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authorIgor Mammedov2019-06-26 09:42:28 +0200
committerEduardo Habkost2019-07-05 22:08:03 +0200
commitcb79224b7e4b3d981c4080e60f20557739681000 (patch)
tree86804b57cede8e889f5f84d9f3b32813a70af706 /hw/core/numa.c
parenthppa: Delete unused hppa_cpu_list() function (diff)
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deprecate -mem-path fallback to anonymous RAM
Fallback might affect guest or worse whole host performance or functionality if backing file were used to share guest RAM with another process. Patch deprecates fallback so that we could remove it in future and ensure that QEMU will provide expected behavior and fail if it can't use user provided backing file. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20190626074228.11558-1-imammedo@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'hw/core/numa.c')
-rw-r--r--hw/core/numa.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/hw/core/numa.c b/hw/core/numa.c
index cb5fdbcb1e..dd5c6e2334 100644
--- a/hw/core/numa.c
+++ b/hw/core/numa.c
@@ -479,8 +479,10 @@ static void allocate_system_memory_nonnuma(MemoryRegion *mr, Object *owner,
if (mem_prealloc) {
exit(1);
}
- error_report("falling back to regular RAM allocation.");
-
+ warn_report("falling back to regular RAM allocation");
+ error_printf("This is deprecated. Make sure that -mem-path "
+ " specified path has sufficient resources to allocate"
+ " -m specified RAM amount");
/* Legacy behavior: if allocation failed, fall back to
* regular RAM allocation.
*/