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Fri, 21 Feb 2025 16:10:32 +0000 Received: from EX19MTAUWA002.ant.amazon.com (10.250.64.202) by EX19D003UWC004.ant.amazon.com (10.13.138.150) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1544.14; Fri, 21 Feb 2025 16:10:32 +0000 Received: from email-imr-corp-prod-pdx-all-2b-c1559d0e.us-west-2.amazon.com (10.25.36.210) by mail-relay.amazon.com (10.250.64.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1258.39 via Frontend Transport; Fri, 21 Feb 2025 16:10:32 +0000 Received: from ua2d7e1a6107c5b.ant.amazon.com (dev-dsk-roypat-1c-dbe2a224.eu-west-1.amazon.com [172.19.88.180]) by email-imr-corp-prod-pdx-all-2b-c1559d0e.us-west-2.amazon.com (Postfix) with ESMTPS id BB555404D5; Fri, 21 Feb 2025 16:10:24 +0000 (UTC) From: Patrick Roy To: , , CC: Patrick Roy , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v4 11/12] KVM: selftests: set KVM_GMEM_NO_DIRECT_MAP in mem conversion tests Date: Fri, 21 Feb 2025 16:07:24 +0000 Message-ID: <20250221160728.1584559-12-roypat@amazon.co.uk> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250221160728.1584559-1-roypat@amazon.co.uk> References: <20250221160728.1584559-1-roypat@amazon.co.uk> MIME-Version: 1.0 X-Stat-Signature: w78wbirb3thnm8eojoocs4ahyo7pjwcw X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 43A931A0010 X-Rspam-User: X-HE-Tag: 1740154238-85488 X-HE-Meta: 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 Wb/6ezow 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Cover the scenario that the guest can fault in and write gmem-backed guest memory even if its direct map removed. Signed-off-by: Patrick Roy --- .../selftests/kvm/x86/private_mem_conversions_test.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/kvm/x86/private_mem_conversions_test.c b/tools/testing/selftests/kvm/x86/private_mem_conversions_test.c index 82a8d88b5338..dfc78781e93b 100644 --- a/tools/testing/selftests/kvm/x86/private_mem_conversions_test.c +++ b/tools/testing/selftests/kvm/x86/private_mem_conversions_test.c @@ -367,7 +367,7 @@ static void *__test_mem_conversions(void *__vcpu) } static void test_mem_conversions(enum vm_mem_backing_src_type src_type, uint32_t nr_vcpus, - uint32_t nr_memslots) + uint32_t nr_memslots, uint64_t gmem_flags) { /* * Allocate enough memory so that each vCPU's chunk of memory can be @@ -394,7 +394,7 @@ static void test_mem_conversions(enum vm_mem_backing_src_type src_type, uint32_t vm_enable_cap(vm, KVM_CAP_EXIT_HYPERCALL, (1 << KVM_HC_MAP_GPA_RANGE)); - memfd = vm_create_guest_memfd(vm, memfd_size, 0); + memfd = vm_create_guest_memfd(vm, memfd_size, gmem_flags); for (i = 0; i < nr_memslots; i++) vm_mem_add(vm, src_type, BASE_DATA_GPA + slot_size * i, @@ -477,7 +477,8 @@ int main(int argc, char *argv[]) } } - test_mem_conversions(src_type, nr_vcpus, nr_memslots); + test_mem_conversions(src_type, nr_vcpus, nr_memslots, 0); + test_mem_conversions(src_type, nr_vcpus, nr_memslots, KVM_GMEM_NO_DIRECT_MAP); return 0; }