提交: 20d549cb0b6c8a9df8690d8e97505aa785036472 - qemu (git)

Commit MetaInfo

• 修订版: 20d549cb0b6c8a9df8690d8e97505aa785036472 (tree)
• 时间: 2022-01-28 23:38:23
• 作者: Juan Quintela <quintela@redh...>
• Commiter: Juan Quintela

Log Message

migration: Remove masking for compression

Remove the mask in the call to ram_release_pages(). Nothing else does
it, and if the offset has that bits set, we have a lot of trouble.

Signed-off-by: Juan Quintela <[e-mail]>
Reviewed-by: Dr. David Alan Gilbert <[e-mail]>

更改概述

• modified: migration/ram.c

差异

--- a/migration/ram.c
+++ b/migration/ram.c
@@ -1340,7 +1340,7 @@ static bool do_compress_ram_page(QEMUFile *f, z_stream *stream, RAMBlock *block,
                                  ram_addr_t offset, uint8_t *source_buf)
 {
     RAMState *rs = ram_state;
-    uint8_t *p = block->host + (offset & TARGET_PAGE_MASK);
+    uint8_t *p = block->host + offset;
     bool zero_page = false;
     int ret;
 
@@ -1365,7 +1365,7 @@ static bool do_compress_ram_page(QEMUFile *f, z_stream *stream, RAMBlock *block,
     }
 
 exit:
-    ram_release_page(block->idstr, offset & TARGET_PAGE_MASK);
+    ram_release_page(block->idstr, offset);
     return zero_page;
 }