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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: C1CD21C0008 X-Rspam-User: X-Stat-Signature: er11zpxgx3z1r3gabdn1b6ug76qsouk1 X-HE-Tag: 1768398456-154880 X-HE-Meta: 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 1U0OTRlA 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Patrick Roy =0A= =0A= Extend mem conversion selftests to cover the scenario that the guest can=0A= fault in and write gmem-backed guest memory even if its direct map=0A= removed. Also cover the new flag in guest_memfd_test.c tests.=0A= =0A= Signed-off-by: Patrick Roy =0A= Signed-off-by: Nikita Kalyazin =0A= ---=0A= tools/testing/selftests/kvm/guest_memfd_test.c | 17 ++++++++++++++++-=0A= .../kvm/x86/private_mem_conversions_test.c | 7 ++++---=0A= 2 files changed, 20 insertions(+), 4 deletions(-)=0A= =0A= diff --git a/tools/testing/selftests/kvm/guest_memfd_test.c b/tools/testing= /selftests/kvm/guest_memfd_test.c=0A= index 618c937f3c90..9615018a1a67 100644=0A= --- a/tools/testing/selftests/kvm/guest_memfd_test.c=0A= +++ b/tools/testing/selftests/kvm/guest_memfd_test.c=0A= @@ -403,6 +403,17 @@ static void test_guest_memfd(unsigned long vm_type)=0A= __test_guest_memfd(vm, GUEST_MEMFD_FLAG_MMAP |=0A= GUEST_MEMFD_FLAG_INIT_SHARED);=0A= =0A= + if (flags & GUEST_MEMFD_FLAG_NO_DIRECT_MAP) {=0A= + __test_guest_memfd(vm, GUEST_MEMFD_FLAG_NO_DIRECT_MAP);=0A= + if (flags & GUEST_MEMFD_FLAG_MMAP)=0A= + __test_guest_memfd(vm, GUEST_MEMFD_FLAG_NO_DIRECT_MAP |=0A= + GUEST_MEMFD_FLAG_MMAP);=0A= + if (flags & GUEST_MEMFD_FLAG_INIT_SHARED)=0A= + __test_guest_memfd(vm, GUEST_MEMFD_FLAG_NO_DIRECT_MAP |=0A= + GUEST_MEMFD_FLAG_MMAP |=0A= + GUEST_MEMFD_FLAG_INIT_SHARED);=0A= + }=0A= +=0A= kvm_vm_free(vm);=0A= }=0A= =0A= @@ -445,10 +456,14 @@ static void test_guest_memfd_guest(void)=0A= TEST_ASSERT(vm_check_cap(vm, KVM_CAP_GUEST_MEMFD_FLAGS) & GUEST_MEMFD_FLA= G_INIT_SHARED,=0A= "Default VM type should support INIT_SHARED, supported flags =3D 0x%= x",=0A= vm_check_cap(vm, KVM_CAP_GUEST_MEMFD_FLAGS));=0A= + TEST_ASSERT(vm_check_cap(vm, KVM_CAP_GUEST_MEMFD_FLAGS) & GUEST_MEMFD_FLA= G_NO_DIRECT_MAP,=0A= + "Default VM type should support INIT_SHARED, supported flags =3D 0x%= x",=0A= + vm_check_cap(vm, KVM_CAP_GUEST_MEMFD_FLAGS));=0A= =0A= size =3D vm->page_size;=0A= fd =3D vm_create_guest_memfd(vm, size, GUEST_MEMFD_FLAG_MMAP |=0A= - GUEST_MEMFD_FLAG_INIT_SHARED);=0A= + GUEST_MEMFD_FLAG_INIT_SHARED |=0A= + GUEST_MEMFD_FLAG_NO_DIRECT_MAP);=0A= vm_set_user_memory_region2(vm, slot, KVM_MEM_GUEST_MEMFD, gpa, size, NULL= , fd, 0);=0A= =0A= mem =3D kvm_mmap(size, PROT_READ | PROT_WRITE, MAP_SHARED, fd);=0A= diff --git a/tools/testing/selftests/kvm/x86/private_mem_conversions_test.c= b/tools/testing/selftests/kvm/x86/private_mem_conversions_test.c=0A= index 1969f4ab9b28..8767cb4a037e 100644=0A= --- a/tools/testing/selftests/kvm/x86/private_mem_conversions_test.c=0A= +++ b/tools/testing/selftests/kvm/x86/private_mem_conversions_test.c=0A= @@ -367,7 +367,7 @@ static void *__test_mem_conversions(void *__vcpu)=0A= }=0A= =0A= static void test_mem_conversions(enum vm_mem_backing_src_type src_type, ui= nt32_t nr_vcpus,=0A= - uint32_t nr_memslots)=0A= + uint32_t nr_memslots, uint64_t gmem_flags)=0A= {=0A= /*=0A= * Allocate enough memory so that each vCPU's chunk of memory can be=0A= @@ -394,7 +394,7 @@ static void test_mem_conversions(enum vm_mem_backing_sr= c_type src_type, uint32_t=0A= =0A= vm_enable_cap(vm, KVM_CAP_EXIT_HYPERCALL, (1 << KVM_HC_MAP_GPA_RANGE));= =0A= =0A= - memfd =3D vm_create_guest_memfd(vm, memfd_size, 0);=0A= + memfd =3D vm_create_guest_memfd(vm, memfd_size, gmem_flags);=0A= =0A= for (i =3D 0; i < nr_memslots; i++)=0A= vm_mem_add(vm, src_type, BASE_DATA_GPA + slot_size * i,=0A= @@ -474,7 +474,8 @@ int main(int argc, char *argv[])=0A= }=0A= }=0A= =0A= - test_mem_conversions(src_type, nr_vcpus, nr_memslots);=0A= + test_mem_conversions(src_type, nr_vcpus, nr_memslots, 0);=0A= + test_mem_conversions(src_type, nr_vcpus, nr_memslots, GUEST_MEMFD_FLAG_NO= _DIRECT_MAP);=0A= =0A= return 0;=0A= }=0A= -- =0A= 2.50.1=0A= =0A=