commit ec40be993b7b12b3f338ccf79f7eaaef6d1870f7
author Philippe Mathieu-Daudé <philmd@linaro.org> Wed Jun 12 14:05:33 2024 +0200
committer Philippe Mathieu-Daudé <philmd@linaro.org> Wed Jun 19 12:42:02 2024 +0200
tree 2d711a263acba07eebcb70035cd4b7a666f3024b
parent 80ce0d5874d60dac171ec9395a2aaba91a25c1c7

memory: Constify IOMMUTLBEvent in memory_region_notify_iommu_one()

@event access is read-only.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20240612132532.85928-2-philmd@linaro.org>

include/exec/memory.h

diff --git a/include/exec/memory.h b/include/exec/memory.h
index 1be58f6..2bf5e23 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -1852,7 +1852,7 @@
  *         range.
  */
 void memory_region_notify_iommu_one(IOMMUNotifier *notifier,
-                                    IOMMUTLBEvent *event);
+                                    const IOMMUTLBEvent *event);
 
 /**
  * memory_region_unmap_iommu_notifier_range: notify a unmap for an IOMMU

system/memory.c

diff --git a/system/memory.c b/system/memory.c
index 74cd73e..f3a37c9 100644
--- a/system/memory.c
+++ b/system/memory.c
@@ -2006,9 +2006,9 @@
 }
 
 void memory_region_notify_iommu_one(IOMMUNotifier *notifier,
-                                    IOMMUTLBEvent *event)
+                                    const IOMMUTLBEvent *event)
 {
-    IOMMUTLBEntry *entry = &event->entry;
+    const IOMMUTLBEntry *entry = &event->entry;
     hwaddr entry_end = entry->iova + entry->addr_mask;
     IOMMUTLBEntry tmp = *entry;