define RAM_UF_ZEROPAGE (1 << 3)
 #endif
 
 #ifdef TARGET_PAGE_BITS_VARY
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 67ea7fe..3da315e 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -102,6 +102,23 @@  struct IOMMUNotifier {
 };
 typedef struct IOMMUNotifier IOMMUNotifier;
 
+/* RAM is pre-allocated and passed into qemu_ram_alloc_from_ptr */
+#define RAM_PREALLOC   (1 << 0)
+
+/* RAM is mmap-ed with MAP_SHARED */
+#define RAM_SHARED     (1 << 1)
+
+/* Only a portion of RAM (used_length) is actually used, and migrated.
+ * This used_length size can change across reboots.
+ */
+#define RAM_RESIZEABLE (1 << 2)
+
+/* UFFDIO_ZEROPAGE is available on this RAMBlock to atomically
+ * zero the page and wake waiting processes.
+ * (Set during postcopy)
+ */
+#define RAM_UF_ZEROPAGE (1 << 3)
+
 static inline void iommu_notifier_init(IOMMUNotifier *n, IOMMUNotify fn,
                                        IOMMUNotifierFlag flags,
                                        hwaddr start, hwaddr end)