linux-kernel - Re: [PATCH v4 14/18] nitro_enclaves: Add Kconfig for the Nitro Enclaves driver

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Date:   Mon, 6 Jul 2020 16:50:23 +0300
From:   "Paraschiv, Andra-Irina" <andraprs@...zon.com>
To:     Alexander Graf <graf@...zon.de>, <linux-kernel@...r.kernel.org>
CC:     Anthony Liguori <aliguori@...zon.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Colm MacCarthaigh <colmmacc@...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>,
        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>, <kvm@...r.kernel.org>,
        <ne-devel-upstream@...zon.com>
Subject: Re: [PATCH v4 14/18] nitro_enclaves: Add Kconfig for the Nitro
 Enclaves driver



On 06/07/2020 14:28, Alexander Graf wrote:
>
>
> On 22.06.20 22:03, Andra Paraschiv wrote:
>> Signed-off-by: Andra Paraschiv <andraprs@...zon.com>
>> ---
>> Changelog
>>
>> v3 -> v4
>>
>> * Add PCI and SMP dependencies.
>>
>> v2 -> v3
>>
>> * Remove the GPL additional wording as SPDX-License-Identifier is
>>    already in place.
>>
>> v1 -> v2
>>
>> * Update path to Kconfig to match the drivers/virt/nitro_enclaves
>>    directory.
>> * Update help in Kconfig.
>> ---
>>   drivers/virt/Kconfig                |  2 ++
>>   drivers/virt/nitro_enclaves/Kconfig | 16 ++++++++++++++++
>>   2 files changed, 18 insertions(+)
>>   create mode 100644 drivers/virt/nitro_enclaves/Kconfig
>>
>> diff --git a/drivers/virt/Kconfig b/drivers/virt/Kconfig
>> index cbc1f25c79ab..80c5f9c16ec1 100644
>> --- a/drivers/virt/Kconfig
>> +++ b/drivers/virt/Kconfig
>> @@ -32,4 +32,6 @@ config FSL_HV_MANAGER
>>            partition shuts down.
>>     source "drivers/virt/vboxguest/Kconfig"
>> +
>> +source "drivers/virt/nitro_enclaves/Kconfig"
>>   endif
>> diff --git a/drivers/virt/nitro_enclaves/Kconfig 
>> b/drivers/virt/nitro_enclaves/Kconfig
>> new file mode 100644
>> index 000000000000..69e41aa2222d
>> --- /dev/null
>> +++ b/drivers/virt/nitro_enclaves/Kconfig
>> @@ -0,0 +1,16 @@
>> +# SPDX-License-Identifier: GPL-2.0
>> +#
>> +# Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights 
>> Reserved.
>> +
>> +# Amazon Nitro Enclaves (NE) support.
>> +# Nitro is a hypervisor that has been developed by Amazon.
>> +
>> +config NITRO_ENCLAVES
>> +    tristate "Nitro Enclaves Support"
>> +    depends on HOTPLUG_CPU && PCI && SMP
>
> Let's also depend on ARM64 || X86, so that we don't burden all of the 
> other archs that are not available in EC2 today with an additional 
> config option to think about.

Included the arch specs.

Thanks,
Andra



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