Re: [Qemu-devel] [PATCH v2] vl.c: Fix max_cpus

2012-07-30 Thread Dunrong Huang
2012/7/31 Stefan Hajnoczi : > On Wed, Jul 25, 2012 at 12:11 PM, wrote: >> From: Dunrong Huang >> >> The VCPU count limit in kernel now is 254, defined by KVM_MAX_VCPUS >> in kernel's header files. But the count limit in QEMU is 255, >> so QEMU will failed to start if user passes "-enable-kvm" an

Re: [Qemu-devel] [PATCH v2] vl.c: Fix max_cpus

2012-07-30 Thread Stefan Hajnoczi
On Wed, Jul 25, 2012 at 12:11 PM, wrote: > From: Dunrong Huang > > The VCPU count limit in kernel now is 254, defined by KVM_MAX_VCPUS > in kernel's header files. But the count limit in QEMU is 255, > so QEMU will failed to start if user passes "-enable-kvm" and "-smp 255" > to it. > > Exit QEMU

Re: [Qemu-devel] [PATCH v2] vl.c: Fix max_cpus

2012-07-30 Thread Peter Maydell
On 25 July 2012 12:11, wrote: > From: Dunrong Huang > > The VCPU count limit in kernel now is 254, defined by KVM_MAX_VCPUS > in kernel's header files. But the count limit in QEMU is 255, > so QEMU will failed to start if user passes "-enable-kvm" and "-smp 255" > to it. > > Exit QEMU with an er

[Qemu-devel] [PATCH v2] vl.c: Fix max_cpus

2012-07-25 Thread riegamaths
From: Dunrong Huang The VCPU count limit in kernel now is 254, defined by KVM_MAX_VCPUS in kernel's header files. But the count limit in QEMU is 255, so QEMU will failed to start if user passes "-enable-kvm" and "-smp 255" to it. Exit QEMU with an error if KVM is enabled and number of SMP cpus r