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Date:   Fri, 29 May 2020 21:18:03 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To:     Borislav Petkov <bp@alien8.de>
Cc:     linux-kernel@vger.kernel.org, x86@kernel.org,
        linux-sgx@vger.kernel.org, akpm@linux-foundation.org,
        dave.hansen@intel.com, sean.j.christopherson@intel.com,
        nhorman@redhat.com, npmccallum@redhat.com, haitao.huang@intel.com,
        andriy.shevchenko@linux.intel.com, tglx@linutronix.de,
        kai.svahn@intel.com, josh@joshtriplett.org, luto@kernel.org,
        kai.huang@intel.com, rientjes@google.com, cedric.xing@intel.com,
        puiterwijk@redhat.com, Jethro Beekman <jethro@fortanix.com>
Subject: Re: [PATCH v30 09/20] mm: Introduce vm_ops->may_mprotect()
Message-ID: <20200529181803.GA4990@linux.intel.com>
References: <20200515004410.723949-1-jarkko.sakkinen@linux.intel.com>
 <20200515004410.723949-10-jarkko.sakkinen@linux.intel.com>
 <20200529121038.GG9011@zn.tnic>
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On Fri, May 29, 2020 at 02:10:38PM +0200, Borislav Petkov wrote:
> On Fri, May 15, 2020 at 03:43:59AM +0300, Jarkko Sakkinen wrote:
> > From: Sean Christopherson <sean.j.christopherson@intel.com>
> > 
> > Add vm_ops()->may_mprotect() to check additional constrains set by a
> 
> "constraints"
> 
> > subsystem for a mprotect() call.
> > 
> > Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
> > Acked-by: Jethro Beekman <jethro@fortanix.com>
> > Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
> > ---
> >  include/linux/mm.h |  2 ++
> >  mm/mprotect.c      | 14 +++++++++++---
> >  2 files changed, 13 insertions(+), 3 deletions(-)
> 
> This needs an ACK from an mm person.

Good point. I'll add the needed cc's.

/Jarkko