On 03/04/2010 02:00 AM, Jan Kiszka wrote:
> Commit 52b03dd702 incorrectly failed KVM initialization in case the
> kernel did not support KVM_CAP_SET_BOOT_CPU_ID. Fix this, and also
> improve error propagation of kvm_create_context at this chance.
>
> Signed-off-by: Jan Kiszka <[email protected]>
> ---
>
> OK, it really was me. :)
>
> qemu-kvm-x86.c | 9 +++++++--
> qemu-kvm.c | 4 +++-
> 2 files changed, 10 insertions(+), 3 deletions(-)
>
> diff --git a/qemu-kvm-x86.c b/qemu-kvm-x86.c
> index 7a5925a..7d42fdc 100644
> --- a/qemu-kvm-x86.c
> +++ b/qemu-kvm-x86.c
> @@ -672,7 +672,7 @@ static const VMStateDescription vmstate_kvmclock= {
>
> int kvm_arch_qemu_create_context(void)
> {
> - int i;
> + int i, r;
> struct utsname utsname;
>
> uname(&utsname);
> @@ -696,7 +696,12 @@ int kvm_arch_qemu_create_context(void)
> vmstate_register(0, &vmstate_kvmclock, &kvmclock_data);
> #endif
>
> - return kvm_set_boot_cpu_id(0);
> + r = kvm_set_boot_cpu_id(0);
> + if (r < 0 && r != -ENOSYS) {
> + return r;
> + }
> +
> + return 0;
> }
>
> static void set_msr_entry(struct kvm_msr_entry *entry, uint32_t index,
> diff --git a/qemu-kvm.c b/qemu-kvm.c
> index 222ca97..e417f21 100644
> --- a/qemu-kvm.c
> +++ b/qemu-kvm.c
> @@ -2091,8 +2091,10 @@ static int kvm_create_context(void)
> return -1;
> }
> r = kvm_arch_qemu_create_context();
> - if (r < 0)
> + if (r < 0) {
> kvm_finalize(kvm_state);
> + return -1;
> + }
> if (kvm_pit && !kvm_pit_reinject) {
> if (kvm_reinject_control(kvm_context, 0)) {
> fprintf(stderr, "failure to disable in-kernel PIT
> reinjection\n");
>
Works for me: FC12 host, FC12 guest.
David
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