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authorPeter Maydell <peter.maydell@linaro.org>2016-10-10 15:19:20 +0100
committerPeter Maydell <peter.maydell@linaro.org>2016-10-10 15:19:20 +0100
commit0f183e679d85fec74fc83f35f973cf8e56d97861 (patch)
tree24ab65457f2b67288502b78e6f179e4ed695171b /util
parenta20fd901afdb453b8afc578a7be14703c3a36300 (diff)
parent9c7f3fcae714925153c4c5ada086ca4fcf6bbbd8 (diff)
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block layer patches # gpg: Signature made Mon 10 Oct 2016 12:33:14 BST # gpg: using RSA key 0x7F09B272C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" # Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6 * remotes/kevin/tags/for-upstream: dmg: Move libbz2 code to dmg-bz2.so module: Don't load the same module if requested multiple times scripts: Allow block module to not define BlockDriver block: Add qdev ID to DEVICE_TRAY_MOVED block-backend: Remember if attached device is non-qdev block: Add node name to BLOCK_IO_ERROR event block: Add bdrv_runtime_opts to query-command-line-options block: use aio_bh_schedule_oneshot async: add aio_bh_schedule_oneshot block: use bdrv_add_before_write_notifier Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'util')
-rw-r--r--util/module.c18
-rw-r--r--util/qemu-config.c2
2 files changed, 17 insertions, 3 deletions
diff --git a/util/module.c b/util/module.c
index a5f7fbd..c909737 100644
--- a/util/module.c
+++ b/util/module.c
@@ -163,14 +163,28 @@ void module_load_one(const char *prefix, const char *lib_name)
char *fname = NULL;
char *exec_dir;
char *dirs[3];
+ char *module_name;
int i = 0;
int ret;
+ static GHashTable *loaded_modules;
if (!g_module_supported()) {
fprintf(stderr, "Module is not supported by system.\n");
return;
}
+ if (!loaded_modules) {
+ loaded_modules = g_hash_table_new(g_str_hash, g_str_equal);
+ }
+
+ module_name = g_strdup_printf("%s%s", prefix, lib_name);
+
+ if (g_hash_table_lookup(loaded_modules, module_name)) {
+ g_free(module_name);
+ return;
+ }
+ g_hash_table_insert(loaded_modules, module_name, module_name);
+
exec_dir = qemu_get_exec_dir();
dirs[i++] = g_strdup_printf("%s", CONFIG_QEMU_MODDIR);
dirs[i++] = g_strdup_printf("%s/..", exec_dir ? : "");
@@ -180,8 +194,8 @@ void module_load_one(const char *prefix, const char *lib_name)
exec_dir = NULL;
for (i = 0; i < ARRAY_SIZE(dirs); i++) {
- fname = g_strdup_printf("%s/%s%s%s",
- dirs[i], prefix, lib_name, HOST_DSOSUF);
+ fname = g_strdup_printf("%s/%s%s",
+ dirs[i], module_name, HOST_DSOSUF);
ret = module_load_file(fname);
g_free(fname);
fname = NULL;
diff --git a/util/qemu-config.c b/util/qemu-config.c
index fb97307..5527100 100644
--- a/util/qemu-config.c
+++ b/util/qemu-config.c
@@ -6,7 +6,7 @@
#include "qmp-commands.h"
static QemuOptsList *vm_config_groups[48];
-static QemuOptsList *drive_config_groups[4];
+static QemuOptsList *drive_config_groups[5];
static QemuOptsList *find_list(QemuOptsList **lists, const char *group,
Error **errp)