linux-kernel - Re: [PATCH RFC v9 47/51] iommu/amd: Add IOMMU_SNP

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Thu, 7 Sep 2023 17:31:35 +0700
From:   "Suthikulpanit, Suravee" <suravee.suthikulpanit@....com>
To:     Michael Roth <michael.roth@....com>, kvm@...r.kernel.org
Cc:     linux-coco@...ts.linux.dev, linux-mm@...ck.org,
        linux-crypto@...r.kernel.org, x86@...nel.org,
        linux-kernel@...r.kernel.org, tglx@...utronix.de, mingo@...hat.com,
        jroedel@...e.de, thomas.lendacky@....com, hpa@...or.com,
        ardb@...nel.org, pbonzini@...hat.com, seanjc@...gle.com,
        vkuznets@...hat.com, jmattson@...gle.com, luto@...nel.org,
        dave.hansen@...ux.intel.com, slp@...hat.com, pgonda@...gle.com,
        peterz@...radead.org, srinivas.pandruvada@...ux.intel.com,
        rientjes@...gle.com, dovmurik@...ux.ibm.com, tobin@....com,
        bp@...en8.de, vbabka@...e.cz, kirill@...temov.name,
        ak@...ux.intel.com, tony.luck@...el.com, marcorr@...gle.com,
        sathyanarayanan.kuppuswamy@...ux.intel.com, alpergun@...gle.com,
        dgilbert@...hat.com, jarkko@...nel.org, ashish.kalra@....com,
        nikunj.dadhania@....com, liam.merwick@...cle.com,
        zhi.a.wang@...el.com
Subject: Re: [PATCH RFC v9 47/51] iommu/amd: Add IOMMU_SNP_SHUTDOWN support

Mike / Ashish

FYI, you might need to start including the change from this patch

https://lore.kernel.org/linux-iommu/ZPiAUx9Qysw0AKNq@ziepe.ca/T/

in this series since Christoph would like to remove the code from the 
current upstream, and re-introduce the change within this series instead.

Regards,
Suravee

On 6/12/2023 11:25 AM, Michael Roth wrote:
> From: Ashish Kalra<ashish.kalra@....com>
> 
> Add a new IOMMU API interface amd_iommu_snp_disable() to transition
> IOMMU pages to Hypervisor state from Reclaim state after SNP_SHUTDOWN_EX
> command. Invoke this API from the CCP driver after SNP_SHUTDOWN_EX
> command.
> 
> Signed-off-by: Ashish Kalra<ashish.kalra@....com>
> Signed-off-by: Michael Roth<michael.roth@....com>