linux-kernel - Re: [PATCH v30 09/20] mm: Introduce vm_ops->may

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Message-ID: <20200529121038.GG9011@zn.tnic>
Date:   Fri, 29 May 2020 14:10:38 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org,
        linux-sgx@...r.kernel.org, akpm@...ux-foundation.org,
        dave.hansen@...el.com, sean.j.christopherson@...el.com,
        nhorman@...hat.com, npmccallum@...hat.com, haitao.huang@...el.com,
        andriy.shevchenko@...ux.intel.com, tglx@...utronix.de,
        kai.svahn@...el.com, josh@...htriplett.org, luto@...nel.org,
        kai.huang@...el.com, rientjes@...gle.com, cedric.xing@...el.com,
        puiterwijk@...hat.com, Jethro Beekman <jethro@...tanix.com>
Subject: Re: [PATCH v30 09/20] mm: Introduce vm_ops->may_mprotect()

On Fri, May 15, 2020 at 03:43:59AM +0300, Jarkko Sakkinen wrote:
> From: Sean Christopherson <sean.j.christopherson@...el.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@...el.com>
> Acked-by: Jethro Beekman <jethro@...tanix.com>
> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.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.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette