[qemu-xen staging-4.13] memory: Provide an equality function for MemoryRegionSections

[patchbot@xxxxxxx]

commit 42b6571357a083f721a27daa6dfdc69e4bd516bd
Author:     Dr. David Alan Gilbert <dgilbert@xxxxxxxxxx>
AuthorDate: Wed Aug 14 18:55:34 2019 +0100
Commit:     Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx>
CommitDate: Tue Nov 12 16:23:54 2019 -0600

    memory: Provide an equality function for MemoryRegionSections
    
    Provide a comparison function that checks all the fields are the same.
    
    Signed-off-by: Dr. David Alan Gilbert <dgilbert@xxxxxxxxxx>
    Reviewed-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>
    Message-Id: <20190814175535.2023-3-dgilbert@xxxxxxxxxx>
    Reviewed-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
    Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
    (cherry picked from commit 9366cf02e4e31c2a8128904d4d8290a0fad5f888)
    Signed-off-by: Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx>
---
 include/exec/memory.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/exec/memory.h b/include/exec/memory.h
index e28d79cc59..611a89122d 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -496,6 +496,18 @@ struct MemoryRegionSection {
     bool nonvolatile;
 };
 
+static inline bool MemoryRegionSection_eq(MemoryRegionSection *a,
+                                          MemoryRegionSection *b)
+{
+    return a->mr == b->mr &&
+           a->fv == b->fv &&
+           a->offset_within_region == b->offset_within_region &&
+           a->offset_within_address_space == b->offset_within_address_space &&
+           int128_eq(a->size, b->size) &&
+           a->readonly == b->readonly &&
+           a->nonvolatile == b->nonvolatile;
+}
+
 /**
  * memory_region_init: Initialize a memory region
  *
--
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