treewide: Explicitly include the x86 CPUID headers

Modify all CPUID call sites which implicitly include any of the CPUID
headers to explicitly include them instead.

For KVM's reverse_cpuid.h, just include <asm/cpuid/types.h> since it
references the CPUID_EAX..EDX symbols without using the CPUID APIs.

Note, this allows removing the inclusion of <asm/cpuid/api.h> from within
<asm/processor.h> next.  That allows the CPUID API headers to include
<asm/processor.h> without introducing a circular dependency.

Signed-off-by: Ahmed S. Darwish <darwi@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/20260327021645.555257-1-darwi@linutronix.de

70 files changed, 86 insertions, 0 deletions

diff --git a/arch/x86/boot/compressed/pgtable_64.c b/arch/x86/boot/compressed/pgtable_64.c
index 0e89e197e112..1b2fb35704f9 100644
--- a/arch/x86/boot/compressed/pgtable_64.c
+++ b/arch/x86/boot/compressed/pgtable_64.c
@@ -2,6 +2,7 @@
 #include "misc.h"
 #include <asm/bootparam.h>
 #include <asm/bootparam_utils.h>
+#include <asm/cpuid/api.h>
 #include <asm/e820/types.h>
 #include <asm/pgtable.h>
 #include <asm/processor.h>
diff --git a/arch/x86/boot/startup/sme.c b/arch/x86/boot/startup/sme.c
index b76a7c95dfe1..c07a2c381ed1 100644
--- a/arch/x86/boot/startup/sme.c
+++ b/arch/x86/boot/startup/sme.c
@@ -43,6 +43,7 @@
 #include <asm/init.h>
 #include <asm/setup.h>
 #include <asm/sections.h>
+#include <asm/cpuid/api.h>
 #include <asm/coco.h>
 #include <asm/sev.h>
 
diff --git a/arch/x86/coco/tdx/tdx.c b/arch/x86/coco/tdx/tdx.c
index 186915a17c50..29b6f1ed59ec 100644
--- a/arch/x86/coco/tdx/tdx.c
+++ b/arch/x86/coco/tdx/tdx.c
@@ -14,6 +14,7 @@
 #include <asm/ia32.h>
 #include <asm/insn.h>
 #include <asm/insn-eval.h>
+#include <asm/cpuid/api.h>
 #include <asm/paravirt_types.h>
 #include <asm/pgtable.h>
 #include <asm/set_memory.h>
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index 0c92ed5f464b..d66a357f219d 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -8,8 +8,10 @@
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/jiffies.h>
+
 #include <asm/apicdef.h>
 #include <asm/apic.h>
+#include <asm/cpuid/api.h>
 #include <asm/msr.h>
 #include <asm/nmi.h>
 
diff --git a/arch/x86/events/amd/ibs.c b/arch/x86/events/amd/ibs.c
index e0bd5051db2a..20c2de5c697b 100644
--- a/arch/x86/events/amd/ibs.c
+++ b/arch/x86/events/amd/ibs.c
@@ -15,6 +15,7 @@
 #include <linux/sched/clock.h>
 
 #include <asm/apic.h>
+#include <asm/cpuid/api.h>
 #include <asm/msr.h>
 
 #include "../perf_event.h"
diff --git a/arch/x86/events/amd/lbr.c b/arch/x86/events/amd/lbr.c
index d24da377df77..5b437dc8e4ce 100644
--- a/arch/x86/events/amd/lbr.c
+++ b/arch/x86/events/amd/lbr.c
@@ -1,5 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <linux/perf_event.h>
+
+#include <asm/cpuid/api.h>
 #include <asm/msr.h>
 #include <asm/perf_event.h>
 
diff --git a/arch/x86/events/amd/power.c b/arch/x86/events/amd/power.c
index dad42790cf7d..744dffa42dee 100644
--- a/arch/x86/events/amd/power.c
+++ b/arch/x86/events/amd/power.c
@@ -10,8 +10,11 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/perf_event.h>
+
 #include <asm/cpu_device_id.h>
+#include <asm/cpuid/api.h>
 #include <asm/msr.h>
+
 #include "../perf_event.h"
 
 /* Event code: LSB 8 bits, passed in attr->config any other bit is reserved. */
diff --git a/arch/x86/events/amd/uncore.c b/arch/x86/events/amd/uncore.c
index dd956cfcadef..05cff39968ec 100644
--- a/arch/x86/events/amd/uncore.c
+++ b/arch/x86/events/amd/uncore.c
@@ -16,6 +16,7 @@
 #include <linux/smp.h>
 
 #include <asm/perf_event.h>
+#include <asm/cpuid/api.h>
 #include <asm/msr.h>
 
 #define NUM_COUNTERS_NB		4
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index d9488ade0f8e..e7bea277b14a 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -17,6 +17,7 @@
 #include <linux/kvm_host.h>
 
 #include <asm/cpufeature.h>
+#include <asm/cpuid/api.h>
 #include <asm/debugreg.h>
 #include <asm/hardirq.h>
 #include <asm/intel-family.h>
diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c
index 72f2adcda7c6..cae2e02fe6cc 100644
--- a/arch/x86/events/intel/lbr.c
+++ b/arch/x86/events/intel/lbr.c
@@ -4,6 +4,7 @@
 #include <linux/types.h>
 
 #include <asm/cpu_device_id.h>
+#include <asm/cpuid/api.h>
 #include <asm/perf_event.h>
 #include <asm/msr.h>
 
diff --git a/arch/x86/events/zhaoxin/core.c b/arch/x86/events/zhaoxin/core.c
index 4bdfcf091200..6ed644fe89aa 100644
--- a/arch/x86/events/zhaoxin/core.c
+++ b/arch/x86/events/zhaoxin/core.c
@@ -13,6 +13,7 @@
 #include <linux/nmi.h>
 
 #include <asm/cpufeature.h>
+#include <asm/cpuid/api.h>
 #include <asm/hardirq.h>
 #include <asm/apic.h>
 #include <asm/msr.h>
diff --git a/arch/x86/include/asm/acrn.h b/arch/x86/include/asm/acrn.h
index fab11192c60a..db42b477c41d 100644
--- a/arch/x86/include/asm/acrn.h
+++ b/arch/x86/include/asm/acrn.h
@@ -2,6 +2,8 @@
 #ifndef _ASM_X86_ACRN_H
 #define _ASM_X86_ACRN_H
 
+#include <asm/cpuid/api.h>
+
 /*
  * This CPUID returns feature bitmaps in EAX.
  * Guest VM uses this to detect the appropriate feature bit.
diff --git a/arch/x86/include/asm/microcode.h b/arch/x86/include/asm/microcode.h
index 3c317d155771..9cd136d4515c 100644
--- a/arch/x86/include/asm/microcode.h
+++ b/arch/x86/include/asm/microcode.h
@@ -3,6 +3,7 @@
 #define _ASM_X86_MICROCODE_H
 
 #include <asm/msr.h>
+#include <asm/cpuid/api.h>
 
 struct cpu_signature {
 	unsigned int sig;
diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h
index c2fc7869b996..7c596cebfb78 100644
--- a/arch/x86/include/asm/xen/hypervisor.h
+++ b/arch/x86/include/asm/xen/hypervisor.h
@@ -37,6 +37,7 @@ extern struct shared_info *HYPERVISOR_shared_info;
 extern struct start_info *xen_start_info;
 
 #include <asm/bug.h>
+#include <asm/cpuid/api.h>
 #include <asm/processor.h>
 
 #define XEN_SIGNATURE "XenVMMXenVMM"
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 639904911444..8c614750a19b 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -64,6 +64,7 @@
 #include <asm/tsc.h>
 #include <asm/hypervisor.h>
 #include <asm/cpu_device_id.h>
+#include <asm/cpuid/api.h>
 #include <asm/intel-family.h>
 #include <asm/irq_regs.h>
 #include <asm/cpu.h>
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 2d9ae6ab1701..5bc54cabbfa1 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -16,6 +16,7 @@
 #include <asm/cacheinfo.h>
 #include <asm/cpu.h>
 #include <asm/cpu_device_id.h>
+#include <asm/cpuid/api.h>
 #include <asm/spec-ctrl.h>
 #include <asm/smp.h>
 #include <asm/numa.h>
diff --git a/arch/x86/kernel/cpu/centaur.c b/arch/x86/kernel/cpu/centaur.c
index 81695da9c524..681d2da49341 100644
--- a/arch/x86/kernel/cpu/centaur.c
+++ b/arch/x86/kernel/cpu/centaur.c
@@ -5,6 +5,7 @@
 
 #include <asm/cpu.h>
 #include <asm/cpufeature.h>
+#include <asm/cpuid/api.h>
 #include <asm/e820/api.h>
 #include <asm/mtrr.h>
 #include <asm/msr.h>
diff --git a/arch/x86/kernel/cpu/hygon.c b/arch/x86/kernel/cpu/hygon.c
index 7f95a74e4c65..3e8891a9caf2 100644
--- a/arch/x86/kernel/cpu/hygon.c
+++ b/arch/x86/kernel/cpu/hygon.c
@@ -10,6 +10,7 @@
 
 #include <asm/apic.h>
 #include <asm/cpu.h>
+#include <asm/cpuid/api.h>
 #include <asm/smp.h>
 #include <asm/numa.h>
 #include <asm/cacheinfo.h>
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index 8dd424ac5de8..f6499132cba6 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -49,6 +49,7 @@
 
 #include <asm/fred.h>
 #include <asm/cpu_device_id.h>
+#include <asm/cpuid/api.h>
 #include <asm/processor.h>
 #include <asm/traps.h>
 #include <asm/tlbflush.h>
diff --git a/arch/x86/kernel/cpu/mce/inject.c b/arch/x86/kernel/cpu/mce/inject.c
index d02c4f556cd0..42c82c14c48a 100644
--- a/arch/x86/kernel/cpu/mce/inject.c
+++ b/arch/x86/kernel/cpu/mce/inject.c
@@ -26,6 +26,7 @@
 
 #include <asm/amd/nb.h>
 #include <asm/apic.h>
+#include <asm/cpuid/api.h>
 #include <asm/irq_vectors.h>
 #include <asm/mce.h>
 #include <asm/msr.h>
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index e533881284a1..874b5b70c0d2 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -34,6 +34,7 @@
 
 #include <asm/microcode.h>
 #include <asm/processor.h>
+#include <asm/cpuid/api.h>
 #include <asm/cmdline.h>
 #include <asm/setup.h>
 #include <asm/cpu.h>
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index 651202e6fefb..56d791aeac4e 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -34,6 +34,7 @@
 
 #include <asm/apic.h>
 #include <asm/cpu_device_id.h>
+#include <asm/cpuid/api.h>
 #include <asm/perf_event.h>
 #include <asm/processor.h>
 #include <asm/cmdline.h>
diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c
index 37ac4afe0972..18d2eff7a4b7 100644
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -25,6 +25,7 @@
 #include <linux/mm.h>
 
 #include <asm/cpu_device_id.h>
+#include <asm/cpuid/api.h>
 #include <asm/processor.h>
 #include <asm/tlbflush.h>
 #include <asm/setup.h>
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index b5b6a58b67b0..640e6b223c2d 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -19,6 +19,7 @@
 #include <linux/random.h>
 #include <asm/processor.h>
 #include <asm/hypervisor.h>
+#include <asm/cpuid/api.h>
 #include <hyperv/hvhdk.h>
 #include <asm/mshyperv.h>
 #include <asm/desc.h>
diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c
index 7667cf7c4e94..9c01d2562b7a 100644
--- a/arch/x86/kernel/cpu/resctrl/core.c
+++ b/arch/x86/kernel/cpu/resctrl/core.c
@@ -22,6 +22,7 @@
 #include <linux/cpuhotplug.h>
 
 #include <asm/cpu_device_id.h>
+#include <asm/cpuid/api.h>
 #include <asm/msr.h>
 #include <asm/resctrl.h>
 #include "internal.h"
diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c
index 9bd87bae4983..145be7abee52 100644
--- a/arch/x86/kernel/cpu/resctrl/monitor.c
+++ b/arch/x86/kernel/cpu/resctrl/monitor.c
@@ -21,6 +21,7 @@
 #include <linux/resctrl.h>
 
 #include <asm/cpu_device_id.h>
+#include <asm/cpuid/api.h>
 #include <asm/msr.h>
 
 #include "internal.h"
diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c
index 837d6a4b0c28..937129ce6a96 100644
--- a/arch/x86/kernel/cpu/scattered.c
+++ b/arch/x86/kernel/cpu/scattered.c
@@ -6,6 +6,7 @@
 
 #include <asm/memtype.h>
 #include <asm/apic.h>
+#include <asm/cpuid/api.h>
 #include <asm/processor.h>
 
 #include "cpu.h"
diff --git a/arch/x86/kernel/cpu/sgx/driver.c b/arch/x86/kernel/cpu/sgx/driver.c
index 473619741bc4..9268289cd9f9 100644
--- a/arch/x86/kernel/cpu/sgx/driver.c
+++ b/arch/x86/kernel/cpu/sgx/driver.c
@@ -6,7 +6,10 @@
 #include <linux/mman.h>
 #include <linux/security.h>
 #include <linux/suspend.h>
+
+#include <asm/cpuid/api.h>
 #include <asm/traps.h>
+
 #include "driver.h"
 #include "encl.h"
 
diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
index 38b7fd2f63be..4505f808af5e 100644
--- a/arch/x86/kernel/cpu/sgx/main.c
+++ b/arch/x86/kernel/cpu/sgx/main.c
@@ -15,9 +15,12 @@
 #include <linux/slab.h>
 #include <linux/sysfs.h>
 #include <linux/vmalloc.h>
+
+#include <asm/cpuid/api.h>
 #include <asm/msr.h>
 #include <asm/sgx.h>
 #include <asm/archrandom.h>
+
 #include "driver.h"
 #include "encl.h"
 #include "encls.h"
diff --git a/arch/x86/kernel/cpu/topology_amd.c b/arch/x86/kernel/cpu/topology_amd.c
index 6ac097e13106..cc103c85b96d 100644
--- a/arch/x86/kernel/cpu/topology_amd.c
+++ b/arch/x86/kernel/cpu/topology_amd.c
@@ -2,6 +2,7 @@
 #include <linux/cpu.h>
 
 #include <asm/apic.h>
+#include <asm/cpuid/api.h>
 #include <asm/memtype.h>
 #include <asm/msr.h>
 #include <asm/processor.h>
diff --git a/arch/x86/kernel/cpu/topology_common.c b/arch/x86/kernel/cpu/topology_common.c
index d0d79d5b8eb9..cf7513416b70 100644
--- a/arch/x86/kernel/cpu/topology_common.c
+++ b/arch/x86/kernel/cpu/topology_common.c
@@ -6,6 +6,7 @@
 #include <asm/intel-family.h>
 #include <asm/apic.h>
 #include <asm/processor.h>
+#include <asm/cpuid/api.h>
 #include <asm/smp.h>
 
 #include "cpu.h"
diff --git a/arch/x86/kernel/cpu/topology_ext.c b/arch/x86/kernel/cpu/topology_ext.c
index 467b0326bf1a..eb915c73895f 100644
--- a/arch/x86/kernel/cpu/topology_ext.c
+++ b/arch/x86/kernel/cpu/topology_ext.c
@@ -2,6 +2,7 @@
 #include <linux/cpu.h>
 
 #include <asm/apic.h>
+#include <asm/cpuid/api.h>
 #include <asm/memtype.h>
 #include <asm/processor.h>
 
diff --git a/arch/x86/kernel/cpu/transmeta.c b/arch/x86/kernel/cpu/transmeta.c
index 42c939827621..1fdcd69c625c 100644
--- a/arch/x86/kernel/cpu/transmeta.c
+++ b/arch/x86/kernel/cpu/transmeta.c
@@ -3,8 +3,11 @@
 #include <linux/sched.h>
 #include <linux/sched/clock.h>
 #include <linux/mm.h>
+
 #include <asm/cpufeature.h>
+#include <asm/cpuid/api.h>
 #include <asm/msr.h>
+
 #include "cpu.h"
 
 static void early_init_transmeta(struct cpuinfo_x86 *c)
diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c
index eee0d1a48802..34b73573b108 100644
--- a/arch/x86/kernel/cpu/vmware.c
+++ b/arch/x86/kernel/cpu/vmware.c
@@ -33,6 +33,7 @@
 #include <asm/div64.h>
 #include <asm/x86_init.h>
 #include <asm/hypervisor.h>
+#include <asm/cpuid/api.h>
 #include <asm/timer.h>
 #include <asm/apic.h>
 #include <asm/vmware.h>
diff --git a/arch/x86/kernel/cpu/zhaoxin.c b/