[PATCH v2 4/5] KVM: selftests: Remove 1M alignment requirement for s390

[Claudio Imbrenda <imbrenda@linux.ibm.com>]

Remove the 1M memslot alignment requirement for s390, since it is not
needed anymore.

Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
---
 tools/testing/selftests/kvm/include/kvm_util.h | 4 ----
 tools/testing/selftests/kvm/lib/kvm_util.c     | 9 +--------
 2 files changed, 1 insertion(+), 12 deletions(-)

diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h
index 8b39cb919f4f..f861242b4ae8 100644
--- a/tools/testing/selftests/kvm/include/kvm_util.h
+++ b/tools/testing/selftests/kvm/include/kvm_util.h
@@ -1127,10 +1127,6 @@ vm_adjust_num_guest_pages(enum vm_guest_mode mode, unsigned int num_guest_pages)
 {
 	unsigned int n;
 	n = vm_num_guest_pages(mode, vm_num_host_pages(mode, num_guest_pages));
-#ifdef __s390x__
-	/* s390 requires 1M aligned guest sizes */
-	n = (n + 255) & ~255;
-#endif
 	return n;
 }
 
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 1959bf556e88..f5e076591c64 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -985,7 +985,7 @@ void vm_mem_add(struct kvm_vm *vm, enum vm_mem_backing_src_type src_type,
 	struct userspace_mem_region *region;
 	size_t backing_src_pagesz = get_backing_src_pagesz(src_type);
 	size_t mem_size = npages * vm->page_size;
-	size_t alignment;
+	size_t alignment = 1;
 
 	TEST_REQUIRE_SET_USER_MEMORY_REGION2();
 
@@ -1039,13 +1039,6 @@ void vm_mem_add(struct kvm_vm *vm, enum vm_mem_backing_src_type src_type,
 	TEST_ASSERT(region != NULL, "Insufficient Memory");
 	region->mmap_size = mem_size;
 
-#ifdef __s390x__
-	/* On s390x, the host address must be aligned to 1M (due to PGSTEs) */
-	alignment = 0x100000;
-#else
-	alignment = 1;
-#endif
-
 	/*
 	 * When using THP mmap is not guaranteed to returned a hugepage aligned
 	 * address so we have to pad the mmap. Padding is not needed for HugeTLB
-- 
2.53.0