linux-kernel - Re: [PATCH v38 17/24] x86/sgx: ptrace() support for the SGX driver

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Message-ID: <20200924115119.GD56811@linux.intel.com>
Date:   Thu, 24 Sep 2020 14:51:28 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     x86@...nel.org, linux-sgx@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jethro Beekman <jethro@...tanix.com>,
        akpm@...ux-foundation.org, andriy.shevchenko@...ux.intel.com,
        asapek@...gle.com, cedric.xing@...el.com, chenalexchen@...gle.com,
        conradparker@...gle.com, cyhanish@...gle.com,
        dave.hansen@...el.com, haitao.huang@...el.com,
        josh@...htriplett.org, kai.huang@...el.com, kai.svahn@...el.com,
        kmoy@...gle.com, ludloff@...gle.com, luto@...nel.org,
        nhorman@...hat.com, npmccallum@...hat.com, puiterwijk@...hat.com,
        rientjes@...gle.com, sean.j.christopherson@...el.com,
        tglx@...utronix.de, yaozhangx@...gle.com
Subject: Re: [PATCH v38 17/24] x86/sgx: ptrace() support for the SGX driver

On Wed, Sep 23, 2020 at 06:17:33PM +0200, Borislav Petkov wrote:
> > Add 'access' implementation to vm_ops with the help of these functions.
> 
> "Add an ->access virtual MM function for accessing the enclave's memory... "

Thank you. I wrote the last paragraph like this:

"Add an '->access' virtual function for accessing the enclave's memory
to vm_ops by using these functions. This allows to use ptrace() with
debug enclaves."

> -- 
> Regards/Gruss,
>     Boris.
> 
> https://people.kernel.org/tglx/notes-about-netiquette

/Jarkko