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Wed, 02 Sep 2026 09:41:42 -0700 (PDT) Date: Wed, 2 Sep 2026 09:41:18 -0700 In-Reply-To: <20260902164123.2546762-1-seanjc@google.com> Mime-Version: 1.0 References: <20260902164123.2546762-1-seanjc@google.com> X-Mailer: git-send-email 2.55.0.966.g6673acef38-goog Message-ID: <20260902164123.2546762-16-seanjc@google.com> Subject: [PATCH v2 15/20] KVM: selftests: Use TEST_EXTRA region in x86's smaller MAXPHYADDR test From: Sean Christopherson To: Marc Zyngier , Oliver Upton , Sean Christopherson , Paolo Bonzini , Tianrui Zhao , Bibo Mao , Huacai Chen , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda Cc: Fuad Tabba , Joey Gouly , Steffen Eiden , Suzuki K Poulose , Zenghui Yu , Atish Patra , Alexandre Ghiti , David Hildenbrand , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm@vger.kernel.org, loongarch@lists.linux.dev, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Itaru Kitayama , Nicholas Piggin , Ritesh Harjani Content-Type: text/plain; charset="UTF-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260902_094147_565224_AE6D4157 X-CRM114-Status: GOOD ( 11.23 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Sean Christopherson Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Use the TEST_EXTRA region/memslot for x86's smaller MAXPHYADDR test instead of a custom memslot, so that the primary vm_phy_pages_alloc() APIs can be reworked to take a region type instead of a raw memslot. For all intents and purposes, no functional change intended, as vm_add_extra_mem_region() is barely more than a wrapper for vm_userspace_mem_region_add(). Tested-by: Itaru Kitayama Signed-off-by: Sean Christopherson --- .../selftests/kvm/x86/smaller_maxphyaddr_emulation_test.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/kvm/x86/smaller_maxphyaddr_emulation_test.c b/tools/testing/selftests/kvm/x86/smaller_maxphyaddr_emulation_test.c index 3dca85e95478..b21798a385ca 100644 --- a/tools/testing/selftests/kvm/x86/smaller_maxphyaddr_emulation_test.c +++ b/tools/testing/selftests/kvm/x86/smaller_maxphyaddr_emulation_test.c @@ -62,9 +62,10 @@ int main(int argc, char *argv[]) TEST_ASSERT(rc, "KVM_CAP_EXIT_ON_EMULATION_FAILURE is unavailable"); vm_enable_cap(vm, KVM_CAP_EXIT_ON_EMULATION_FAILURE, 1); - vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS, - MEM_REGION_GPA, MEM_REGION_SLOT, - MEM_REGION_SIZE / PAGE_SIZE, 0); + vm_override_mem_region(vm, MEM_REGION_TEST_EXTRA, VM_MEM_SRC_ANONYMOUS, + MEM_REGION_GPA, MEM_REGION_SLOT, + MEM_REGION_SIZE / PAGE_SIZE); + gpa = vm_phy_pages_alloc(vm, MEM_REGION_SIZE / PAGE_SIZE, MEM_REGION_GPA, MEM_REGION_SLOT); TEST_ASSERT(gpa == MEM_REGION_GPA, "Failed vm_phy_pages_alloc"); -- 2.55.0.966.g6673acef38-goog