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Wed, 26 Aug 2026 16:05:15 -0700 (PDT) Date: Wed, 26 Aug 2026 16:04:52 -0700 In-Reply-To: <20260826230511.972824-1-seanjc@google.com> Mime-Version: 1.0 References: <20260826230511.972824-1-seanjc@google.com> X-Mailer: git-send-email 2.55.0.887.g758fc8c411-goog Message-ID: <20260826230511.972824-2-seanjc@google.com> Subject: [PATCH 01/20] KVM: selftests: Use MEM_REGION_PT memslot instead of '0' for s390 regions/segments 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, Nicholas Piggin , Ritesh Harjani X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260826_160516_806280_73B98764 X-CRM114-Status: UNSURE ( 9.05 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Use MEM_REGION_PT to indirectly specify memslot '0' instead of hardcoding the memslot in s390's virtual memory allocator, as a first step towards taking the allocation type instead of the exact, raw memslot in the physical memory allocator. Note, the only tests that set MEM_REGION_PT to a memslot other than '0' are arm64-only, i.e. s390 always uses memslot '0' for page tables. No functional change intended. Signed-off-by: Sean Christopherson --- tools/testing/selftests/kvm/lib/s390/processor.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/kvm/lib/s390/processor.c b/tools/testing/selftests/kvm/lib/s390/processor.c index a9adb3782b35..fb9dab92d4d1 100644 --- a/tools/testing/selftests/kvm/lib/s390/processor.c +++ b/tools/testing/selftests/kvm/lib/s390/processor.c @@ -39,7 +39,8 @@ static u64 virt_alloc_region(struct kvm_vm *vm, int ri) u64 taddr; taddr = vm_phy_pages_alloc(vm, ri < 4 ? PAGES_PER_REGION : 1, - KVM_GUEST_PAGE_TABLE_MIN_PADDR, 0); + KVM_GUEST_PAGE_TABLE_MIN_PADDR, + vm->memslots[MEM_REGION_PT]); memset(addr_gpa2hva(vm, taddr), 0xff, PAGES_PER_REGION * vm->page_size); return (taddr & REGION_ENTRY_ORIGIN) -- 2.55.0.887.g758fc8c411-goog _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv