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vmspawn: Use qemu config file for smp and memory

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Pass -no-user-config while we're at it to avoid loading qemu config
from /etc which is more likely to cause hard to debug issues rather
than do something useful.
This commit is contained in:
Daan De Meyer
2026-03-27 14:24:00 +01:00
committed by Daan De Meyer
parent fd1b84af98
commit 73c0a79789
1 changed files with 11 additions and 2 deletions
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13
src/vmspawn/vmspawn.c
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@@ -2308,6 +2308,16 @@ static int run_virtual_machine(int kvm_device_fd, int vhost_device_fd) {
return r;
}
r = qemu_config_section(config_file, "smp-opts", /* id= */ NULL,
"cpus", arg_cpus ?: "1");
if (r < 0)
return r;
r = qemu_config_section(config_file, "memory", /* id= */ NULL,
"size", mem);
if (r < 0)
return r;
r = qemu_config_section(config_file, "object", "rng0",
"qom-type", "rng-random",
"filename", "/dev/urandom");
@@ -2349,8 +2359,7 @@ static int run_virtual_machine(int kvm_device_fd, int vhost_device_fd) {
/* Start building the cmdline for items that must remain as command line arguments */
cmdline = strv_new(qemu_binary,
"-smp", arg_cpus ?: "1",
"-m", mem);
"-no-user-config");
if (!cmdline)
return log_oom();