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| author | Orit Wasserman <owasserm@redhat.com> | 2014-01-30 20:08:36 +0200 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2014-02-04 16:49:28 +0100 |
| commit | a5615b14a66e86f620e90c8f4b3537c28bb328d4 (patch) | |
| tree | 6e7c97d4af51888121a78b4dcc9547fee8093251 /migration.c | |
| parent | 905f26f2221e139ac0e7317ddac158c50f5cf876 (diff) | |
| download | qemu-a5615b14a66e86f620e90c8f4b3537c28bb328d4.tar.gz | |
XBZRLE cache size should not be larger than guest memory size
Signed-off-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'migration.c')
| -rw-r--r-- | migration.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/migration.c b/migration.c index 46a7305395..25add6f9e2 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", |