On 20.05.25 12:28, Chenyi Qiang wrote:
As guest_memfd is now managed by RamBlockAttribute with
RamDiscardManager, only block uncoordinated discard.

Signed-off-by: Chenyi Qiang <chenyi.qi...@intel.com>
---
Changes in v5:
     - Revert to use RamDiscardManager.

Changes in v4:
     - Modify commit message (RamDiscardManager->PrivateSharedManager).

Changes in v3:
     - No change.

Changes in v2:
     - Change the ram_block_discard_require(false) to
       ram_block_coordinated_discard_require(false).
---
  system/physmem.c | 6 +++---
  1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/system/physmem.c b/system/physmem.c
index f05f7ff09a..58b7614660 100644
--- a/system/physmem.c
+++ b/system/physmem.c
@@ -1916,7 +1916,7 @@ static void ram_block_add(RAMBlock *new_block, Error 
**errp)
          }
          assert(new_block->guest_memfd < 0);
- ret = ram_block_discard_require(true);
+        ret = ram_block_coordinated_discard_require(true);
          if (ret < 0) {
              error_setg_errno(errp, -ret,
                               "cannot set up private guest memory: discard 
currently blocked");
@@ -1939,7 +1939,7 @@ static void ram_block_add(RAMBlock *new_block, Error 
**errp)
               * ever develops a need to check for errors.
               */
              close(new_block->guest_memfd);
-            ram_block_discard_require(false);
+            ram_block_coordinated_discard_require(false);
              qemu_mutex_unlock_ramlist();
              goto out_free;
          }
@@ -2302,7 +2302,7 @@ static void reclaim_ramblock(RAMBlock *block)
      if (block->guest_memfd >= 0) {
          ram_block_attribute_destroy(block->ram_shared);
          close(block->guest_memfd);
-        ram_block_discard_require(false);
+        ram_block_coordinated_discard_require(false);
      }
g_free(block);


I think this patch should be squashed into the previous one, then the story in that single patch is consistent.

--
Cheers,

David / dhildenb


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