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Fri, 02 Oct 2026 15:28:16 -0700 (PDT) Date: Fri, 2 Oct 2026 15:28:15 -0700 In-Reply-To: <55452f6b9bd1dc241d0a9a0781fbda1c2850d2ce.1790101179.git.ritesh.list@gmail.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <55452f6b9bd1dc241d0a9a0781fbda1c2850d2ce.1790101179.git.ritesh.list@gmail.com> Message-ID: Subject: Re: [PATCH v5 9/9] KVM: selftests: Move memslot_perf_test off the 256M ELF load address From: Sean Christopherson To: "Ritesh Harjani (IBM)" Cc: kvm@vger.kernel.org, Paolo Bonzini , linuxppc-dev@lists.ozlabs.org, Michael Ellerman , Christophe Leroy , Anushree Mathur , Venkat Rao Bagalkote , Harsh Prateek Bora , Madhavan Srinivasan , Shrikanth Hegde , linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" 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.