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linux/arch/x86/kernel
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Borislav Petkov (AMD) 6b8d5dde5b x86/tsc: Do feature check as the very first thing 
Do the feature check as the very first thing in the function. Everything
else comes after that and is meaningless work if the TSC CPUID bit is
not even set. Switch to cpu_feature_enabled() too, while at it.

No functional changes.

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/Y5990CUCuWd5jfBH@zn.tnic
2023-02-11 10:44:07 +01:00
..
acpi
x86/acpi/cstate: Optimize ARB_DISABLE on Centaur CPUs
2022-11-11 09:42:05 -08:00
apic
A set of changes for the x86 APIC code:
2022-12-12 12:30:31 -08:00
cpu
x86/cacheinfo: Remove unused trace variable
2023-02-11 10:43:31 +01:00
fpu
* Clarify XSAVE consistency warnings
2022-12-12 14:41:57 -08:00
kprobes
x86/kprobes: Fix optprobe optimization check with CONFIG_RETHUNK
2022-12-27 12:51:58 +01:00
.gitignore
…
alternative.c
New Feature:
2022-12-17 14:06:53 -06:00
amd_gart_64.c
x86/mm: Remove P*D_PAGE_MASK and P*D_PAGE_SIZE macros
2022-12-15 10:37:27 -08:00
amd_nb.c
x86/amd_nb: Add AMD PCI IDs for SMN communication
2022-07-20 17:35:40 +02:00
aperture_64.c
x86: Fix various duplicate-word comment typos
2022-08-15 19:17:52 +02:00
apm_32.c
x86/ibt: Disable IBT around firmware
2022-03-15 10:32:40 +01:00
asm-offsets_32.c
…
asm-offsets_64.c
x86: Fixup asm-offsets duplicate
2022-10-17 16:41:06 +02:00
asm-offsets.c
Linux 6.1-rc6
2022-11-21 23:01:51 +01:00
audit_64.c
audit: add support for the openat2 syscall
2021-10-01 16:52:48 -04:00
bootflag.c
…
callthunks.c
x86/calldepth: Fix incorrect init section references
2022-12-27 12:51:58 +01:00
cfi.c
x86: Add support for CONFIG_CFI_CLANG
2022-09-26 10:13:16 -07:00
check.c
…
cpuid.c
driver core: make struct class.devnode() take a const *
2022-11-24 17:12:27 +01:00
crash_core_32.c
…
crash_core_64.c
…
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/kexec: Fix double-free of elf header buffer
2023-01-02 18:56:21 +01:00
devicetree.c
x86/of: Add support for boot time interrupt delivery mode configuration
2022-12-02 14:57:14 +01:00
doublefault_32.c
exit/doublefault: Remove apparently bogus comment about rewind_stack_do_exit
2021-10-20 13:09:43 -05:00
dumpstack_32.c
x86/percpu: Move irq_stack variables next to current_task
2022-10-17 16:41:05 +02:00
dumpstack_64.c
x86/percpu: Move irq_stack variables next to current_task
2022-10-17 16:41:05 +02:00
dumpstack.c
- Yu Zhao's Multi-Gen LRU patches are here. They've been under test in
2022-10-10 17:53:04 -07:00
e820.c
x86/setup: Move duplicate boot_cpu_data definition out of the ifdeffery
2023-01-11 12:45:16 +01:00
early_printk.c
x86/earlyprintk: Clean up pciserial
2022-08-29 12:19:25 +02:00
early-quirks.c
drm/i915/rpl-p: Add PCI IDs
2022-04-19 17:14:09 -07:00
ebda.c
…
eisa.c
…
espfix_64.c
x86/espfix: Use get_random_long() rather than archrandom
2022-10-31 20:12:50 +01:00
ftrace_32.S
x86: Prepare asm files for straight-line-speculation
2021-12-08 12:25:37 +01:00
ftrace_64.S
Merge branch 'x86/urgent' into x86/core, to resolve conflict
2022-10-22 10:06:18 +02:00
ftrace.c
New Feature:
2022-12-17 14:06:53 -06:00
head32.c
…
head64.c
x86/mm: Remove P*D_PAGE_MASK and P*D_PAGE_SIZE macros
2022-12-15 10:37:27 -08:00
head_32.S
x86/asm/32: Remove setup_once()
2022-12-02 14:06:34 +01:00
head_64.S
x86/callthunks: Add call patching for call depth tracking
2022-10-17 16:41:13 +02:00
hpet.c
rtc: Check return value from mc146818_get_time()
2021-12-16 21:50:06 +01:00
hw_breakpoint.c
x86/mm: Randomize per-cpu entry area
2022-12-15 10:37:26 -08:00
i8237.c
…
i8253.c
…
i8259.c
x86/i8259: Make default_legacy_pic static
2022-10-31 10:20:32 +01:00
idt.c
x86/traps: Add #VE support for TDX guest
2022-04-07 08:27:51 -07:00
io_delay.c
…
ioport.c
…
irq_32.c
x86/percpu: Move irq_stack variables next to current_task
2022-10-17 16:41:05 +02:00
irq_64.c
x86/percpu: Move irq_stack variables next to current_task
2022-10-17 16:41:05 +02:00
irq_work.c
…
irq.c
x86/irq: Ensure PI wakeup handler is unregistered before module unload
2021-10-22 12:45:35 -04:00
irqflags.S
x86: Prepare asm files for straight-line-speculation
2021-12-08 12:25:37 +01:00
irqinit.c
…
itmt.c
x86/sched: Decrease further the priorities of SMT siblings
2021-10-05 15:51:59 +02:00
jailhouse.c
…
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
integrity-v6.0
2022-08-02 15:21:18 -07:00
kgdb.c
…
ksysfs.c
x86/boot: Fix memremap of setup_indirect structures
2022-03-09 12:49:44 +01:00
kvm.c
ARM64:
2022-12-15 11:12:21 -08:00
kvmclock.c
x86/kvm: Don't waste kvmclock memory if there is nopv parameter
2022-04-13 13:37:19 -04:00
ldt.c
memcg: enable accounting for ldt_struct objects
2021-09-03 09:58:13 -07:00
machine_kexec_32.c
x86/kexec: Set_[gi]dt() -> native_[gi]dt_invalidate() in machine_kexec_*.c
2021-05-21 12:36:45 +02:00
machine_kexec_64.c
x86/kexec: fix memory leak of elf header buffer
2022-06-01 15:57:16 -07:00
Makefile
- Add the call depth tracking mitigation for Retbleed which has
2022-12-14 15:03:00 -08:00
mmconf-fam10h_64.c
x86/msr: Rename MSR_K8_SYSCFG to MSR_AMD64_SYSCFG
2021-05-10 07:51:38 +02:00
module.c
- Add the call depth tracking mitigation for Retbleed which has
2022-12-14 15:03:00 -08:00
mpparse.c
x86: Avoid magic number with ELCR register accesses
2021-08-10 23:31:43 +02:00
msr.c
driver core: make struct class.devnode() take a const *
2022-11-24 17:12:27 +01:00
nmi_selftest.c
…
nmi.c
x86/nmi: Make register_nmi_handler() more robust
2022-05-17 09:25:25 +02:00
paravirt-spinlocks.c
…
paravirt.c
x86/paravirt: Use common macro for creating simple asm paravirt functions
2022-11-24 13:56:44 +01:00
pci-dma.c
swiotlb: merge swiotlb-xen initialization into swiotlb
2022-04-18 07:21:13 +02:00
pcspeaker.c
…
perf_regs.c
…
platform-quirks.c
…
pmem.c
x86/pmem: Fix platform-device leak in error path
2022-06-20 18:01:16 +02:00
probe_roms.c
x86/kernel: Validate ROM memory before accessing when SEV-SNP is active
2022-04-06 13:23:09 +02:00
process_32.c
x86/percpu: Move current_top_of_stack next to current_task
2022-10-17 16:41:05 +02:00
process_64.c
- Add the call depth tracking mitigation for Retbleed which has
2022-12-14 15:03:00 -08:00
process.c
Random number generator updates for Linux 6.2-rc1.
2022-12-12 16:22:22 -08:00
process.h
x86: Snapshot thread flags
2021-12-01 00:06:43 +01:00
ptrace.c
x86: Improve formatting of user_regset arrays
2022-11-01 15:36:52 -07:00
pvclock.c
…
quirks.c
…
reboot_fixups_32.c
…
reboot.c
x86: Use do_kernel_power_off()
2022-05-19 19:30:31 +02:00
relocate_kernel_32.S
x86/kexec: Disable RET on kexec
2022-07-09 13:12:32 +02:00
relocate_kernel_64.S
x86/callthunks: Add call patching for call depth tracking
2022-10-17 16:41:13 +02:00
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: Rename mach_set_rtc_mmss() to mach_set_cmos_time()
2022-08-14 11:24:29 +02:00
setup_percpu.c
- Add the call depth tracking mitigation for Retbleed which has
2022-12-14 15:03:00 -08:00
setup.c
x86/setup: Move duplicate boot_cpu_data definition out of the ifdeffery
2023-01-11 12:45:16 +01:00
sev_verify_cbit.S
x86: Prepare asm files for straight-line-speculation
2021-12-08 12:25:37 +01:00
sev-shared.c
Revert "x86/sev: Expose sev_es_ghcb_hv_call() for use by HyperV"
2022-07-27 18:09:13 +02:00
sev.c
x86/insn: Avoid namespace clash by separating instruction decoder MMIO type from MMIO trace type
2023-01-03 18:46:06 +01:00
signal_32.c
x86/signal/32: Merge native and compat 32-bit signal code
2022-10-19 09:58:49 +02:00
signal_64.c
x86/signal/64: Move 64-bit signal code to its own file
2022-10-19 09:58:49 +02:00
signal_compat.c
signal: Deliver SIGTRAP on perf event asynchronously if blocked
2022-04-22 12:14:05 +02:00
signal.c
x86/signal: Fix the value returned by strict_sas_size()
2023-01-15 09:54:27 +01:00
smp.c
…
smpboot.c
- Add the call depth tracking mitigation for Retbleed which has
2022-12-14 15:03:00 -08:00
stacktrace.c
x86: remove __range_not_ok()
2022-02-25 09:36:05 +01:00
static_call.c
static_call: Add call depth tracking support
2022-10-17 16:41:16 +02:00
step.c
ptrace: Reimplement PTRACE_KILL by always sending SIGKILL
2022-05-11 14:34:28 -05:00
sys_ia32.c
…
sys_x86_64.c
x86/mm: Cleanup the control_va_addr_alignment() __setup handler
2022-05-04 18:20:42 +02:00
tboot.c
mm: remove rb tree.
2022-09-26 19:46:16 -07:00
time.c
…
tls.c
…
tls.h
…
topology.c
x86/cpu: Switch to cpu_feature_enabled() for X86_FEATURE_XENPV
2022-11-22 16:18:19 +01:00
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
- Add the call depth tracking mitigation for Retbleed which has
2022-12-14 15:03:00 -08:00
tsc_msr.c
…
tsc_sync.c
x86/tsc: Add a timer to make sure TSC_adjust is always checked
2021-12-02 00:40:35 +01:00
tsc.c
x86/tsc: Do feature check as the very first thing
2023-02-11 10:44:07 +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
Linux 6.1-rc6
2022-11-21 23:01:51 +01:00
uprobes.c
uprobes/x86: Allow to probe a NOP instruction with 0x66 prefix
2022-12-05 11:55:18 +01:00
verify_cpu.S
x86: Prepare asm files for straight-line-speculation
2021-12-08 12:25:37 +01:00
vm86_32.c
x86/32: Remove lazy GS macros
2022-04-14 14:09:43 +02:00
vmlinux.lds.S
x86/ibt: Implement FineIBT
2022-11-01 13:44:10 +01:00
vsmp_64.c
…
x86_init.c
x86/boot: Skip realmode init code when running as Xen PV guest
2022-11-25 12:05:22 +01:00