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[PATCH v3 4/6] migration: Remove masking for compression
From: |
Juan Quintela |
Subject: |
[PATCH v3 4/6] migration: Remove masking for compression |
Date: |
Tue, 11 Jan 2022 13:45:54 +0100 |
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 <quintela@redhat.com>
---
migration/ram.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/migration/ram.c b/migration/ram.c
index 881fe4974e..fa49d22e69 100644
--- 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;
}
--
2.34.1
- [PATCH v3 0/6] migration: misc cleanups, Juan Quintela, 2022/01/11
- [PATCH v3 1/6] migration: All this fields are unsigned, Juan Quintela, 2022/01/11
- [PATCH v3 2/6] migration: We only need last_stage in two places, Juan Quintela, 2022/01/11
- [PATCH v3 3/6] migration: ram_release_pages() always receive 1 page as argument, Juan Quintela, 2022/01/11
- [PATCH v3 4/6] migration: Remove masking for compression,
Juan Quintela <=
- [PATCH v3 5/6] migration: simplify do_compress_ram_page, Juan Quintela, 2022/01/11
- [PATCH v3 6/6] migration: Move ram_release_pages() call to save_zero_page_to_file(), Juan Quintela, 2022/01/11