aboutsummaryrefslogtreecommitdiff
path: root/softmmu
diff options
context:
space:
mode:
Diffstat (limited to 'softmmu')
-rw-r--r--softmmu/memory.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/softmmu/memory.c b/softmmu/memory.c
index 342c121514..9ee4131d75 100644
--- a/softmmu/memory.c
+++ b/softmmu/memory.c
@@ -534,6 +534,7 @@ static MemTxResult access_with_adjusted_size(hwaddr addr,
unsigned access_size;
unsigned i;
MemTxResult r = MEMTX_OK;
+ bool reentrancy_guard_applied = false;
if (!access_size_min) {
access_size_min = 1;
@@ -552,6 +553,7 @@ static MemTxResult access_with_adjusted_size(hwaddr addr,
return MEMTX_ACCESS_ERROR;
}
mr->dev->mem_reentrancy_guard.engaged_in_io = true;
+ reentrancy_guard_applied = true;
}
/* FIXME: support unaligned access? */
@@ -568,7 +570,7 @@ static MemTxResult access_with_adjusted_size(hwaddr addr,
access_mask, attrs);
}
}
- if (mr->dev) {
+ if (mr->dev && reentrancy_guard_applied) {
mr->dev->mem_reentrancy_guard.engaged_in_io = false;
}
return r;