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Re: [PATCH 8/9] KVM: VMX: introduce set_clear_2nd_exec_ctrl()

From Paolo Bonzini <pbonzini@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH 8/9] KVM: VMX: introduce set_clear_2nd_exec_ctrl()
Date 2015-09-07 13:30 +0200
Message-ID <q62My-47x-25@gated-at.bofh.it> (permalink)
References <pZMAO-1LC-5@gated-at.bofh.it> <pZMAO-1LC-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 21/08/2015 06:50, Xiao Guangrong wrote:
>  
> +static void set_clear_2nd_exec_ctrl(u32 ctrls, bool set)
> +{
> +	u32 exec_ctrl = vmcs_read32(SECONDARY_VM_EXEC_CONTROL);
> +
> +	if (set)
> +		exec_ctrl |= ctrls;
> +	else
> +		exec_ctrl &= ~ctrls;
> +
> +	vmcs_write32(SECONDARY_VM_EXEC_CONTROL, exec_ctrl);
> +}

The second argument is always true.  Do you have any plans for it?

Should we instead add functions like vmcs_or32 and vmcs_clear32?

Paolo
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Thread

[PATCH 0/9] KVM: x86: enable cflushopt/clwb/pcommit and simplify code Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2015-08-21 07:00 +0200
  [PATCH 9/9] KVM: VMX: drop rdtscp_enabled field Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2015-08-21 07:00 +0200
  [PATCH 8/9] KVM: VMX: introduce set_clear_2nd_exec_ctrl() Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2015-08-21 07:00 +0200
    Re: [PATCH 8/9] KVM: VMX: introduce set_clear_2nd_exec_ctrl() Paolo Bonzini <pbonzini@redhat.com> - 2015-09-07 13:30 +0200
      Re: [PATCH 8/9] KVM: VMX: introduce set_clear_2nd_exec_ctrl() Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2015-09-08 16:40 +0200
        Re: [PATCH 8/9] KVM: VMX: introduce set_clear_2nd_exec_ctrl() Paolo Bonzini <pbonzini@redhat.com> - 2015-09-08 22:40 +0200
  [PATCH 3/9] KVM: x86: add pcommit support Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2015-08-21 07:00 +0200
    Re: [PATCH 3/9] KVM: x86: add pcommit support Paolo Bonzini <pbonzini@redhat.com> - 2015-09-07 13:20 +0200
      Re: [PATCH 3/9] KVM: x86: add pcommit support Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2015-09-08 16:30 +0200
        Re: [PATCH 3/9] KVM: x86: add pcommit support Paolo Bonzini <pbonzini@redhat.com> - 2015-09-08 22:40 +0200
  [PATCH 1/9] KVM: MMU: fix use uninitialized value Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2015-08-21 07:00 +0200
  [PATCH 7/9] KVM: VMX: unify SECONDARY_VM_EXEC_CONTROL update Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2015-08-21 07:00 +0200
  [PATCH 4/9] KVM: VMX: drop rdtscp_enabled check in prepare_vmcs02() Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2015-08-21 07:00 +0200
  [PATCH 5/9] KVM: VMX: simplify rdtscp handling in vmx_cpuid_update() Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2015-08-21 07:00 +0200

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