linux-kernel - [RFC PATCH v3 27/31] KVM: selftests: Expose _vm_vaddr

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sat, 21 Jan 2023 00:15:38 +0000
From:   Ackerley Tng <ackerleytng@...gle.com>
To:     linux-kselftest@...r.kernel.org
Cc:     pbonzini@...hat.com, seanjc@...gle.com, isaku.yamahata@...el.com,
        sagis@...gle.com, erdemaktas@...gle.com, afranji@...gle.com,
        runanwang@...gle.com, shuah@...nel.org, drjones@...hat.com,
        maz@...nel.org, bgardon@...gle.com, jmattson@...gle.com,
        dmatlack@...gle.com, peterx@...hat.com, oupton@...gle.com,
        ricarkol@...gle.com, yang.zhong@...el.com, wei.w.wang@...el.com,
        xiaoyao.li@...el.com, pgonda@...gle.com, marcorr@...gle.com,
        eesposit@...hat.com, borntraeger@...ibm.com, eric.auger@...hat.com,
        wangyanan55@...wei.com, aaronlewis@...gle.com, vkuznets@...hat.com,
        pshier@...gle.com, axelrasmussen@...gle.com,
        zhenzhong.duan@...el.com, maciej.szmigiero@...cle.com,
        like.xu@...ux.intel.com, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, Ackerley Tng <ackerleytng@...gle.com>
Subject: [RFC PATCH v3 27/31] KVM: selftests: Expose _vm_vaddr_alloc

vm_vaddr_alloc always allocates memory in memslot 0. This allows users
of this function to choose which memslot to allocate virtual memory
in.

Signed-off-by: Ackerley Tng <ackerleytng@...gle.com>
---
 tools/testing/selftests/kvm/include/kvm_util_base.h | 3 +++
 tools/testing/selftests/kvm/lib/kvm_util.c          | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h
index 950fd337898e1..abeffa5a47e88 100644
--- a/tools/testing/selftests/kvm/include/kvm_util_base.h
+++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
@@ -406,6 +406,9 @@ void vm_mem_region_set_flags(struct kvm_vm *vm, uint32_t slot, uint32_t flags);
 void vm_mem_region_move(struct kvm_vm *vm, uint32_t slot, uint64_t new_gpa);
 void vm_mem_region_delete(struct kvm_vm *vm, uint32_t slot);
 struct kvm_vcpu *__vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpu_id);
+vm_vaddr_t
+_vm_vaddr_alloc(struct kvm_vm *vm, size_t sz, vm_vaddr_t vaddr_min,
+		vm_paddr_t paddr_min, uint32_t data_memslot, bool encrypt);
 vm_vaddr_t vm_vaddr_alloc(struct kvm_vm *vm, size_t sz, vm_vaddr_t vaddr_min);
 vm_vaddr_t vm_vaddr_alloc_shared(struct kvm_vm *vm, size_t sz, vm_vaddr_t vaddr_min);
 vm_vaddr_t vm_vaddr_alloc_1to1(struct kvm_vm *vm, size_t sz, vm_vaddr_t vaddr_min,
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 4e5928fa71c44..2f1e592d29dfd 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -1286,7 +1286,7 @@ static vm_vaddr_t vm_vaddr_unused_gap(struct kvm_vm *vm, size_t sz,
  * a unique set of pages, with the minimum real allocation being at least
  * a page.
  */
-static vm_vaddr_t
+vm_vaddr_t
 _vm_vaddr_alloc(struct kvm_vm *vm, size_t sz, vm_vaddr_t vaddr_min,
 		vm_paddr_t paddr_min, uint32_t data_memslot, bool encrypt)
 {
-- 
2.39.0.246.g2a6d74b583-goog