linux-kernel - [PATCH 6/7] KVM: selftests: Expose the primary memslot number to tests

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Message-Id: <20200320205546.2396-7-sean.j.christopherson@intel.com>
Date:   Fri, 20 Mar 2020 13:55:45 -0700
From:   Sean Christopherson <sean.j.christopherson@...el.com>
To:     Christian Borntraeger <borntraeger@...ibm.com>,
        Janosch Frank <frankja@...ux.ibm.com>,
        Paolo Bonzini <pbonzini@...hat.com>
Cc:     David Hildenbrand <david@...hat.com>,
        Cornelia Huck <cohuck@...hat.com>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Qian Cai <cai@....pw>,
        Peter Xu <peterx@...hat.com>
Subject: [PATCH 6/7] KVM: selftests: Expose the primary memslot number to tests

Add a define for the primary memslot number so that tests can manipulate
the memslot, e.g. to delete it.

Signed-off-by: Sean Christopherson <sean.j.christopherson@...el.com>
---
 tools/testing/selftests/kvm/include/kvm_util.h | 2 ++
 tools/testing/selftests/kvm/lib/kvm_util.c     | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h
index 0f0e86e188c4..43b5feb546c6 100644
--- a/tools/testing/selftests/kvm/include/kvm_util.h
+++ b/tools/testing/selftests/kvm/include/kvm_util.h
@@ -60,6 +60,8 @@ enum vm_mem_backing_src_type {
 	VM_MEM_SRC_ANONYMOUS_HUGETLB,
 };
 
+#define VM_PRIMARY_MEM_SLOT	0
+
 int kvm_check_cap(long cap);
 int vm_enable_cap(struct kvm_vm *vm, struct kvm_enable_cap *cap);
 
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index f69fa84c9a4c..6a1af0455e44 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -247,8 +247,8 @@ struct kvm_vm *_vm_create(enum vm_guest_mode mode, uint64_t phy_pages, int perm)
 	/* Allocate and setup memory for guest. */
 	vm->vpages_mapped = sparsebit_alloc();
 	if (phy_pages != 0)
-		vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS,
-					    0, 0, phy_pages, 0);
+		vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS, 0,
+					    VM_PRIMARY_MEM_SLOT, phy_pages, 0);
 
 	return vm;
 }
-- 
2.24.1