From: Paolo Bonzini <pbonzini@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm@vger.kernel.org, gleb@redhat.com
Subject: Re: [uq/master patch 2/2] kvm-all.c: max_cpus should not exceed KVM vcpu limit
Date: Tue, 20 Aug 2013 18:44:18 +0200 [thread overview]
Message-ID: <52139CE2.6020604@redhat.com> (raw)
In-Reply-To: <20130812195730.363325196@redhat.com>
Il 12/08/2013 21:56, Marcelo Tosatti ha scritto:
> maxcpus, which specifies the maximum number of hotpluggable CPUs,
> should not exceed KVM's vcpu limit.
>
> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
>
> Index: qemu/kvm-all.c
> ===================================================================
> --- qemu.orig/kvm-all.c
> +++ qemu/kvm-all.c
> @@ -1391,6 +1391,13 @@ int kvm_init(void)
> goto err;
> }
>
> + if (max_cpus > max_vcpus) {
> + ret = -EINVAL;
> + fprintf(stderr, "Number of max_cpus requested (%d) exceeds max cpus "
> + "supported by KVM (%d)\n", max_cpus, max_vcpus);
> + goto err;
> + }
> +
> s->vmfd = kvm_ioctl(s, KVM_CREATE_VM, 0);
> if (s->vmfd < 0) {
> #ifdef TARGET_S390X
>
>
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
I applied this patch to uq/master. Thanks,
Paolo
prev parent reply other threads:[~2013-08-20 16:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-12 19:56 [uq/master patch 0/2] kvm max vcpu limit fixes Marcelo Tosatti
2013-08-12 19:56 ` [uq/master patch 1/2] kvm-all.c: use recommended max vcpus limit Marcelo Tosatti
2013-08-18 15:28 ` Paolo Bonzini
2013-08-18 16:15 ` Marcelo Tosatti
2013-08-12 19:56 ` [uq/master patch 2/2] kvm-all.c: max_cpus should not exceed KVM vcpu limit Marcelo Tosatti
2013-08-20 16:44 ` Paolo Bonzini [this message]
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