linux-kernel - Re: [PATCH] [v2] x86/sgx: Allow enclaves to use Asynchrounous Exit Notification

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Message-ID: <effbeeb0-6980-84e1-bb7e-75a279d6d834@intel.com>
Date:   Fri, 22 Jul 2022 12:14:42 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     Sean Christopherson <seanjc@...gle.com>
Cc:     Dave Hansen <dave.hansen@...ux.intel.com>, dave@...1.net,
        Jarkko Sakkinen <jarkko@...nel.org>,
        Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, Kai Huang <kai.huang@...el.com>,
        Haitao Huang <haitao.huang@...ux.intel.com>, x86@...nel.org,
        linux-sgx@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [v2] x86/sgx: Allow enclaves to use Asynchrounous Exit
 Notification

On 7/22/22 12:00, Sean Christopherson wrote:
> 		/*
> 		 * Assert that KVM explicitly allows or denies exposing all
> 		 * features, i.e. detect attempts to add kernel support without
> 		 * also updating KVM.
> 		 */
> 		BUILD_BUG_ON((KVM_SGX_ATTR_ALLOWED_MASK | KVM_SGX_ATTR_DENIED_MASK) !=
> 			     (SGX_ATTR_PRIV_MASK | SGX_ATTR_UNPRIV_MASK));

Looks good to me.  I'll do that for the next version.  Thanks!