linux-kernel - Re: [PATCH v6 10/18] nitro_enclaves: Add logic for getting the enclave image load info

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Message-ID: <0ef970b1-eea2-916c-3546-fdc4f2595e99@amazon.com>
Date:   Tue, 11 Aug 2020 13:17:31 +0300
From:   "Paraschiv, Andra-Irina" <andraprs@...zon.com>
To:     Alexander Graf <graf@...zon.de>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Anthony Liguori <aliguori@...zon.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Colm MacCarthaigh <colmmacc@...zon.com>,
        "David Duncan" <davdunc@...zon.com>,
        Bjoern Doebel <doebel@...zon.de>,
        "David Woodhouse" <dwmw@...zon.co.uk>,
        Frank van der Linden <fllinden@...zon.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        Karen Noel <knoel@...hat.com>,
        "Martin Pohlack" <mpohlack@...zon.de>,
        Matt Wilson <msw@...zon.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Balbir Singh <sblbir@...zon.com>,
        Stefano Garzarella <sgarzare@...hat.com>,
        Stefan Hajnoczi <stefanha@...hat.com>,
        Stewart Smith <trawets@...zon.com>,
        Uwe Dannowski <uwed@...zon.de>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        kvm <kvm@...r.kernel.org>,
        ne-devel-upstream <ne-devel-upstream@...zon.com>
Subject: Re: [PATCH v6 10/18] nitro_enclaves: Add logic for getting the
 enclave image load info



On 10/08/2020 12:57, Alexander Graf wrote:
>
>
> On 05.08.20 11:10, Andra Paraschiv wrote:
>> Before setting the memory regions for the enclave, the enclave image
>> needs to be placed in memory. After the memory regions are set, this
>> memory cannot be used anymore by the VM, being carved out.
>>
>> Add ioctl command logic to get the offset in enclave memory where to
>> place the enclave image. Then the user space tooling copies the enclave
>> image in the memory using the given memory offset.
>>
>> Signed-off-by: Andra Paraschiv <andraprs@...zon.com>
>
> Reviewed-by: Alexander Graf <graf@...zon.com>

Thanks for review. I included the tag for this one and the next 2 patches.

Andra



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