linux-kernel - Re: [PATCH 8/9] KVM: VMX: introduce set_clear_2nd_exec

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Date:	Mon, 7 Sep 2015 13:27:47 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Xiao Guangrong <guangrong.xiao@...ux.intel.com>
Cc:	gleb@...nel.org, mtosatti@...hat.com, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 8/9] KVM: VMX: introduce set_clear_2nd_exec_ctrl()



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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