linux-kernel - Re: [PATCH v3] KVM: PPC: Enable CAP_SPAPR_TCE

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Message-ID: <174192385435.14370.11531277481779566442.b4-ty@linux.ibm.com>
Date: Fri, 14 Mar 2025 09:16:45 +0530
From: Madhavan Srinivasan <maddy@...ux.ibm.com>
To: Michael Ellerman <mpe@...erman.id.au>, Nicholas Piggin <npiggin@...il.com>,
        kvm-ppc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        Amit Machhiwal <amachhiw@...ux.ibm.com>
Cc: Vaibhav Jain <vaibhav@...ux.ibm.com>,
        Shivaprasad G Bhat <sbhat@...ux.ibm.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Naveen N Rao <naveen@...nel.org>, kvm@...r.kernel.org,
        stable@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Ritesh Harjani (IBM)" <ritesh.list@...il.com>
Subject: Re: [PATCH v3] KVM: PPC: Enable CAP_SPAPR_TCE_VFIO on pSeries KVM guests

On Thu, 20 Feb 2025 12:30:02 +0530, Amit Machhiwal wrote:
> Currently on book3s-hv, the capability KVM_CAP_SPAPR_TCE_VFIO is only
> available for KVM Guests running on PowerNV and not for the KVM guests
> running on pSeries hypervisors. This prevents a pSeries L2 guest from
> leveraging the in-kernel acceleration for H_PUT_TCE_INDIRECT and
> H_STUFF_TCE hcalls that results in slow startup times for large memory
> guests.
> 
> [...]

Applied to powerpc/next.

[1/1] KVM: PPC: Enable CAP_SPAPR_TCE_VFIO on pSeries KVM guests
      https://git.kernel.org/powerpc/c/b4392813bbc3b05fc01a33c64d8b8c6c62c32cfa

Thanks