From: Sean Christopherson <seanjc@google.com>
To: "Ritesh Harjani (IBM)" <ritesh.list@gmail.com>
Cc: kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>,
linuxppc-dev@lists.ozlabs.org,
Michael Ellerman <mpe@ellerman.id.au>,
Christophe Leroy <chleroy@kernel.org>,
Anushree Mathur <anushree.mathur@linux.ibm.com>,
Venkat Rao Bagalkote <venkat88@linux.ibm.com>,
Harsh Prateek Bora <harshpb@linux.ibm.com>,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Shrikanth Hegde <sshegde@linux.ibm.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 9/9] KVM: selftests: Move memslot_perf_test off the 256M ELF load address
Date: Fri, 2 Oct 2026 15:28:15 -0700 [thread overview]
Message-ID: <asAv__Gozv6r3QWt@google.com> (raw)
In-Reply-To: <55452f6b9bd1dc241d0a9a0781fbda1c2850d2ce.1790101179.git.ritesh.list@gmail.com>
On Tue, Sep 22, 2026, Ritesh Harjani (IBM) wrote:
> KVM selftests are built with -fno-PIE/-no-pie so the binary uses fixed
> load addresses.
> On powerpc64, GNU ld default links at 0x10000000 (256M) which is also
> the MEM_GPA, so the identity map trips with the error:
> PTE already present at level: 4 gva: 0x10000000 pte:0xc00000000002018f
>
> Put the test slots at 512M instead which is past the ELF.
> e.g. failure w/o this fix:
>
> ./memslot_perf_test -s 514
This, and any other adjustments/fixes to get common test functional on PPC needs
to land *before* the tests are enabled.
next prev parent reply other threads:[~2026-10-02 22:28 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-22 18:28 [PATCH v5 0/9] KVM: selftests: add powerpc support Ritesh Harjani (IBM)
2026-09-22 18:28 ` [PATCH v5 1/9] KVM: PPC: selftests: add support for powerpc Ritesh Harjani (IBM)
2026-10-02 22:12 ` Sean Christopherson
2026-09-22 18:28 ` [PATCH v5 2/9] KVM: selftests: Enable kvm_create_max_vcpus test " Ritesh Harjani (IBM)
2026-09-22 18:28 ` [PATCH v5 3/9] KVM: selftests: Don't limit LE dirty-bitmap bitops to s390x Ritesh Harjani (IBM)
2026-09-22 18:28 ` [PATCH v5 4/9] KVM: selftests: Split out a KVM_CREATE_VCPU helper that can fail Ritesh Harjani (IBM)
2026-09-22 18:28 ` [PATCH v5 5/9] KVM: selftests: Make kvm_create_max_vcpus tolerate ENOMEM Ritesh Harjani (IBM)
2026-10-02 22:16 ` Sean Christopherson
2026-10-03 5:45 ` Ritesh Harjani
2026-09-22 18:28 ` [PATCH v5 6/9] KVM: selftests: Limit the number of VM creates in hardware_disable_test Ritesh Harjani (IBM)
2026-10-02 22:19 ` Sean Christopherson
2026-10-03 6:01 ` Ritesh Harjani
2026-09-22 18:28 ` [PATCH v5 7/9] KVM: PPC: selftests: Make nested case on pseries LPARs as resource constrained Ritesh Harjani (IBM)
2026-09-22 18:28 ` [PATCH v5 8/9] KVM: PPC: selftests: Skip idle-page check when running nested on pseries LPAR Ritesh Harjani (IBM)
2026-09-22 18:28 ` [PATCH v5 9/9] KVM: selftests: Move memslot_perf_test off the 256M ELF load address Ritesh Harjani (IBM)
2026-10-02 22:28 ` Sean Christopherson [this message]
2026-09-29 1:35 ` [PATCH v5 0/9] KVM: selftests: add powerpc support Ritesh Harjani
2026-10-02 22:38 ` Sean Christopherson
2026-10-03 6:46 ` Ritesh Harjani
2026-09-29 5:49 ` Anushree Mathur
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