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AJvYcCVPHB5GB/jXU2wx9j0ie+Pwptc+zInne6+iT0SO4WtIeN1ZWWPLR3AeyYpU4N0x43RHGXU5sMsmVtFIi+NKlWtKOBV957Y2 X-Gm-Message-State: AOJu0YwHGVb/CEvk+gJWLQoFeY+u8r/T0p39nWb/k0a1wjvRCHqme/Hz v50o1LN7Bs0jeaAJl347IQpsoqy5OnS2KfUziKGRGQRRjeVQ/iqgHQLi8iDThOG/SgJ7wvn/XwO Bow== X-Google-Smtp-Source: AGHT+IHOzHa69AmDUbZ+OQC4gdWd8eKNcA+4/Rl+KkHknT13uIbfHPqOmsB/BAUR4nyvpq5uPcFzKjJ/Uj0= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a65:6d14:0:b0:5cd:9ea4:c99 with SMTP id bf20-20020a656d14000000b005cd9ea40c99mr900pgb.6.1708648993312; Thu, 22 Feb 2024 16:43:13 -0800 (PST) Reply-To: Sean Christopherson Date: Thu, 22 Feb 2024 16:42:53 -0800 In-Reply-To: <20240223004258.3104051-1-seanjc@google.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240223004258.3104051-1-seanjc@google.com> X-Mailer: git-send-email 2.44.0.rc0.258.g7320e95886-goog Message-ID: <20240223004258.3104051-7-seanjc@google.com> Subject: [PATCH v9 06/11] KVM: selftests: Explicitly ucall pool from shared memory From: Sean Christopherson To: Paolo Bonzini , Marc Zyngier , Oliver Upton , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Sean Christopherson Cc: kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Vishal Annapurve , Ackerley Tng , Andrew Jones , Tom Lendacky , Michael Roth , Carlos Bilbao , Peter Gonda , Itaru Kitayama Content-Type: text/plain; charset="UTF-8" From: Peter Gonda Allocate the common ucall pool using vm_vaddr_alloc_shared() so that the ucall structures will be placed in shared (unencrypted) memory for VMs with support for protected (encrypted) memory, e.g. x86's SEV. Cc: Paolo Bonzini Cc: Sean Christopherson Cc: Vishal Annapurve Cc: Ackerly Tng cc: Andrew Jones Cc: Tom Lendacky Cc: Michael Roth Tested-by: Carlos Bilbao Signed-off-by: Peter Gonda [sean: massage changelog] Signed-off-by: Sean Christopherson --- tools/testing/selftests/kvm/lib/ucall_common.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/kvm/lib/ucall_common.c b/tools/testing/selftests/kvm/lib/ucall_common.c index 816a3fa109bf..f5af65a41c29 100644 --- a/tools/testing/selftests/kvm/lib/ucall_common.c +++ b/tools/testing/selftests/kvm/lib/ucall_common.c @@ -29,7 +29,8 @@ void ucall_init(struct kvm_vm *vm, vm_paddr_t mmio_gpa) vm_vaddr_t vaddr; int i; - vaddr = __vm_vaddr_alloc(vm, sizeof(*hdr), KVM_UTIL_MIN_VADDR, MEM_REGION_DATA); + vaddr = vm_vaddr_alloc_shared(vm, sizeof(*hdr), KVM_UTIL_MIN_VADDR, + MEM_REGION_DATA); hdr = (struct ucall_header *)addr_gva2hva(vm, vaddr); memset(hdr, 0, sizeof(*hdr)); -- 2.44.0.rc0.258.g7320e95886-goog