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implement -no-user-config command-line option (v3) 

Changes v2 -> v3:
 - Rebase against latest qemu.git

Changes v1 -> v2:
 - Change 'userconfig' field/variables to bool instead of int
 - Coding style change

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Eduardo Habkost 2012-05-02 13:07:29 -03:00 committed by Anthony Liguori
parent 3ed2d9ee1f
commit f29a56147b
4 changed files with 27 additions and 8 deletions
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11
arch_init.c
View File

@ -114,19 +114,24 @@ const uint32_t arch_type = QEMU_ARCH;
static struct defconfig_file {
const char *filename;
/* Indicates it is an user config file (disabled by -no-user-config) */
bool userconfig;
} default_config_files[] = {
{ CONFIG_QEMU_CONFDIR "/qemu.conf" },
{ CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf" },
{ CONFIG_QEMU_CONFDIR "/qemu.conf", true },
{ CONFIG_QEMU_CONFDIR "/target-" TARGET_ARCH ".conf", true },
{ NULL }, /* end of list */
};
int qemu_read_default_config_files(void)
int qemu_read_default_config_files(bool userconfig)
{
int ret;
struct defconfig_file *f;
for (f = default_config_files; f->filename; f++) {
if (!userconfig && f->userconfig) {
continue;
}
ret = qemu_read_config_file(f->filename);
if (ret < 0 && ret != -ENOENT) {
return ret;

2
qemu-config.h
View File

@ -18,6 +18,6 @@ int qemu_read_config_file(const char *filename);
/* Read default Qemu config files
*/
int qemu_read_default_config_files(void);
int qemu_read_default_config_files(bool userconfig);
#endif /* QEMU_CONFIG_H */

16
qemu-options.hx
View File

@ -2685,9 +2685,19 @@ DEF("nodefconfig", 0, QEMU_OPTION_nodefconfig,
STEXI
@item -nodefconfig
@findex -nodefconfig
Normally QEMU loads a configuration file from @var{sysconfdir}/qemu.conf and
@var{sysconfdir}/target-@var{ARCH}.conf on startup. The @code{-nodefconfig}
option will prevent QEMU from loading these configuration files at startup.
Normally QEMU loads configuration files from @var{sysconfdir} and @var{datadir} at startup.
The @code{-nodefconfig} option will prevent QEMU from loading any of those config files.
ETEXI
DEF("no-user-config", 0, QEMU_OPTION_nouserconfig,
"-no-user-config\n"
" do not load user-provided config files at startup\n",
QEMU_ARCH_ALL)
STEXI
@item -no-user-config
@findex -no-user-config
The @code{-no-user-config} option makes QEMU not load any of the user-provided
config files on @var{sysconfdir}, but won't make it skip the QEMU-provided config
files from @var{datadir}.
ETEXI
DEF("trace", HAS_ARG, QEMU_OPTION_trace,
"-trace [events=<file>][,file=<file>]\n"

6
vl.c
View File

@ -2284,6 +2284,7 @@ int main(int argc, char **argv, char **envp)
int show_vnc_port = 0;
#endif
bool defconfig = true;
bool userconfig = true;
const char *log_mask = NULL;
const char *log_file = NULL;
GMemVTable mem_trace = {
@ -2352,13 +2353,16 @@ int main(int argc, char **argv, char **envp)
case QEMU_OPTION_nodefconfig:
defconfig = false;
break;
case QEMU_OPTION_nouserconfig:
userconfig = false;
break;
}
}
}
if (defconfig) {
int ret;
ret = qemu_read_default_config_files();
ret = qemu_read_default_config_files(userconfig);
if (ret < 0) {
exit(1);
}