linux-kernel - Re: [RFC V2 PATCH 0/8] selftests: KVM: selftests for fd-based approach of supporting private memory

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Message-ID: <e4a84dfe-2397-0881-b6bd-1cb2b2d5904e@linuxfoundation.org>
Date:   Thu, 12 May 2022 12:04:19 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Vishal Annapurve <vannapurve@...gle.com>, x86@...nel.org,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Cc:     pbonzini@...hat.com, vkuznets@...hat.com, wanpengli@...cent.com,
        jmattson@...gle.com, joro@...tes.org, tglx@...utronix.de,
        mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
        hpa@...or.com, yang.zhong@...el.com, drjones@...hat.com,
        ricarkol@...gle.com, aaronlewis@...gle.com, wei.w.wang@...el.com,
        kirill.shutemov@...ux.intel.com, corbet@....net, hughd@...gle.com,
        jlayton@...nel.org, bfields@...ldses.org,
        akpm@...ux-foundation.org, chao.p.peng@...ux.intel.com,
        yu.c.zhang@...ux.intel.com, jun.nakajima@...el.com,
        dave.hansen@...el.com, michael.roth@....com, qperret@...gle.com,
        steven.price@....com, ak@...ux.intel.com, david@...hat.com,
        luto@...nel.org, vbabka@...e.cz, marcorr@...gle.com,
        erdemaktas@...gle.com, pgonda@...gle.com, nikunj@....com,
        seanjc@...gle.com, diviness@...gle.com,
        Shuah Khan <skhan@...uxfoundation.org>,
        shuah <shuah@...nel.org>
Subject: Re: [RFC V2 PATCH 0/8] selftests: KVM: selftests for fd-based
 approach of supporting private memory

On 5/10/22 6:08 PM, Vishal Annapurve wrote:
> This v2 series implements selftests targeting the feature floated by Chao
> via:
> https://lore.kernel.org/linux-mm/20220310140911.50924-1-chao.p.peng@linux.intel.com/
> 
> Below changes aim to test the fd based approach for guest private memory
> in context of normal (non-confidential) VMs executing on non-confidential
> platforms.
> 
> priv_memfd_test.c file adds a suite of selftests to access private memory
> from the guest via private/shared accesses and checking if the contents
> can be leaked to/accessed by vmm via shared memory view.
> 
> Updates in V2:
> 1) Tests are added to exercise implicit/explicit memory conversion paths.
> 2) Test is added to exercise UPM feature without double memory allocation.
> 

+ shuah <shuah@...nel.org>

Adding  my correct kernel.org address. Please make sure to run
get_maintainers.pl to get the right addresses for miantianers.

thanks,
-- Shuah