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()
Date: Fri, 26 Jun 2020 01:26:45 +0300 [thread overview]
Message-ID: <20200625222645.GK20341@linux.intel.com> (raw)
In-Reply-To: <20200625171416.GI20319@zn.tnic>
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
prev parent reply other threads:[~2020-06-25 22:27 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200617220844.57423-1-jarkko.sakkinen@linux.intel.com>
2020-06-17 22:08 ` [PATCH v33 13/21] x86/sgx: Add a page reclaimer Jarkko Sakkinen
[not found] ` <20200617220844.57423-11-jarkko.sakkinen@linux.intel.com>
2020-06-25 17:14 ` [PATCH v33 10/21] mm: Introduce vm_ops->may_mprotect() Borislav Petkov
2020-06-25 17:30 ` Matthew Wilcox
2020-06-25 18:06 ` Sean Christopherson
2020-06-25 22:40 ` Jarkko Sakkinen
2020-06-25 22:26 ` Jarkko Sakkinen [this message]
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