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[Qemu-devel] [PATCH 5/8] XBZRLE cache size should not be larger than gue
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 5/8] XBZRLE cache size should not be larger than guest memory size |
Date: |
Tue, 4 Feb 2014 16:19:42 +0100 |
From: Orit Wasserman <address@hidden>
Signed-off-by: Orit Wasserman <address@hidden>
Signed-off-by: Juan Quintela <address@hidden>
---
migration.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/migration.c b/migration.c
index 46a7305..25add6f 100644
--- a/migration.c
+++ b/migration.c
@@ -479,6 +479,13 @@ void qmp_migrate_set_cache_size(int64_t value, Error
**errp)
return;
}
+ /* Cache should not be larger than guest ram size */
+ if (value > ram_bytes_total()) {
+ error_set(errp, QERR_INVALID_PARAMETER_VALUE, "cache size",
+ "exceeds guest ram size ");
+ return;
+ }
+
new_size = xbzrle_cache_resize(value);
if (new_size < 0) {
error_set(errp, QERR_INVALID_PARAMETER_VALUE, "cache size",
--
1.8.5.3
- [Qemu-devel] [PULL 0/8] migration queue, Juan Quintela, 2014/02/04
- [Qemu-devel] [PATCH 8/8] exec: fix ram_list dirty map optimization, Juan Quintela, 2014/02/04
- [Qemu-devel] [PATCH 4/8] migration:fix free XBZRLE decoded_buf wrong, Juan Quintela, 2014/02/04
- [Qemu-devel] [PATCH 6/8] Don't abort on out of memory when creating page cache, Juan Quintela, 2014/02/04
- [Qemu-devel] [PATCH 7/8] Don't abort on memory allocation error, Juan Quintela, 2014/02/04
- [Qemu-devel] [PATCH 5/8] XBZRLE cache size should not be larger than guest memory size,
Juan Quintela <=
- [Qemu-devel] [PATCH 3/8] Add check for cache size smaller than page size, Juan Quintela, 2014/02/04
- [Qemu-devel] [PATCH 1/8] vmstate: Make VMSTATE_STRUCT_POINTER take type, not ptr-to-type, Juan Quintela, 2014/02/04
- [Qemu-devel] [PATCH 2/8] Set xbzrle buffers to NULL after freeing them to avoid double free errors, Juan Quintela, 2014/02/04
- Re: [Qemu-devel] [PULL 0/8] migration queue, Juan Quintela, 2014/02/04