1 files changed, 0 insertions, 141 deletions
diff --git a/tools/testing/selftests/kvm/x86_64/set_memory_region_test.c b/tools/testing/selftests/kvm/x86_64/set_memory_region_test.c
deleted file mode 100644
index c6691cff4e19..000000000000
--- a/tools/testing/selftests/kvm/x86_64/set_memory_region_test.c
+++ /dev/null
@@ -1,141 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE /* for program_invocation_short_name */
-#include <fcntl.h>
-#include <pthread.h>
-#include <sched.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/ioctl.h>
-
-#include <linux/compiler.h>
-
-#include <test_util.h>
-#include <kvm_util.h>
-#include <processor.h>
-
-#define VCPU_ID 0
-
-/*
- * Somewhat arbitrary location and slot, intended to not overlap anything.  The
- * location and size are specifically 2mb sized/aligned so that the initial
- * region corresponds to exactly one large page.
- */
-#define MEM_REGION_GPA		0xc0000000
-#define MEM_REGION_SIZE		0x200000
-#define MEM_REGION_SLOT		10
-
-static void guest_code(void)
-{
-	uint64_t val;
-
-	do {
-		val = READ_ONCE(*((uint64_t *)MEM_REGION_GPA));
-	} while (!val);
-
-	if (val != 1)
-		ucall(UCALL_ABORT, 1, val);
-
-	GUEST_DONE();
-}
-
-static void *vcpu_worker(void *data)
-{
-	struct kvm_vm *vm = data;
-	struct kvm_run *run;
-	struct ucall uc;
-	uint64_t cmd;
-
-	/*
-	 * Loop until the guest is done.  Re-enter the guest on all MMIO exits,
-	 * which will occur if the guest attempts to access a memslot while it
-	 * is being moved.
-	 */
-	run = vcpu_state(vm, VCPU_ID);
-	do {
-		vcpu_run(vm, VCPU_ID);
-	} while (run->exit_reason == KVM_EXIT_MMIO);
-
-	TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
-		    "Unexpected exit reason = %d", run->exit_reason);
-
-	cmd = get_ucall(vm, VCPU_ID, &uc);
-	TEST_ASSERT(cmd == UCALL_DONE, "Unexpected val in guest = %lu", uc.args[0]);
-	return NULL;
-}
-
-static void test_move_memory_region(void)
-{
-	pthread_t vcpu_thread;
-	struct kvm_vm *vm;
-	uint64_t *hva;
-	uint64_t gpa;
-
-	vm = vm_create_default(VCPU_ID, 0, guest_code);
-
-	vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
-
-	vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS_THP,
-				    MEM_REGION_GPA, MEM_REGION_SLOT,
-				    MEM_REGION_SIZE / getpagesize(), 0);
-
-	/*
-	 * Allocate and map two pages so that the GPA accessed by guest_code()
-	 * stays valid across the memslot move.
-	 */
-	gpa = vm_phy_pages_alloc(vm, 2, MEM_REGION_GPA, MEM_REGION_SLOT);
-	TEST_ASSERT(gpa == MEM_REGION_GPA, "Failed vm_phy_pages_alloc\n");
-
-	virt_map(vm, MEM_REGION_GPA, MEM_REGION_GPA, 2, 0);
-
-	/* Ditto for the host mapping so that both pages can be zeroed. */
-	hva = addr_gpa2hva(vm, MEM_REGION_GPA);
-	memset(hva, 0, 2 * 4096);
-
-	pthread_create(&vcpu_thread, NULL, vcpu_worker, vm);
-
-	/* Ensure the guest thread is spun up. */
-	usleep(100000);
-
-	/*
-	 * Shift the region's base GPA.  The guest should not see "2" as the
-	 * hva->gpa translation is misaligned, i.e. the guest is accessing a
-	 * different host pfn.
-	 */
-	vm_mem_region_move(vm, MEM_REGION_SLOT, MEM_REGION_GPA - 4096);
-	WRITE_ONCE(*hva, 2);
-
-	usleep(100000);
-
-	/*
-	 * Note, value in memory needs to be changed *before* restoring the
-	 * memslot, else the guest could race the update and see "2".
-	 */
-	WRITE_ONCE(*hva, 1);
-
-	/* Restore the original base, the guest should see "1". */
-	vm_mem_region_move(vm, MEM_REGION_SLOT, MEM_REGION_GPA);
-
-	pthread_join(vcpu_thread, NULL);
-
-	kvm_vm_free(vm);
-}
-
-int main(int argc, char *argv[])
-{
-	int i, loops;
-
-	/* Tell stdout not to buffer its content */
-	setbuf(stdout, NULL);
-
-	if (argc > 1)
-		loops = atoi(argv[1]);
-	else
-		loops = 10;
-
-	for (i = 0; i < loops; i++)
-		test_move_memory_region();
-
-	return 0;
-}