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Date:   Fri, 26 Jun 2020 01:26:45 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To:     Borislav Petkov <bp@alien8.de>
Cc:     x86@kernel.org, linux-sgx@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Sean Christopherson <sean.j.christopherson@intel.com>,
        Jethro Beekman <jethro@fortanix.com>,
        akpm@linux-foundation.org, andriy.shevchenko@linux.intel.com,
        asapek@google.com, cedric.xing@intel.com, chenalexchen@google.com,
        conradparker@google.com, cyhanish@google.com,
        dave.hansen@intel.com, haitao.huang@intel.com,
        josh@joshtriplett.org, kai.huang@intel.com, kai.svahn@intel.com,
        kmoy@google.com, ludloff@google.com, luto@kernel.org,
        nhorman@redhat.com, npmccallum@redhat.com, puiterwijk@redhat.com,
        rientjes@google.com, tglx@linutronix.de, yaozhangx@google.com,
        linux-mm@kvack.org
Subject: Re: [PATCH v33 10/21] mm: Introduce vm_ops->may_mprotect()
Message-ID: <20200625222645.GK20341@linux.intel.com>
References: <20200617220844.57423-1-jarkko.sakkinen@linux.intel.com>
 <20200617220844.57423-11-jarkko.sakkinen@linux.intel.com>
 <20200625171416.GI20319@zn.tnic>
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On Thu, Jun 25, 2020 at 07:14:16PM +0200, Borislav Petkov wrote:
> On Thu, Jun 18, 2020 at 01:08:32AM +0300, Jarkko Sakkinen wrote:
> > From: Sean Christopherson <sean.j.christopherson@intel.com>
> > 
> > Add vm_ops()->may_mprotect() to check additional constraints.
> > 
> > SGX uses this callback to add two constraints:
> > 
> > 1. Verify that the address range does not have holes: for each page
> >    address, there is an actual enclave page created.
> > 2. Mapped permissions do not surpass the lowest enclave page permissions
> >    in the address range.
> > 
> > linux-mm@kvack.org
> > Andrew Morton <akpm@linux-foundation.org>
> 
> Something ate the Cc:s. Lemme add the mm list, akpm is already on Cc.
> 
> Leaving in the rest for mm folks.

Thank you. So it seems. I've fixed them now.

/Jarkko