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fe78079ec07fd48a19abcfeac74bc97e07171fb6
linux/arch/x86/kernel
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Ahmed S. Darwish fe78079ec0 x86/cpu: Introduce and use CPUID leaf 0x2 parsing helpers 
Introduce CPUID leaf 0x2 parsing helpers at <asm/cpuid/leaf_0x2_api.h>.
This allows sharing the leaf 0x2's output validation and iteration logic
across both x86/cpu intel.c and cacheinfo.c.

Start by converting intel.c to the new API.

Signed-off-by: Ahmed S. Darwish <darwi@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20250324133324.23458-4-darwi@linutronix.de
2025-03-25 10:22:06 +01:00
..
acpi
x86/acpi/cstate: Improve Intel Family model checks
2025-03-19 11:19:46 +01:00
apic
Merge tag 'x86-cleanups-2025-03-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-03-24 22:39:53 -07:00
cpu
x86/cpu: Introduce and use CPUID leaf 0x2 parsing helpers
2025-03-25 10:22:06 +01:00
fpu
x86/fpu/xstate: Fix inconsistencies in guest FPU xfeatures
2025-03-17 23:52:31 +01:00
kprobes
x86/ibt: Clean up is_endbr()
2025-02-14 10:32:04 +01:00
.gitignore
…
alternative.c
x86/ibt: Make cfi_bhi a constant for FINEIBT_BHI=n
2025-03-03 10:54:11 +01:00
amd_gart_64.c
change alloc_pages name in dma_map_ops to avoid name conflicts
2024-04-25 20:55:53 -07:00
amd_nb.c
x86/amd_node, platform/x86/amd/hsmp: Have HSMP use SMN through AMD_NODE
2025-03-19 11:18:05 +01:00
amd_node.c
x86/amd_node: Add support for debugfs access to SMN registers
2025-03-19 11:18:33 +01:00
aperture_64.c
x86/pci: Use PCI_HEADER_TYPE_* instead of literals
2023-12-01 15:00:43 -06:00
apm_32.c
x86/apm_32: Remove dead function apm_get_battery_status()
2024-02-21 19:38:03 +01:00
asm-offsets_32.c
…
asm-offsets_64.c
x86/stackprotector/64: Convert to normal per-CPU variable
2025-02-18 10:15:09 +01:00
asm-offsets.c
x86/percpu: Move current_task to percpu hot section
2025-03-04 20:30:33 +01:00
audit_64.c
x86/audit: Fix -Wmissing-variable-declarations warning for ia32_xyz_class
2023-08-30 10:11:16 +02:00
bootflag.c
x86/bootflag: Replace open-coded parity calculation with parity8()
2025-02-27 14:00:30 +01:00
callthunks.c
x86/alternative: Simplify callthunk patching
2025-02-14 10:32:06 +01:00
cet.c
x86/fred: Clear WFE in missing-ENDBRANCH #CPs
2024-12-29 10:18:10 +01:00
cfi.c
x86/traps: Allow custom fixups in handle_bug()
2025-02-26 12:22:39 +01:00
check.c
…
cpuid.c
x86/cpuid: make cpuid_class a static const structure
2023-08-05 08:31:41 +02:00
crash_dump_32.c
vmcore: convert copy_oldmem_page() to take an iov_iter
2022-04-29 14:37:59 -07:00
crash_dump_64.c
use less confusing names for iov_iter direction initializers
2022-11-25 13:01:55 -05:00
crash.c
x86/smp/32: Remove safe_smp_processor_id()
2025-03-03 20:30:09 +01:00
devicetree.c
x86/of: Don't use DTB for SMP setup if ACPI is enabled
2025-02-25 22:13:02 +01:00
doublefault_32.c
x86: Avoid missing-prototype warnings for doublefault code
2023-05-18 11:56:18 -07:00
dumpstack_32.c
x86/irq: Move irq stacks to percpu hot section
2025-03-04 20:30:33 +01:00
dumpstack_64.c
x86/irq: Move irq stacks to percpu hot section
2025-03-04 20:30:33 +01:00
dumpstack.c
x86: Rely on generic printing of preemption model
2025-03-17 11:23:40 +01:00
e820.c
x86/kexec: Export e820_table_kexec[] to sysfs
2025-02-22 12:44:45 +01:00
early_printk.c
x86/early_printk: Harden early_serial
2025-02-14 10:32:07 +01:00
early-quirks.c
drm/intel/pciids: rename i915_pciids.h to just pciids.h
2024-10-29 16:14:04 +02:00
ebda.c
…
eisa.c
x86/EISA: Dereference memory directly instead of using readl()
2024-08-29 15:57:09 +02:00
espfix_64.c
x86/fred: No ESPFIX needed when FRED is enabled
2024-01-31 22:01:51 +01:00
fred.c
x86/fred: Fix the FRED RSP0 MSR out of sync with its per-CPU cache
2025-01-14 14:16:36 -08:00
ftrace_32.S
fgraph: Replace fgraph_ret_regs with ftrace_regs
2024-12-26 10:50:02 -05:00
ftrace_64.S
x86/cfi: Clean up linkage
2025-02-14 10:32:05 +01:00
ftrace.c
Revert "x86/module: prepare module loading for ROX allocations of text"
2025-02-03 11:46:02 +01:00
head32.c
x86/microcode/32: Move early loading after paging enable
2023-10-18 22:15:01 +02:00
head64.c
Merge tag 'x86-core-2025-03-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-03-24 22:06:11 -07:00
head_32.S
Merge tag 'x86-cleanups-2024-05-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2024-05-13 18:21:24 -07:00
head_64.S
x86/percpu: Move current_task to percpu hot section
2025-03-04 20:30:33 +01:00
hpet.c
Merge tag 'rtc-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2025-01-30 17:50:02 -08:00
hw_breakpoint.c
x86/amd: Cache debug register values in percpu variables
2023-01-31 20:09:26 +01:00
i8237.c
…
i8253.c
x86/i8253: Disable PIT timer 0 when not in use
2024-08-02 18:27:05 +02:00
i8259.c
x86/irq: Fix missing declaration of 'io_apic_irqs'
2025-02-27 22:52:37 +01:00
ibt_selftest.S
x86/ibt: Convert IBT selftest to asm
2023-08-17 17:07:09 +02:00
idt.c
x86/irq: Install posted MSI notification handler
2024-04-30 00:54:42 +02:00
io_delay.c
…
ioport.c
x86/ioperm: Use atomic64_inc_return() in ksys_ioperm()
2025-02-23 19:18:18 +01:00
irq_32.c
x86/irq: Move irq stacks to percpu hot section
2025-03-04 20:30:33 +01:00
irq_64.c
x86/irq: Move irq stacks to percpu hot section
2025-03-04 20:30:33 +01:00
irq_work.c
x86/apic: Wrap IPI calls into helper functions
2023-08-09 12:00:55 -07:00
irq.c
x86/irq: Move irq stacks to percpu hot section
2025-03-04 20:30:33 +01:00
irqflags.S
x86/cfi: Clean up linkage
2025-02-14 10:32:05 +01:00
irqinit.c
x86/fred: Invoke FRED initialization code to enable FRED
2024-01-31 22:03:36 +01:00
itmt.c
x86/itmt: Move the "sched_itmt_enabled" sysctl to debugfs
2025-01-13 14:10:24 +01:00
jailhouse.c
xen: allow mapping ACPI data using a different physical address
2024-09-12 08:25:07 +02:00
jump_label.c
jump_label: make initial NOP patching the special case
2022-06-24 09:48:55 +02:00
kdebugfs.c
x86/boot: Fix memremap of setup_indirect structures
2022-03-09 12:49:44 +01:00
kexec-bzimage64.c
Merge tag 'mm-stable-2024-03-13-20-04' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2024-03-14 17:43:30 -07:00
kgdb.c
x86/kgdb: Fix a kerneldoc warning when build with W=1
2023-09-24 11:00:13 +02:00
ksysfs.c
x86/sysfs: Constify 'struct bin_attribute'
2024-12-06 11:06:14 +01:00
kvm.c
x86/mm: Remove pv_ops.mmu.tlb_remove_table call
2025-02-21 16:20:12 +01:00
kvmclock.c
kvmclock: Unexport kvmclock clocksource
2024-02-07 17:05:21 +01:00
ldt.c
x86/bugs: Rename CONFIG_PAGE_TABLE_ISOLATION => CONFIG_MITIGATION_PAGE_TABLE_ISOLATION
2024-01-10 10:52:28 +01:00
machine_kexec_32.c
x86/kexec: Use typedef for relocate_kernel_fn function prototype
2025-01-14 13:09:08 +01:00
machine_kexec_64.c
x86/kexec: Use typedef for relocate_kernel_fn function prototype
2025-01-14 13:09:08 +01:00
Makefile
x86/boot: Disable stack protector for early boot code
2025-02-18 10:14:51 +01:00
mmconf-fam10h_64.c
xen: allow mapping ACPI data using a different physical address
2024-09-12 08:25:07 +02:00
module.c
Merge branch 'x86/asm' into x86/core, to pick up dependent commits
2025-03-04 20:29:35 +01:00
mpparse.c
x86/mpparse: Cleanup apic_printk()s
2024-08-07 18:13:28 +02:00
msr.c
x86/MSR: make msr_class a static const structure
2023-08-05 08:31:42 +02:00
nmi_selftest.c
x86/apic: Wrap IPI calls into helper functions
2023-08-09 12:00:55 -07:00
nmi.c
x86/nmi: Add an emergency handler in nmi_desc & use it in nmi_shootdown_cpus()
2025-02-25 14:38:43 +01:00
paravirt-spinlocks.c
…
paravirt.c
Merge branch 'x86/asm' into x86/core, to pick up dependent commits
2025-03-04 20:29:35 +01:00
pci-dma.c
Documentation: Merge x86-specific boot options doc into kernel-parameters.txt
2024-12-10 18:25:40 +01:00
pcspeaker.c
…
perf_regs.c
…
platform-quirks.c
x86/quirks: Include linux/pnp.h for arch_pnpbios_disabled()
2023-05-18 11:56:18 -07:00
pmem.c
x86/pmem: Fix platform-device leak in error path
2022-06-20 18:01:16 +02:00
probe_roms.c
x86/sev: Skip ROM range scans and validation for SEV-SNP guests
2024-03-26 15:22:35 +01:00
process_32.c
x86/percpu: Move current_task to percpu hot section
2025-03-04 20:30:33 +01:00
process_64.c
x86/percpu: Move current_task to percpu hot section
2025-03-04 20:30:33 +01:00
process.c
Merge tag 'x86-fpu-2025-03-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-03-24 22:27:18 -07:00
process.h
x86: Snapshot thread flags
2021-12-01 00:06:43 +01:00
ptrace.c
x86: Add PTRACE interface for shadow stack
2023-08-02 15:01:51 -07:00
pvclock.c
locking/atomic: treewide: use raw_atomic*_<op>()
2023-06-05 09:57:20 +02:00
quirks.c
x86/platform: Fix missing declaration of 'x86_apple_machine'
2025-02-27 22:52:37 +01:00
reboot_fixups_32.c
…
reboot.c
x86/smp/32: Remove safe_smp_processor_id()
2025-03-03 20:30:09 +01:00
relocate_kernel_32.S
x86/kexec: Disable RET on kexec
2022-07-09 13:12:32 +02:00
relocate_kernel_64.S
x86/kexec: Add relocate_kernel() debugging support: Load a GDT
2025-03-14 11:01:53 +01:00
resource.c
x86/PCI: Tidy E820 removal messages
2022-12-10 10:33:11 -06:00
rethook.c
x86,rethook: Fix arch_rethook_trampoline() to generate a complete pt_regs
2022-03-28 19:38:51 -07:00
rtc.c
x86/rtc: Remove unused intel-mid.h
2024-04-03 08:24:48 -07:00
setup_percpu.c
x86/smp: Move this_cpu_off to percpu hot section
2025-03-04 20:30:33 +01:00
setup.c
Merge tag 'x86-boot-2025-03-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-03-24 22:25:21 -07:00
sev_verify_cbit.S
x86/boot: Use 32-bit XOR to clear registers
2024-03-01 12:47:37 +01:00
shstk.c
uprobe: Add uretprobe syscall to speed up return probe
2024-06-12 08:44:28 +09:00
signal_32.c
x86/ia32: Leave NULL selector values 0~3 unchanged
2025-02-27 22:46:11 +01:00
signal_64.c
x86/pkeys: Restore altstack access in sigreturn()
2024-08-02 14:12:21 +02:00
signal.c
x86/pkeys: Update PKRU to enable all pkeys before XSAVE
2024-08-02 14:12:21 +02:00
smp.c
Merge tag 'mm-stable-2024-03-13-20-04' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2024-03-14 17:43:30 -07:00
smpboot.c
x86/smpboot: Fix INIT delay assignment for extended Intel Families
2025-03-19 11:19:50 +01:00
stacktrace.c
x86: remove __range_not_ok()
2022-02-25 09:36:05 +01:00
static_call.c
x86/static-call: Remove early_boot_irqs_disabled check to fix Xen PVH dom0
2025-01-02 17:11:29 +01:00
step.c
x86/msr: Prepare for including <linux/percpu.h> into <asm/msr.h>
2024-03-04 12:01:39 +01:00
sys_ia32.c
…
sys_x86_64.c
arch/x86: teach arch_get_unmapped_area_vmflags to handle hugetlb mappings
2024-11-06 20:11:10 -08:00
tboot.c
x86/e820: Drop obsolete E820_TYPE_RESERVED_KERN and related code
2025-02-21 16:05:00 +01:00
time.c
x86: stop playing stack games in profile_pc()
2024-06-28 14:27:22 -07:00
tls.c
x86/gsseg: Move load_gs_index() to its own new header file
2023-01-12 13:06:36 +01:00
tls.h
…
trace_clock.c
…
trace.c
trace/osnoise: Fix an ifdef comment
2021-10-25 23:02:36 -04:00
tracepoint.c
x86/traceponit: Fix comment about irq vector tracepoints
2022-05-26 22:03:52 -04:00
traps.c
Merge tag 'x86-core-2025-03-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2025-03-24 22:06:11 -07:00
tsc_msr.c
x86/cpu: Fix #define name for Intel CPU model 0x5A
2025-02-04 10:05:53 -08:00
tsc_sync.c
x86/tsc: Trust initial offset in architectural TSC-adjust MSRs
2024-04-29 23:27:16 +02:00
tsc.c
x86/tsc: Always save/restore TSC sched_clock() on suspend/resume
2025-02-21 15:27:38 +01:00
umip.c
x86/umip: Downgrade warning messages to debug loglevel
2021-09-25 13:23:28 +02:00
unwind_frame.c
x86: kmsan: don't instrument stack walking functions
2022-10-03 14:03:25 -07:00
unwind_guess.c
x86/unwind: Recover kretprobe trampoline entry
2021-09-30 21:24:07 -04:00
unwind_orc.c
x86/unwind/orc: Fix unwind for newly forked tasks
2024-10-17 15:13:07 -07:00
uprobes.c
uprobes/x86: Harden uretprobe syscall trampoline check
2025-03-06 12:22:45 +01:00
verify_cpu.S
x86/cpufeatures: Generate the <asm/cpufeaturemasks.h> header based on build config
2025-03-19 11:15:11 +01:00
vm86_32.c
arch: remove get_task_comm() and print task comm directly
2025-01-12 20:21:15 -08:00
vmcore_info_32.c
crash: split vmcoreinfo exporting code out from crash_core.c
2024-02-23 17:48:22 -08:00
vmcore_info_64.c
crash: split vmcoreinfo exporting code out from crash_core.c
2024-02-23 17:48:22 -08:00
vmlinux.lds.S
x86/percpu: Fix __per_cpu_hot_end marker
2025-03-04 20:30:33 +01:00
vsmp_64.c
x86/apic: Remove unused phys_pkg_id() callback
2024-02-15 22:07:38 +01:00
x86_init.c
xen: allow mapping ACPI data using a different physical address
2024-09-12 08:25:07 +02:00