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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <55ED74B3.3070202@redhat.com>
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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/