1 files changed, 0 insertions, 132 deletions
diff --git a/tools/testing/selftests/kvm/x86_64/xcr0_cpuid_test.c b/tools/testing/selftests/kvm/x86_64/xcr0_cpuid_test.c
deleted file mode 100644
index 905bd5ae4431..000000000000
--- a/tools/testing/selftests/kvm/x86_64/xcr0_cpuid_test.c
+++ /dev/null
@@ -1,132 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * XCR0 cpuid test
- *
- * Copyright (C) 2022, Google LLC.
- */
-
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/ioctl.h>
-
-#include "test_util.h"
-
-#include "kvm_util.h"
-#include "processor.h"
-
-/*
- * Assert that architectural dependency rules are satisfied, e.g. that AVX is
- * supported if and only if SSE is supported.
- */
-#define ASSERT_XFEATURE_DEPENDENCIES(supported_xcr0, xfeatures, dependencies)	  \
-do {										  \
-	uint64_t __supported = (supported_xcr0) & ((xfeatures) | (dependencies)); \
-										  \
-	GUEST_ASSERT_3((__supported & (xfeatures)) != (xfeatures) ||		  \
-		       __supported == ((xfeatures) | (dependencies)),		  \
-		       __supported, (xfeatures), (dependencies));		  \
-} while (0)
-
-/*
- * Assert that KVM reports a sane, usable as-is XCR0.  Architecturally, a CPU
- * isn't strictly required to _support_ all XFeatures related to a feature, but
- * at the same time XSETBV will #GP if bundled XFeatures aren't enabled and
- * disabled coherently.  E.g. a CPU can technically enumerate supported for
- * XTILE_CFG but not XTILE_DATA, but attempting to enable XTILE_CFG without
- * XTILE_DATA will #GP.
- */
-#define ASSERT_ALL_OR_NONE_XFEATURE(supported_xcr0, xfeatures)		\
-do {									\
-	uint64_t __supported = (supported_xcr0) & (xfeatures);		\
-									\
-	GUEST_ASSERT_2(!__supported || __supported == (xfeatures),	\
-		       __supported, (xfeatures));			\
-} while (0)
-
-static void guest_code(void)
-{
-	uint64_t xcr0_reset;
-	uint64_t supported_xcr0;
-	int i, vector;
-
-	set_cr4(get_cr4() | X86_CR4_OSXSAVE);
-
-	xcr0_reset = xgetbv(0);
-	supported_xcr0 = this_cpu_supported_xcr0();
-
-	GUEST_ASSERT(xcr0_reset == XFEATURE_MASK_FP);
-
-	/* Check AVX */
-	ASSERT_XFEATURE_DEPENDENCIES(supported_xcr0,
-				     XFEATURE_MASK_YMM,
-				     XFEATURE_MASK_SSE);
-
-	/* Check MPX */
-	ASSERT_ALL_OR_NONE_XFEATURE(supported_xcr0,
-				    XFEATURE_MASK_BNDREGS | XFEATURE_MASK_BNDCSR);
-
-	/* Check AVX-512 */
-	ASSERT_XFEATURE_DEPENDENCIES(supported_xcr0,
-				     XFEATURE_MASK_AVX512,
-				     XFEATURE_MASK_SSE | XFEATURE_MASK_YMM);
-	ASSERT_ALL_OR_NONE_XFEATURE(supported_xcr0,
-				    XFEATURE_MASK_AVX512);
-
-	/* Check AMX */
-	ASSERT_ALL_OR_NONE_XFEATURE(supported_xcr0,
-				    XFEATURE_MASK_XTILE);
-
-	vector = xsetbv_safe(0, supported_xcr0);
-	GUEST_ASSERT_2(!vector, supported_xcr0, vector);
-
-	for (i = 0; i < 64; i++) {
-		if (supported_xcr0 & BIT_ULL(i))
-			continue;
-
-		vector = xsetbv_safe(0, supported_xcr0 | BIT_ULL(i));
-		GUEST_ASSERT_3(vector == GP_VECTOR, supported_xcr0, vector, BIT_ULL(i));
-	}
-
-	GUEST_DONE();
-}
-
-int main(int argc, char *argv[])
-{
-	struct kvm_vcpu *vcpu;
-	struct kvm_run *run;
-	struct kvm_vm *vm;
-	struct ucall uc;
-
-	TEST_REQUIRE(kvm_cpu_has(X86_FEATURE_XSAVE));
-
-	vm = vm_create_with_one_vcpu(&vcpu, guest_code);
-	run = vcpu->run;
-
-	vm_init_descriptor_tables(vm);
-	vcpu_init_descriptor_tables(vcpu);
-
-	while (1) {
-		vcpu_run(vcpu);
-
-		TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
-			    "Unexpected exit reason: %u (%s),\n",
-			    run->exit_reason,
-			    exit_reason_str(run->exit_reason));
-
-		switch (get_ucall(vcpu, &uc)) {
-		case UCALL_ABORT:
-			REPORT_GUEST_ASSERT_3(uc, "0x%lx 0x%lx 0x%lx");
-			break;
-		case UCALL_DONE:
-			goto done;
-		default:
-			TEST_FAIL("Unknown ucall %lu", uc.cmd);
-		}
-	}
-
-done:
-	kvm_vm_free(vm);
-	return 0;
-}