diff mbox series

[v2,3/7] KVM: selftests: Mark correct page as mapped in virt_map()

Message ID 20221209015307.1781352-4-oliver.upton@linux.dev
State Accepted
Commit 92c8191bb5d3f670ed806f91823381193288a4e1
Headers show
Series [v2,1/7] KVM: selftests: Fix build due to ucall_uninit() removal | expand

Commit Message

Oliver Upton Dec. 9, 2022, 1:53 a.m. UTC 
The loop marks vaddr as mapped after incrementing it by page size,
thereby marking the *next* page as mapped. Set the bit in vpages_mapped
first instead.

Fixes: 56fc7732031d ("KVM: selftests: Fill in vm->vpages_mapped bitmap in virt_map() too")
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---
 tools/testing/selftests/kvm/lib/kvm_util.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index e9607eb089be..a256ec67aff6 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -1411,10 +1411,10 @@  void virt_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr,
 
 	while (npages--) {
 		virt_pg_map(vm, vaddr, paddr);
+		sparsebit_set(vm->vpages_mapped, vaddr >> vm->page_shift);
+
 		vaddr += page_size;
 		paddr += page_size;
-
-		sparsebit_set(vm->vpages_mapped, vaddr >> vm->page_shift);
 	}
 }