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qemu-kvm/kvm-tests-qtest-x86-check-for-availability-of-older-cpu-.patch
Miroslav Rezanina 7fbe0e6b6e * Mon Jul 01 2024 Miroslav Rezanina <mrezanin@redhat.com> - 9.0.0-3 
- kvm-qtest-x86-numa-test-do-not-use-the-obsolete-pentium-.patch [RHEL-28972]
- kvm-tests-qtest-libqtest-add-qtest_has_cpu_model-api.patch [RHEL-28972]
- kvm-tests-qtest-x86-check-for-availability-of-older-cpu-.patch [RHEL-28972]
- kvm-target-cpu-models-x86-Remove-the-existing-deprecated.patch [RHEL-28972]
- kvm-x86-cpu-deprecate-cpu-models-that-do-not-support-x86.patch [RHEL-28971]
- kvm-virtio-gpu-fix-v2-migration.patch [RHEL-36329]
- kvm-rhel-9.4.0-machine-type-compat-for-virtio-gpu-migrat.patch [RHEL-36329]
- kvm-s390x-remove-deprecated-rhel-machine-types.patch [RHEL-39898]
- kvm-s390x-select-correct-components-for-no-board-build.patch [RHEL-39898]
- kvm-target-s390x-Add-a-CONFIG-switch-to-disable-legacy-C.patch [RHEL-39898]
- kvm-target-s390x-cpu_models-Disable-everything-up-to-the.patch [RHEL-39898]
- kvm-target-s390x-Revert-the-old-s390x-CPU-model-disablem.patch [RHEL-39898]
- kvm-Revert-monitor-use-aio_co_reschedule_self.patch [RHEL-43409 RHEL-43410]
- kvm-aio-warn-about-iohandler_ctx-special-casing.patch [RHEL-43409 RHEL-43410]
- Resolves: RHEL-28972
  (x86: Remove the existing deprecated CPU models on RHEL10)
- Resolves: RHEL-28971
  (Consider deprecating CPU models like "Nehalem" / "IvyBridge" on RHEL 10)
- Resolves: RHEL-36329
  ([RHEL10.0.beta][stable_guest_abi]Failed to migrate VM with (qemu) qemu-kvm: Missing section footer for 0000:00:01.0/virtio-gpu qemu-kvm: load of migration failed: Invalid argument)
- Resolves: RHEL-39898
  (s390: Remove the legacy CPU models on RHEL10)
- Resolves: RHEL-43409
  (aio=io_uring: Assertion failure `luringcb->co->ctx == s->aio_context' with block_resize)
- Resolves: RHEL-43410
  (aio=native: Assertion failure `laiocb->co->ctx == laiocb->ctx->aio_context' with block_resize)
2024-07-01 05:14:15 -04:00

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From 31bce7b3e6776e60e0994a45691bded22cc68476 Mon Sep 17 00:00:00 2001
From: Ani Sinha <anisinha@redhat.com>
Date: Mon, 10 Jun 2024 21:23:00 +0530
Subject: [PATCH 03/14] tests/qtest/x86: check for availability of older cpu
models before running tests
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Ani Sinha <anisinha@redhat.com>
RH-MergeRequest: 243: target/cpu-models/x86: Remove the existing deprecated CPU models on c10s
RH-Jira: RHEL-28972
RH-Acked-by: Thomas Huth <thuth@redhat.com>
RH-Acked-by: Igor Mammedov <imammedo@redhat.com>
RH-Acked-by: MST <mst@redhat.com>
RH-Commit: [3/4] 5a049fbd48fda9c1b2d74dc8b389c43547029df2 (anisinha/centos-qemu-kvm)
It is better to check if some older cpu models like 486, athlon, pentium,
penryn, phenom, core2duo etc are available before running their corresponding
tests. Some downstream distributions may no longer support these older cpu
models.
Signature of add_feature_test() has been modified to return void as
FeatureTestArgs* was not used by the caller.
One minor correction. Replaced 'phenom' with '486' in the test
'x86/cpuid/auto-level/phenom/arat' matching the cpu used.
Signed-off-by: Ani Sinha <anisinha@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20240610155303.7933-4-anisinha@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
(cherry picked from commit e08f6e0b9fcf708f641bbb8839b7e30d857989d9)
---
tests/qtest/test-x86-cpuid-compat.c | 170 ++++++++++++++++++----------
1 file changed, 108 insertions(+), 62 deletions(-)
diff --git a/tests/qtest/test-x86-cpuid-compat.c b/tests/qtest/test-x86-cpuid-compat.c
index 6a39454fce..b9e7e5ef7b 100644
--- a/tests/qtest/test-x86-cpuid-compat.c
+++ b/tests/qtest/test-x86-cpuid-compat.c
@@ -67,10 +67,29 @@ static void test_cpuid_prop(const void *data)
g_free(path);
}
-static void add_cpuid_test(const char *name, const char *cmdline,
+static void add_cpuid_test(const char *name, const char *cpu,
+ const char *cpufeat, const char *machine,
const char *property, int64_t expected_value)
{
CpuidTestArgs *args = g_new0(CpuidTestArgs, 1);
+ char *cmdline;
+ char *save;
+
+ if (!qtest_has_cpu_model(cpu)) {
+ return;
+ }
+ cmdline = g_strdup_printf("-cpu %s", cpu);
+
+ if (cpufeat) {
+ save = cmdline;
+ cmdline = g_strdup_printf("%s,%s", cmdline, cpufeat);
+ g_free(save);
+ }
+ if (machine) {
+ save = cmdline;
+ cmdline = g_strdup_printf("-machine %s %s", machine, cmdline);
+ g_free(save);
+ }
args->cmdline = cmdline;
args->property = property;
args->expected_value = expected_value;
@@ -149,12 +168,24 @@ static void test_feature_flag(const void *data)
* either "feature-words" or "filtered-features", when running QEMU
* using cmdline
*/
-static FeatureTestArgs *add_feature_test(const char *name, const char *cmdline,
- uint32_t eax, uint32_t ecx,
- const char *reg, int bitnr,
- bool expected_value)
+static void add_feature_test(const char *name, const char *cpu,
+ const char *cpufeat, uint32_t eax,
+ uint32_t ecx, const char *reg,
+ int bitnr, bool expected_value)
{
FeatureTestArgs *args = g_new0(FeatureTestArgs, 1);
+ char *cmdline;
+
+ if (!qtest_has_cpu_model(cpu)) {
+ return;
+ }
+
+ if (cpufeat) {
+ cmdline = g_strdup_printf("-cpu %s,%s", cpu, cpufeat);
+ } else {
+ cmdline = g_strdup_printf("-cpu %s", cpu);
+ }
+
args->cmdline = cmdline;
args->in_eax = eax;
args->in_ecx = ecx;
@@ -162,13 +193,17 @@ static FeatureTestArgs *add_feature_test(const char *name, const char *cmdline,
args->bitnr = bitnr;
args->expected_value = expected_value;
qtest_add_data_func(name, args, test_feature_flag);
- return args;
+ return;
}
static void test_plus_minus_subprocess(void)
{
char *path;
+ if (!qtest_has_cpu_model("pentium")) {
+ return;
+ }
+
/* Rules:
* 1)"-foo" overrides "+foo"
* 2) "[+-]foo" overrides "foo=..."
@@ -198,6 +233,10 @@ static void test_plus_minus_subprocess(void)
static void test_plus_minus(void)
{
+ if (!qtest_has_cpu_model("pentium")) {
+ return;
+ }
+
g_test_trap_subprocess("/x86/cpuid/parsing-plus-minus/subprocess", 0, 0);
g_test_trap_assert_passed();
g_test_trap_assert_stderr("*Ambiguous CPU model string. "
@@ -217,99 +256,105 @@ int main(int argc, char **argv)
/* Original level values for CPU models: */
add_cpuid_test("x86/cpuid/phenom/level",
- "-cpu phenom", "level", 5);
+ "phenom", NULL, NULL, "level", 5);
add_cpuid_test("x86/cpuid/Conroe/level",
- "-cpu Conroe", "level", 10);
+ "Conroe", NULL, NULL, "level", 10);
add_cpuid_test("x86/cpuid/SandyBridge/level",
- "-cpu SandyBridge", "level", 0xd);
+ "SandyBridge", NULL, NULL, "level", 0xd);
add_cpuid_test("x86/cpuid/486/xlevel",
- "-cpu 486", "xlevel", 0);
+ "486", NULL, NULL, "xlevel", 0);
add_cpuid_test("x86/cpuid/core2duo/xlevel",
- "-cpu core2duo", "xlevel", 0x80000008);
+ "core2duo", NULL, NULL, "xlevel", 0x80000008);
add_cpuid_test("x86/cpuid/phenom/xlevel",
- "-cpu phenom", "xlevel", 0x8000001A);
+ "phenom", NULL, NULL, "xlevel", 0x8000001A);
add_cpuid_test("x86/cpuid/athlon/xlevel",
- "-cpu athlon", "xlevel", 0x80000008);
+ "athlon", NULL, NULL, "xlevel", 0x80000008);
/* If level is not large enough, it should increase automatically: */
/* CPUID[6].EAX: */
- add_cpuid_test("x86/cpuid/auto-level/phenom/arat",
- "-cpu 486,arat=on", "level", 6);
+ add_cpuid_test("x86/cpuid/auto-level/486/arat",
+ "486", "arat=on", NULL, "level", 6);
/* CPUID[EAX=7,ECX=0].EBX: */
add_cpuid_test("x86/cpuid/auto-level/phenom/fsgsbase",
- "-cpu phenom,fsgsbase=on", "level", 7);
+ "phenom", "fsgsbase=on", NULL, "level", 7);
/* CPUID[EAX=7,ECX=0].ECX: */
add_cpuid_test("x86/cpuid/auto-level/phenom/avx512vbmi",
- "-cpu phenom,avx512vbmi=on", "level", 7);
+ "phenom", "avx512vbmi=on", NULL, "level", 7);
/* CPUID[EAX=0xd,ECX=1].EAX: */
add_cpuid_test("x86/cpuid/auto-level/phenom/xsaveopt",
- "-cpu phenom,xsaveopt=on", "level", 0xd);
+ "phenom", "xsaveopt=on", NULL, "level", 0xd);
/* CPUID[8000_0001].EDX: */
add_cpuid_test("x86/cpuid/auto-xlevel/486/3dnow",
- "-cpu 486,3dnow=on", "xlevel", 0x80000001);
+ "486", "3dnow=on", NULL, "xlevel", 0x80000001);
/* CPUID[8000_0001].ECX: */
add_cpuid_test("x86/cpuid/auto-xlevel/486/sse4a",
- "-cpu 486,sse4a=on", "xlevel", 0x80000001);
+ "486", "sse4a=on", NULL, "xlevel", 0x80000001);
/* CPUID[8000_0007].EDX: */
add_cpuid_test("x86/cpuid/auto-xlevel/486/invtsc",
- "-cpu 486,invtsc=on", "xlevel", 0x80000007);
+ "486", "invtsc=on", NULL, "xlevel", 0x80000007);
/* CPUID[8000_000A].EDX: */
add_cpuid_test("x86/cpuid/auto-xlevel/486/npt",
- "-cpu 486,svm=on,npt=on", "xlevel", 0x8000000A);
+ "486", "svm=on,npt=on", NULL, "xlevel", 0x8000000A);
/* CPUID[C000_0001].EDX: */
add_cpuid_test("x86/cpuid/auto-xlevel2/phenom/xstore",
- "-cpu phenom,xstore=on", "xlevel2", 0xC0000001);
+ "phenom", "xstore=on", NULL, "xlevel2", 0xC0000001);
/* SVM needs CPUID[0x8000000A] */
add_cpuid_test("x86/cpuid/auto-xlevel/athlon/svm",
- "-cpu athlon,svm=on", "xlevel", 0x8000000A);
+ "athlon", "svm=on", NULL, "xlevel", 0x8000000A);
/* If level is already large enough, it shouldn't change: */
add_cpuid_test("x86/cpuid/auto-level/SandyBridge/multiple",
- "-cpu SandyBridge,arat=on,fsgsbase=on,avx512vbmi=on",
- "level", 0xd);
+ "SandyBridge", "arat=on,fsgsbase=on,avx512vbmi=on",
+ NULL, "level", 0xd);
/* If level is explicitly set, it shouldn't change: */
add_cpuid_test("x86/cpuid/auto-level/486/fixed/0xF",
- "-cpu 486,level=0xF,arat=on,fsgsbase=on,avx512vbmi=on,xsaveopt=on",
- "level", 0xF);
+ "486",
+ "level=0xF,arat=on,fsgsbase=on,avx512vbmi=on,xsaveopt=on",
+ NULL, "level", 0xF);
add_cpuid_test("x86/cpuid/auto-level/486/fixed/2",
- "-cpu 486,level=2,arat=on,fsgsbase=on,avx512vbmi=on,xsaveopt=on",
- "level", 2);
+ "486",
+ "level=2,arat=on,fsgsbase=on,avx512vbmi=on,xsaveopt=on",
+ NULL, "level", 2);
add_cpuid_test("x86/cpuid/auto-level/486/fixed/0",
- "-cpu 486,level=0,arat=on,fsgsbase=on,avx512vbmi=on,xsaveopt=on",
- "level", 0);
+ "486",
+ "level=0,arat=on,fsgsbase=on,avx512vbmi=on,xsaveopt=on",
+ NULL, "level", 0);
/* if xlevel is already large enough, it shouldn't change: */
add_cpuid_test("x86/cpuid/auto-xlevel/phenom/3dnow",
- "-cpu phenom,3dnow=on,sse4a=on,invtsc=on,npt=on,svm=on",
- "xlevel", 0x8000001A);
+ "phenom", "3dnow=on,sse4a=on,invtsc=on,npt=on,svm=on",
+ NULL, "xlevel", 0x8000001A);
/* If xlevel is explicitly set, it shouldn't change: */
add_cpuid_test("x86/cpuid/auto-xlevel/486/fixed/80000002",
- "-cpu 486,xlevel=0x80000002,3dnow=on,sse4a=on,invtsc=on,npt=on,svm=on",
- "xlevel", 0x80000002);
+ "486",
+ "xlevel=0x80000002,3dnow=on,sse4a=on,invtsc=on,npt=on,svm=on",
+ NULL, "xlevel", 0x80000002);
add_cpuid_test("x86/cpuid/auto-xlevel/486/fixed/8000001A",
- "-cpu 486,xlevel=0x8000001A,3dnow=on,sse4a=on,invtsc=on,npt=on,svm=on",
- "xlevel", 0x8000001A);
+ "486",
+ "xlevel=0x8000001A,3dnow=on,sse4a=on,invtsc=on,npt=on,svm=on",
+ NULL, "xlevel", 0x8000001A);
add_cpuid_test("x86/cpuid/auto-xlevel/phenom/fixed/0",
- "-cpu 486,xlevel=0,3dnow=on,sse4a=on,invtsc=on,npt=on,svm=on",
- "xlevel", 0);
+ "486",
+ "xlevel=0,3dnow=on,sse4a=on,invtsc=on,npt=on,svm=on",
+ NULL, "xlevel", 0);
/* if xlevel2 is already large enough, it shouldn't change: */
add_cpuid_test("x86/cpuid/auto-xlevel2/486/fixed",
- "-cpu 486,xlevel2=0xC0000002,xstore=on",
- "xlevel2", 0xC0000002);
+ "486", "xlevel2=0xC0000002,xstore=on",
+ NULL, "xlevel2", 0xC0000002);
/* Check compatibility of old machine-types that didn't
* auto-increase level/xlevel/xlevel2: */
if (qtest_has_machine("pc-i440fx-2.7")) {
add_cpuid_test("x86/cpuid/auto-level/pc-2.7",
- "-machine pc-i440fx-2.7 -cpu 486,arat=on,avx512vbmi=on,xsaveopt=on",
- "level", 1);
+ "486", "arat=on,avx512vbmi=on,xsaveopt=on",
+ "pc-i440fx-2.7", "level", 1);
add_cpuid_test("x86/cpuid/auto-xlevel/pc-2.7",
- "-machine pc-i440fx-2.7 -cpu 486,3dnow=on,sse4a=on,invtsc=on,npt=on,svm=on",
- "xlevel", 0);
+ "486", "3dnow=on,sse4a=on,invtsc=on,npt=on,svm=on",
+ "pc-i440fx-2.7", "xlevel", 0);
add_cpuid_test("x86/cpuid/auto-xlevel2/pc-2.7",
- "-machine pc-i440fx-2.7 -cpu 486,xstore=on",
+ "486", "xstore=on", "pc-i440fx-2.7",
"xlevel2", 0);
}
/*
@@ -319,18 +364,18 @@ int main(int argc, char **argv)
*/
if (qtest_has_machine("pc-i440fx-2.3")) {
add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-2.3/off",
- "-machine pc-i440fx-2.3 -cpu Penryn",
+ "Penryn", NULL, "pc-i440fx-2.3",
"level", 4);
add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-2.3/on",
- "-machine pc-i440fx-2.3 -cpu Penryn,erms=on",
+ "Penryn", "erms=on", "pc-i440fx-2.3",
"level", 7);
}
if (qtest_has_machine("pc-i440fx-2.9")) {
add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-2.9/off",
- "-machine pc-i440fx-2.9 -cpu Conroe",
+ "Conroe", NULL, "pc-i440fx-2.9",
"level", 10);
add_cpuid_test("x86/cpuid/auto-level7/pc-i440fx-2.9/on",
- "-machine pc-i440fx-2.9 -cpu Conroe,erms=on",
+ "Conroe", "erms=on", "pc-i440fx-2.9",
"level", 10);
}
@@ -341,42 +386,43 @@ int main(int argc, char **argv)
*/
if (qtest_has_machine("pc-i440fx-2.3")) {
add_cpuid_test("x86/cpuid/xlevel-compat/pc-i440fx-2.3",
- "-machine pc-i440fx-2.3 -cpu SandyBridge",
+ "SandyBridge", NULL, "pc-i440fx-2.3",
"xlevel", 0x8000000a);
}
if (qtest_has_machine("pc-i440fx-2.4")) {
add_cpuid_test("x86/cpuid/xlevel-compat/pc-i440fx-2.4/npt-off",
- "-machine pc-i440fx-2.4 -cpu SandyBridge,",
+ "SandyBridge", NULL, "pc-i440fx-2.4",
"xlevel", 0x80000008);
add_cpuid_test("x86/cpuid/xlevel-compat/pc-i440fx-2.4/npt-on",
- "-machine pc-i440fx-2.4 -cpu SandyBridge,svm=on,npt=on",
+ "SandyBridge", "svm=on,npt=on", "pc-i440fx-2.4",
"xlevel", 0x80000008);
}
/* Test feature parsing */
add_feature_test("x86/cpuid/features/plus",
- "-cpu 486,+arat",
+ "486", "+arat",
6, 0, "EAX", 2, true);
add_feature_test("x86/cpuid/features/minus",
- "-cpu pentium,-mmx",
+ "pentium", "-mmx",
1, 0, "EDX", 23, false);
add_feature_test("x86/cpuid/features/on",
- "-cpu 486,arat=on",
+ "486", "arat=on",
6, 0, "EAX", 2, true);
add_feature_test("x86/cpuid/features/off",
- "-cpu pentium,mmx=off",
+ "pentium", "mmx=off",
1, 0, "EDX", 23, false);
+
add_feature_test("x86/cpuid/features/max-plus-invtsc",
- "-cpu max,+invtsc",
+ "max" , "+invtsc",
0x80000007, 0, "EDX", 8, true);
add_feature_test("x86/cpuid/features/max-invtsc-on",
- "-cpu max,invtsc=on",
+ "max", "invtsc=on",
0x80000007, 0, "EDX", 8, true);
add_feature_test("x86/cpuid/features/max-minus-mmx",
- "-cpu max,-mmx",
+ "max", "-mmx",
1, 0, "EDX", 23, false);
add_feature_test("x86/cpuid/features/max-invtsc-on,mmx=off",
- "-cpu max,mmx=off",
+ "max", "mmx=off",
1, 0, "EDX", 23, false);
return g_test_run();
--
2.39.3
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