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authorTudor Ambarus <tudor.ambarus@linaro.org>2023-02-06 11:23:34 +0200
committerTudor Ambarus <tudor.ambarus@linaro.org>2023-02-06 11:23:34 +0200
commitf047382519ca41702ebaee5a862e87390f687137 (patch)
tree3108abb624004c540551bb9a954ac71fea696886 /tools/testing/selftests/kvm/lib/kvm_util.c
parent893fd950c89d516a7cf365700b2bd7bb3efc15a5 (diff)
parentc0f7ae27539fbac267384a7bfc58296ea7550d52 (diff)
Merge tag 'mtd/fixes-for-6.2-rc4' into spi-nor/next
Merge 'mtd/fixes-for-6.2-rc4' into spi-nor/next to fix conflict on include headers in drivers/mtd/spi-nor/core.c. Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Diffstat (limited to 'tools/testing/selftests/kvm/lib/kvm_util.c')
-rw-r--r--tools/testing/selftests/kvm/lib/kvm_util.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index c88c3ace16d2..56d5ea949cbb 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -186,6 +186,15 @@ const struct vm_guest_mode_params vm_guest_mode_params[] = {
_Static_assert(sizeof(vm_guest_mode_params)/sizeof(struct vm_guest_mode_params) == NUM_VM_MODES,
"Missing new mode params?");
+/*
+ * Initializes vm->vpages_valid to match the canonical VA space of the
+ * architecture.
+ *
+ * The default implementation is valid for architectures which split the
+ * range addressed by a single page table into a low and high region
+ * based on the MSB of the VA. On architectures with this behavior
+ * the VA region spans [0, 2^(va_bits - 1)), [-(2^(va_bits - 1), -1].
+ */
__weak void vm_vaddr_populate_bitmap(struct kvm_vm *vm)
{
sparsebit_set_num(vm->vpages_valid,
@@ -1416,10 +1425,10 @@ 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);
}
}