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| author | Alexander Graf <agraf@suse.de> | 2010-04-01 18:42:37 +0200 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2010-04-01 21:51:59 +0200 |
| commit | 0104dcacf374cb9ceff078e9470cc0cc5bb7c8ec (patch) | |
| tree | 79397f6bcbb18047a6c1a382a9a8ec42a5ccb648 | |
| parent | c92114b1fb9b8e3cd0ee503fbb2a4c96bd0e300c (diff) | |
| download | focaccia-qemu-0104dcacf374cb9ceff078e9470cc0cc5bb7c8ec.tar.gz focaccia-qemu-0104dcacf374cb9ceff078e9470cc0cc5bb7c8ec.zip | |
S390: Tell user why VM creation failed
The KVM kernel module on S390 refuses to create a VM when the switch_amode kernel parameter is not used. Since that is not exactly obvious, let's give the user a nice warning. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
| -rw-r--r-- | kvm-all.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kvm-all.c b/kvm-all.c index 6324635d3f..7aa5e57e88 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -607,8 +607,13 @@ int kvm_init(int smp_cpus) } s->vmfd = kvm_ioctl(s, KVM_CREATE_VM, 0); - if (s->vmfd < 0) + if (s->vmfd < 0) { +#ifdef TARGET_S390X + fprintf(stderr, "Please add the 'switch_amode' kernel parameter to " + "your host kernel command line\n"); +#endif goto err; + } /* initially, KVM allocated its own memory and we had to jump through * hooks to make phys_ram_base point to this. Modern versions of KVM |