| From 34974722fc54eb326f5af4153dfa7f73dd7f4d70 Mon Sep 17 00:00:00 2001 |
| From: Orit Wasserman <owasserm@redhat.com> |
| Date: Tue, 11 Feb 2014 15:32:35 +0100 |
| Subject: [PATCH 14/28] XBZRLE cache size should not be larger than guest memory size |
| |
| RH-Author: Orit Wasserman <owasserm@redhat.com> |
| Message-id: <1392132757-18587-2-git-send-email-owasserm@redhat.com> |
| Patchwork-id: 57209 |
| O-Subject: [RHEL7 qemu-kvm PATCH 1/3] XBZRLE cache size should not be larger than guest memory size |
| Bugzilla: 1047448 |
| RH-Acked-by: Dr. David Alan Gilbert (git) <dgilbert@redhat.com> |
| RH-Acked-by: Juan Quintela <quintela@redhat.com> |
| RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com> |
| |
| 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> |
| (cherry picked from commit a5615b14a66e86f620e90c8f4b3537c28bb328d4) |
| |
| migration.c | 7 +++++++ |
| 1 file changed, 7 insertions(+) |
| |
| Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com> |
| |
| migration.c | 7 +++++++ |
| 1 files changed, 7 insertions(+), 0 deletions(-) |
| |
| diff --git a/migration.c b/migration.c |
| index 6487fe2..b6de990 100644 |
| |
| |
| @@ -483,6 +483,13 @@ 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", |
| -- |
| 1.7.1 |
| |