Re: [PATCH v3 1/3] KVM: fix rcu usage warning in kvm_arch_vcpu_ioctl_set_sregs()

2011-01-27 Thread Avi Kivity
On 01/20/2011 05:27 PM, Marcelo Tosatti wrote: Before patch: real5m6.493s user3m57.847s sys 9m7.115s real5m1.750s user4m0.109s sys 9m10.192s After patch: real5m0.140s user3m57.956s sys 8m58.339s real4m56.314s user4m0.303s

Re: [PATCH v3 1/3] KVM: fix rcu usage warning in kvm_arch_vcpu_ioctl_set_sregs()

2011-01-26 Thread Xiao Guangrong
On 01/20/2011 11:27 PM, Marcelo Tosatti wrote: Sure :-), there is the simply test result of kernbench: Before patch: real5m6.493s user3m57.847s sys

Re: [PATCH v3 1/3] KVM: fix rcu usage warning in kvm_arch_vcpu_ioctl_set_sregs()

2011-01-20 Thread Marcelo Tosatti
On Thu, Jan 20, 2011 at 11:03:31AM +0800, Xiao Guangrong wrote: On 01/20/2011 02:13 AM, Marcelo Tosatti wrote: On Wed, Jan 19, 2011 at 01:16:23PM +0800, Xiao Guangrong wrote: On 01/12/2011 03:39 PM, Xiao Guangrong wrote: Fix: [ 1001.499596]

Re: [PATCH v3 1/3] KVM: fix rcu usage warning in kvm_arch_vcpu_ioctl_set_sregs()

2011-01-19 Thread Marcelo Tosatti
On Wed, Jan 19, 2011 at 01:16:23PM +0800, Xiao Guangrong wrote: On 01/12/2011 03:39 PM, Xiao Guangrong wrote: Fix: [ 1001.499596] === [ 1001.499599] [ INFO: suspicious rcu_dereference_check() usage. ] [ 1001.499601]

Re: [PATCH v3 1/3] KVM: fix rcu usage warning in kvm_arch_vcpu_ioctl_set_sregs()

2011-01-18 Thread Xiao Guangrong
On 01/12/2011 03:39 PM, Xiao Guangrong wrote: Fix: [ 1001.499596] === [ 1001.499599] [ INFO: suspicious rcu_dereference_check() usage. ] [ 1001.499601] --- [ 1001.499604]

[PATCH v3 1/3] KVM: fix rcu usage warning in kvm_arch_vcpu_ioctl_set_sregs()

2011-01-11 Thread Xiao Guangrong
Fix: [ 1001.499596] === [ 1001.499599] [ INFO: suspicious rcu_dereference_check() usage. ] [ 1001.499601] --- [ 1001.499604] include/linux/kvm_host.h:301 invoked rcu_dereference_check() without