linux/arch/x86/kernel
Linus Torvalds b9e62a2b8f Fix a boot regression on very old x86 CPUs without CPUID support.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fix from Ingo Molnar:
 "Fix a boot regression on very old x86 CPUs without CPUID support"

* tag 'x86-urgent-2025-05-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/microcode: Consolidate the loader enablement checking
2025-05-11 11:08:55 -07:00
..
acpi x86/acpi: Don't limit CPUs to 1 for Xen PV guests due to disabled ACPI 2025-04-07 16:35:21 +02:00
apic irqdomain: Rename irq_set_default_host() to irq_set_default_domain() 2025-04-04 16:39:10 +02:00
cpu x86/microcode: Consolidate the loader enablement checking 2025-05-05 10:51:00 +02:00
fpu x86/fpu: Update the outdated comment above fpstate_init_user() 2025-03-25 09:57:33 +01:00
kprobes x86/ibt: Clean up is_endbr() 2025-02-14 10:32:04 +01:00
.gitignore
Makefile x86/boot: Disable stack protector for early boot code 2025-02-18 10:14:51 +01:00
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.c x86/percpu: Move current_task to percpu hot section 2025-03-04 20:30:33 +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
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 Modules changes for 6.15-rc1 2025-03-30 15:44:36 -07:00
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
crash.c x86/smp/32: Remove safe_smp_processor_id() 2025-03-03 20:30:09 +01:00
crash_dump_32.c
crash_dump_64.c
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
dumpstack.c x86/dumpstack: Fix inaccurate unwinding from exception stacks due to misplaced assignment 2025-03-25 08:30:43 +01:00
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
e820.c x86/e820: Discard high memory that can't be addressed by 32-bit systems 2025-04-19 16:48:18 +02:00
early-quirks.c drm/intel/pciids: rename i915_pciids.h to just pciids.h 2024-10-29 16:14:04 +02:00
early_printk.c x86/early_printk: Use 'mmio32' for consistency, fix comments 2025-04-09 12:27:08 +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.c Revert "x86/module: prepare module loading for ROX allocations of text" 2025-02-03 11:46:02 +01:00
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
head32.c x86/microcode: Consolidate the loader enablement checking 2025-05-05 10:51:00 +02:00
head64.c [ Merge note: this pull request depends on you having merged 2025-03-24 22:06:11 -07:00
head_32.S x86/cleanups changes for v6.10: 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 RTC for 6.13 2025-01-30 17:50:02 -08:00
hw_breakpoint.c
i8237.c
i8253.c x86/i8253: Call clockevent_i8253_disable() with interrupts disabled 2025-04-11 07:28:20 +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.c x86/irq: Move irq stacks to percpu hot section 2025-03-04 20:30:33 +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
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
kdebugfs.c
kexec-bzimage64.c - Sumanth Korikkar has taught s390 to allocate hotplug-time page frames 2024-03-14 17:43:30 -07:00
kgdb.c x86/kgdb: use IS_ERR_PCPU() macro 2025-03-16 22:05:52 -07:00
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/mm: Fix _pgd_alloc() for Xen PV mode 2025-04-23 07:49:14 -07:00
machine_kexec_64.c x86/kexec: Use typedef for relocate_kernel_fn function prototype 2025-01-14 13:09:08 +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
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
nmi_selftest.c
paravirt-spinlocks.c
paravirt.c x86/paravirt: Move halt paravirt calls under CONFIG_PARAVIRT 2025-03-26 08:48:18 +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
pmem.c
probe_roms.c x86/sev: Skip ROM range scans and validation for SEV-SNP guests 2024-03-26 15:22:35 +01:00
process.c x86/tdx: Fix arch_safe_halt() execution for TDX VMs 2025-03-26 08:51:20 +01:00
process.h
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
ptrace.c
pvclock.c
quirks.c x86/platform: Fix missing declaration of 'x86_apple_machine' 2025-02-27 22:52:37 +01:00
reboot.c x86/smp/32: Remove safe_smp_processor_id() 2025-03-03 20:30:09 +01:00
reboot_fixups_32.c
relocate_kernel_32.S
relocate_kernel_64.S x86/kexec: Add relocate_kernel() debugging support: Load a GDT 2025-03-14 11:01:53 +01:00
resource.c
rethook.c
rtc.c x86/rtc: Remove unused intel-mid.h 2024-04-03 08:24:48 -07:00
setup.c - The 7 patch series "powerpc/crash: use generic crashkernel 2025-04-01 10:06:52 -07:00
setup_percpu.c x86/smp: Move this_cpu_off to percpu hot section 2025-03-04 20:30:33 +01:00
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.c x86/pkeys: Update PKRU to enable all pkeys before XSAVE 2024-08-02 14:12:21 +02:00
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
smp.c - Sumanth Korikkar has taught s390 to allocate hotplug-time page frames 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
static_call.c static_call_inline: Provide trampoline address when updating sites 2025-02-26 21:09:43 +05:30
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
tls.h
trace.c
trace_clock.c
tracepoint.c
traps.c [ Merge note: this pull request depends on you having merged 2025-03-24 22:06:11 -07:00
tsc.c x86/tsc: Always save/restore TSC sched_clock() on suspend/resume 2025-02-21 15:27:38 +01:00
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
umip.c
unwind_frame.c
unwind_guess.c
unwind_orc.c x86: Use RCU in all users of __module_address(). 2025-03-10 11:54:45 +01:00
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: disable image size check for test builds 2025-05-07 23:39:37 -07:00
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