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Date: Tue, 22 Jun 2021 13:05:23 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Paolo Bonzini <pbonzini@...hat.com>,
Christian Borntraeger <borntraeger@...ibm.com>,
Janosch Frank <frankja@...ux.ibm.com>
Cc: David Hildenbrand <david@...hat.com>,
Cornelia Huck <cohuck@...hat.com>,
Claudio Imbrenda <imbrenda@...ux.ibm.com>, kvm@...r.kernel.org,
linux-kernel@...r.kernel.org, Peter Xu <peterx@...hat.com>,
Sean Christopherson <seanjc@...gle.com>,
Peter Shier <pshier@...gle.com>
Subject: [PATCH 13/19] KVM: selftests: Unconditionally allocate EPT tables in
memslot 0
Drop the EPTP memslot param from all EPT helpers and shove the hardcoded
'0' down to the vm_phy_page_alloc() calls.
No functional change intended.
Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
.../selftests/kvm/include/x86_64/vmx.h | 10 ++++-----
tools/testing/selftests/kvm/lib/x86_64/vmx.c | 21 ++++++++-----------
.../kvm/x86_64/vmx_apic_access_test.c | 2 +-
.../selftests/kvm/x86_64/vmx_dirty_log_test.c | 6 +++---
4 files changed, 17 insertions(+), 22 deletions(-)
diff --git a/tools/testing/selftests/kvm/include/x86_64/vmx.h b/tools/testing/selftests/kvm/include/x86_64/vmx.h
index 516c81d86353..583ceb0d1457 100644
--- a/tools/testing/selftests/kvm/include/x86_64/vmx.h
+++ b/tools/testing/selftests/kvm/include/x86_64/vmx.h
@@ -608,15 +608,13 @@ bool nested_vmx_supported(void);
void nested_vmx_check_supported(void);
void nested_pg_map(struct vmx_pages *vmx, struct kvm_vm *vm,
- uint64_t nested_paddr, uint64_t paddr, uint32_t eptp_memslot);
+ uint64_t nested_paddr, uint64_t paddr);
void nested_map(struct vmx_pages *vmx, struct kvm_vm *vm,
- uint64_t nested_paddr, uint64_t paddr, uint64_t size,
- uint32_t eptp_memslot);
+ uint64_t nested_paddr, uint64_t paddr, uint64_t size);
void nested_map_memslot(struct vmx_pages *vmx, struct kvm_vm *vm,
- uint32_t memslot, uint32_t eptp_memslot);
+ uint32_t memslot);
void prepare_eptp(struct vmx_pages *vmx, struct kvm_vm *vm,
uint32_t eptp_memslot);
-void prepare_virtualize_apic_accesses(struct vmx_pages *vmx, struct kvm_vm *vm,
- uint32_t eptp_memslot);
+void prepare_virtualize_apic_accesses(struct vmx_pages *vmx, struct kvm_vm *vm);
#endif /* SELFTEST_KVM_VMX_H */
diff --git a/tools/testing/selftests/kvm/lib/x86_64/vmx.c b/tools/testing/selftests/kvm/lib/x86_64/vmx.c
index d568d8cfd44d..1d26c3979eda 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/vmx.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/vmx.c
@@ -393,7 +393,7 @@ void nested_vmx_check_supported(void)
}
void nested_pg_map(struct vmx_pages *vmx, struct kvm_vm *vm,
- uint64_t nested_paddr, uint64_t paddr, uint32_t eptp_memslot)
+ uint64_t nested_paddr, uint64_t paddr)
{
uint16_t index[4];
struct eptPageTableEntry *pml4e;
@@ -427,7 +427,7 @@ void nested_pg_map(struct vmx_pages *vmx, struct kvm_vm *vm,
pml4e = vmx->eptp_hva;
if (!pml4e[index[3]].readable) {
pml4e[index[3]].address = vm_phy_page_alloc(vm,
- KVM_EPT_PAGE_TABLE_MIN_PADDR, eptp_memslot)
+ KVM_EPT_PAGE_TABLE_MIN_PADDR, 0)
>> vm->page_shift;
pml4e[index[3]].writable = true;
pml4e[index[3]].readable = true;
@@ -439,7 +439,7 @@ void nested_pg_map(struct vmx_pages *vmx, struct kvm_vm *vm,
pdpe = addr_gpa2hva(vm, pml4e[index[3]].address * vm->page_size);
if (!pdpe[index[2]].readable) {
pdpe[index[2]].address = vm_phy_page_alloc(vm,
- KVM_EPT_PAGE_TABLE_MIN_PADDR, eptp_memslot)
+ KVM_EPT_PAGE_TABLE_MIN_PADDR, 0)
>> vm->page_shift;
pdpe[index[2]].writable = true;
pdpe[index[2]].readable = true;
@@ -451,7 +451,7 @@ void nested_pg_map(struct vmx_pages *vmx, struct kvm_vm *vm,
pde = addr_gpa2hva(vm, pdpe[index[2]].address * vm->page_size);
if (!pde[index[1]].readable) {
pde[index[1]].address = vm_phy_page_alloc(vm,
- KVM_EPT_PAGE_TABLE_MIN_PADDR, eptp_memslot)
+ KVM_EPT_PAGE_TABLE_MIN_PADDR, 0)
>> vm->page_shift;
pde[index[1]].writable = true;
pde[index[1]].readable = true;
@@ -492,8 +492,7 @@ void nested_pg_map(struct vmx_pages *vmx, struct kvm_vm *vm,
* page range starting at nested_paddr to the page range starting at paddr.
*/
void nested_map(struct vmx_pages *vmx, struct kvm_vm *vm,
- uint64_t nested_paddr, uint64_t paddr, uint64_t size,
- uint32_t eptp_memslot)
+ uint64_t nested_paddr, uint64_t paddr, uint64_t size)
{
size_t page_size = vm->page_size;
size_t npages = size / page_size;
@@ -502,7 +501,7 @@ void nested_map(struct vmx_pages *vmx, struct kvm_vm *vm,
TEST_ASSERT(paddr + size > paddr, "Paddr overflow");
while (npages--) {
- nested_pg_map(vmx, vm, nested_paddr, paddr, eptp_memslot);
+ nested_pg_map(vmx, vm, nested_paddr, paddr);
nested_paddr += page_size;
paddr += page_size;
}
@@ -512,7 +511,7 @@ void nested_map(struct vmx_pages *vmx, struct kvm_vm *vm,
* physical pages in VM.
*/
void nested_map_memslot(struct vmx_pages *vmx, struct kvm_vm *vm,
- uint32_t memslot, uint32_t eptp_memslot)
+ uint32_t memslot)
{
sparsebit_idx_t i, last;
struct userspace_mem_region *region =
@@ -528,8 +527,7 @@ void nested_map_memslot(struct vmx_pages *vmx, struct kvm_vm *vm,
nested_map(vmx, vm,
(uint64_t)i << vm->page_shift,
(uint64_t)i << vm->page_shift,
- 1 << vm->page_shift,
- eptp_memslot);
+ 1 << vm->page_shift);
}
}
@@ -541,8 +539,7 @@ void prepare_eptp(struct vmx_pages *vmx, struct kvm_vm *vm,
vmx->eptp_gpa = addr_gva2gpa(vm, (uintptr_t)vmx->eptp);
}
-void prepare_virtualize_apic_accesses(struct vmx_pages *vmx, struct kvm_vm *vm,
- uint32_t eptp_memslot)
+void prepare_virtualize_apic_accesses(struct vmx_pages *vmx, struct kvm_vm *vm)
{
vmx->apic_access = (void *)vm_vaddr_alloc_page(vm);
vmx->apic_access_hva = addr_gva2hva(vm, (uintptr_t)vmx->apic_access);
diff --git a/tools/testing/selftests/kvm/x86_64/vmx_apic_access_test.c b/tools/testing/selftests/kvm/x86_64/vmx_apic_access_test.c
index d14888b34adb..d438c4d3228a 100644
--- a/tools/testing/selftests/kvm/x86_64/vmx_apic_access_test.c
+++ b/tools/testing/selftests/kvm/x86_64/vmx_apic_access_test.c
@@ -96,7 +96,7 @@ int main(int argc, char *argv[])
}
vmx = vcpu_alloc_vmx(vm, &vmx_pages_gva);
- prepare_virtualize_apic_accesses(vmx, vm, 0);
+ prepare_virtualize_apic_accesses(vmx, vm);
vcpu_args_set(vm, VCPU_ID, 2, vmx_pages_gva, high_gpa);
while (!done) {
diff --git a/tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c b/tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c
index 18f636197827..06a64980a5d2 100644
--- a/tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c
+++ b/tools/testing/selftests/kvm/x86_64/vmx_dirty_log_test.c
@@ -107,9 +107,9 @@ int main(int argc, char *argv[])
* meaning after the last call to virt_map.
*/
prepare_eptp(vmx, vm, 0);
- nested_map_memslot(vmx, vm, 0, 0);
- nested_map(vmx, vm, NESTED_TEST_MEM1, GUEST_TEST_MEM, 4096, 0);
- nested_map(vmx, vm, NESTED_TEST_MEM2, GUEST_TEST_MEM, 4096, 0);
+ nested_map_memslot(vmx, vm, 0);
+ nested_map(vmx, vm, NESTED_TEST_MEM1, GUEST_TEST_MEM, 4096);
+ nested_map(vmx, vm, NESTED_TEST_MEM2, GUEST_TEST_MEM, 4096);
bmap = bitmap_alloc(TEST_MEM_PAGES);
host_test_mem = addr_gpa2hva(vm, GUEST_TEST_MEM);
--
2.32.0.288.g62a8d224e6-goog
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