From 0a48666a31575f1dc4e4c63f2edaa29c16923fb7 Mon Sep 17 00:00:00 2001 From: Babu Moger Date: Mon, 31 Aug 2020 13:42:54 -0500 Subject: [PATCH] Revert "hw/i386: Update structures to save the number of nodes per package" This reverts commit c24a41bb53c0854d22c96b30d57cfcaa543c409d. Remove the EPYC specific apicid decoding and use the generic default decoding. Signed-off-by: Babu Moger Reviewed-by: Igor Mammedov Message-Id: <159889937478.21294.4192291354416942986.stgit@naples-babu.amd.com> Signed-off-by: Eduardo Habkost --- hw/i386/pc.c | 1 - hw/i386/x86.c | 1 - include/hw/i386/topology.h | 1 - target/i386/cpu.c | 1 - target/i386/cpu.h | 1 - tests/test-x86-cpuid.c | 40 +++++++++++++++++++------------------- 6 files changed, 20 insertions(+), 25 deletions(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 0677d6a272..d11daacc23 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1501,7 +1501,6 @@ static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev, init_topo_info(&topo_info, x86ms); env->nr_dies = x86ms->smp_dies; - env->nr_nodes = topo_info.nodes_per_pkg; /* * If APIC ID is not set, diff --git a/hw/i386/x86.c b/hw/i386/x86.c index 727c4a0f1d..c1954db152 100644 --- a/hw/i386/x86.c +++ b/hw/i386/x86.c @@ -62,7 +62,6 @@ inline void init_topo_info(X86CPUTopoInfo *topo_info, { MachineState *ms = MACHINE(x86ms); - topo_info->nodes_per_pkg = ms->numa_state->num_nodes / ms->smp.sockets; topo_info->dies_per_pkg = x86ms->smp_dies; topo_info->cores_per_die = ms->smp.cores; topo_info->threads_per_core = ms->smp.threads; diff --git a/include/hw/i386/topology.h b/include/hw/i386/topology.h index b9593b9905..81573f6cfd 100644 --- a/include/hw/i386/topology.h +++ b/include/hw/i386/topology.h @@ -53,7 +53,6 @@ typedef struct X86CPUTopoIDs { } X86CPUTopoIDs; typedef struct X86CPUTopoInfo { - unsigned nodes_per_pkg; unsigned dies_per_pkg; unsigned cores_per_die; unsigned threads_per_core; diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 256bfa669f..ba4667b33c 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -7023,7 +7023,6 @@ static void x86_cpu_initfn(Object *obj) FeatureWord w; env->nr_dies = 1; - env->nr_nodes = 1; cpu_set_cpustate_pointers(cpu); object_property_add(obj, "family", "int", diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 5ff8ad8427..d3097be6a5 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -1629,7 +1629,6 @@ typedef struct CPUX86State { TPRAccess tpr_access_type; unsigned nr_dies; - unsigned nr_nodes; } CPUX86State; struct kvm_msrs; diff --git a/tests/test-x86-cpuid.c b/tests/test-x86-cpuid.c index 049030a50e..bfabc0403a 100644 --- a/tests/test-x86-cpuid.c +++ b/tests/test-x86-cpuid.c @@ -31,12 +31,12 @@ static void test_topo_bits(void) X86CPUTopoInfo topo_info = {0}; /* simple tests for 1 thread per core, 1 core per die, 1 die per package */ - topo_info = (X86CPUTopoInfo) {0, 1, 1, 1}; + topo_info = (X86CPUTopoInfo) {1, 1, 1}; g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 0); g_assert_cmpuint(apicid_core_width(&topo_info), ==, 0); g_assert_cmpuint(apicid_die_width(&topo_info), ==, 0); - topo_info = (X86CPUTopoInfo) {0, 1, 1, 1}; + topo_info = (X86CPUTopoInfo) {1, 1, 1}; g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 0), ==, 0); g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 1), ==, 1); g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 2), ==, 2); @@ -45,39 +45,39 @@ static void test_topo_bits(void) /* Test field width calculation for multiple values */ - topo_info = (X86CPUTopoInfo) {0, 1, 1, 2}; + topo_info = (X86CPUTopoInfo) {1, 1, 2}; g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 1); - topo_info = (X86CPUTopoInfo) {0, 1, 1, 3}; + topo_info = (X86CPUTopoInfo) {1, 1, 3}; g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 2); - topo_info = (X86CPUTopoInfo) {0, 1, 1, 4}; + topo_info = (X86CPUTopoInfo) {1, 1, 4}; g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 2); - topo_info = (X86CPUTopoInfo) {0, 1, 1, 14}; + topo_info = (X86CPUTopoInfo) {1, 1, 14}; g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 4); - topo_info = (X86CPUTopoInfo) {0, 1, 1, 15}; + topo_info = (X86CPUTopoInfo) {1, 1, 15}; g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 4); - topo_info = (X86CPUTopoInfo) {0, 1, 1, 16}; + topo_info = (X86CPUTopoInfo) {1, 1, 16}; g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 4); - topo_info = (X86CPUTopoInfo) {0, 1, 1, 17}; + topo_info = (X86CPUTopoInfo) {1, 1, 17}; g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 5); - topo_info = (X86CPUTopoInfo) {0, 1, 30, 2}; + topo_info = (X86CPUTopoInfo) {1, 30, 2}; g_assert_cmpuint(apicid_core_width(&topo_info), ==, 5); - topo_info = (X86CPUTopoInfo) {0, 1, 31, 2}; + topo_info = (X86CPUTopoInfo) {1, 31, 2}; g_assert_cmpuint(apicid_core_width(&topo_info), ==, 5); - topo_info = (X86CPUTopoInfo) {0, 1, 32, 2}; + topo_info = (X86CPUTopoInfo) {1, 32, 2}; g_assert_cmpuint(apicid_core_width(&topo_info), ==, 5); - topo_info = (X86CPUTopoInfo) {0, 1, 33, 2}; + topo_info = (X86CPUTopoInfo) {1, 33, 2}; g_assert_cmpuint(apicid_core_width(&topo_info), ==, 6); - topo_info = (X86CPUTopoInfo) {0, 1, 30, 2}; + topo_info = (X86CPUTopoInfo) {1, 30, 2}; g_assert_cmpuint(apicid_die_width(&topo_info), ==, 0); - topo_info = (X86CPUTopoInfo) {0, 2, 30, 2}; + topo_info = (X86CPUTopoInfo) {2, 30, 2}; g_assert_cmpuint(apicid_die_width(&topo_info), ==, 1); - topo_info = (X86CPUTopoInfo) {0, 3, 30, 2}; + topo_info = (X86CPUTopoInfo) {3, 30, 2}; g_assert_cmpuint(apicid_die_width(&topo_info), ==, 2); - topo_info = (X86CPUTopoInfo) {0, 4, 30, 2}; + topo_info = (X86CPUTopoInfo) {4, 30, 2}; g_assert_cmpuint(apicid_die_width(&topo_info), ==, 2); /* build a weird topology and see if IDs are calculated correctly @@ -85,18 +85,18 @@ static void test_topo_bits(void) /* This will use 2 bits for thread ID and 3 bits for core ID */ - topo_info = (X86CPUTopoInfo) {0, 1, 6, 3}; + topo_info = (X86CPUTopoInfo) {1, 6, 3}; g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 2); g_assert_cmpuint(apicid_core_offset(&topo_info), ==, 2); g_assert_cmpuint(apicid_die_offset(&topo_info), ==, 5); g_assert_cmpuint(apicid_pkg_offset(&topo_info), ==, 5); - topo_info = (X86CPUTopoInfo) {0, 1, 6, 3}; + topo_info = (X86CPUTopoInfo) {1, 6, 3}; g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 0), ==, 0); g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 1), ==, 1); g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 2), ==, 2); - topo_info = (X86CPUTopoInfo) {0, 1, 6, 3}; + topo_info = (X86CPUTopoInfo) {1, 6, 3}; g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 1 * 3 + 0), ==, (1 << 2) | 0); g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 1 * 3 + 1), ==,