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d4b5a5c993009ffeb5febe3b701da3faab6adb96
linux/arch/x86/kernel
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Peter Zijlstra d4b5a5c993 x86/alternative: Add debug prints to apply_retpolines() 
Make sure we can see the text changes when booting with
'debug-alternative'.

Example output:

 [ ] SMP alternatives: retpoline at: __traceiter_initcall_level+0x1f/0x30 (ffffffff8100066f) len: 5 to: __x86_indirect_thunk_rax+0x0/0x20
 [ ] SMP alternatives: ffffffff82603e58: [2:5) optimized NOPs: ff d0 0f 1f 00
 [ ] SMP alternatives: ffffffff8100066f: orig: e8 cc 30 00 01
 [ ] SMP alternatives: ffffffff8100066f: repl: ff d0 0f 1f 00

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Borislav Petkov <bp@suse.de>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Tested-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/r/20211026120310.422273830@infradead.org
2021-10-28 23:25:28 +02:00
..
acpi
x86: Fix typo s/ECLR/ELCR/ for the PIC register
2021-08-10 23:31:44 +02:00
apic
Merge tag 'x86-irq-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-08-30 15:20:05 -07:00
cpu
Merge tag 'x86_urgent_for_v5.15_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-09-19 13:29:36 -07:00
fpu
x86/fpu/xstate: Clear xstate header in copy_xstate_to_uabi_buf() again
2021-06-24 17:19:51 +02:00
kprobes
Merge branch 'akpm' (patches from Andrew)
2021-07-02 12:08:10 -07:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
alternative.c
x86/alternative: Add debug prints to apply_retpolines()
2021-10-28 23:25:28 +02:00
amd_gart_64.c
x86/amd_gart: don't set failed sg dma_address to DMA_MAPPING_ERROR
2021-08-09 17:13:06 +02:00
amd_nb.c
hwmon: (k10temp) Add support for yellow carp
2021-08-27 13:54:58 -07:00
aperture_64.c
memblock: make memblock_find_in_range method private
2021-09-03 09:58:17 -07:00
apm_32.c
x86: Fix various typos in comments, take #2
2021-03-21 23:50:28 +01:00
asm-offsets_32.c
x86/stackprotector/32: Make the canary into a regular percpu variable
2021-03-08 13:19:05 +01:00
asm-offsets_64.c
x86/xen: Drop USERGS_SYSRET64 paravirt call
2021-02-10 12:32:07 +01:00
asm-offsets.c
x86/paravirt: Switch iret pvops to ALTERNATIVE
2021-03-11 19:58:54 +01:00
audit_64.c
x86/audit: Fix a -Wmissing-prototypes warning for ia32_classify_syscall()
2020-05-19 18:03:07 +02:00
bootflag.c
…
check.c
…
cpuid.c
smp: Cleanup smp_call_function*()
2020-11-24 16:47:49 +01:00
crash_core_32.c
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
crash_core_64.c
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
crash_dump_32.c
x86/crashdump/32: Simplify copy_oldmem_page()
2020-11-24 14:42:09 +01:00
crash_dump_64.c
…
crash.c
x86/crash: Remove crash_reserve_low_1M()
2021-06-07 12:14:45 +02:00
devicetree.c
x86/devicetree: Fix the ioapic interrupt type table
2020-10-28 20:26:24 +01:00
doublefault_32.c
x86/stackprotector/32: Make the canary into a regular percpu variable
2021-03-08 13:19:05 +01:00
dumpstack_32.c
x86/32: Remove CONFIG_DOUBLEFAULT
2020-04-14 14:24:05 +02:00
dumpstack_64.c
x86/irq/64: Adjust the per CPU irq stack pointer by 8
2021-02-10 23:34:14 +01:00
dumpstack.c
x86/dumpstack: use %pSb/%pBb for backtrace printing
2021-07-08 11:48:22 -07:00
e820.c
Merge tag 'pm-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2021-04-26 15:10:25 -07:00
early_printk.c
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
early-quirks.c
x86/gpu: add JasperLake to gen11 early quirks
2021-06-08 12:24:43 +02:00
ebda.c
…
eisa.c
…
espfix_64.c
mm: introduce include/linux/pgtable.h
2020-06-09 09:39:13 -07:00
ftrace_32.S
x86: Change {JMP,CALL}_NOSPEC argument
2020-04-30 20:14:34 +02:00
ftrace_64.S
x86/ftrace: Support objtool vmlinux.o validation in ftrace_64.S
2021-01-26 11:33:02 -06:00
ftrace.c
x86: Remove dynamic NOP selection
2021-03-15 16:24:59 +01:00
head32.c
…
head64.c
x86/sev-es: Rename sev-es.{ch} to sev.{ch}
2021-05-10 07:40:27 +02:00
head_32.S
printk: Userspace format indexing support
2021-07-19 11:57:48 +02:00
head_64.S
x86/entry: Unify definitions from <asm/calling.h> and <asm/ptrace-abi.h>
2021-05-12 10:49:13 +02:00
hpet.c
x86/msi: Force affinity setup before startup
2021-08-10 10:59:21 +02:00
hw_breakpoint.c
x86/debug: Prevent data breakpoints on cpu_dr7
2021-02-05 20:13:12 +01:00
i8237.c
…
i8253.c
…
i8259.c
x86: Avoid magic number with ELCR register accesses
2021-08-10 23:31:43 +02:00
idt.c
Merge tag 'x86-irq-2021-06-29' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-06-29 12:36:59 -07:00
io_delay.c
…
ioport.c
x86/ioperm: Prevent a memory leak when fork fails
2020-05-28 21:36:20 +02:00
irq_32.c
softirq: Move do_softirq_own_stack() to generic asm header
2021-02-10 23:34:16 +01:00
irq_64.c
x86/softirq/64: Inline do_softirq_own_stack()
2021-02-10 23:34:17 +01:00
irq_work.c
x86/entry: Convert various system vectors
2020-06-11 15:15:14 +02:00
irq.c
x86: Fix various typos in comments
2021-03-18 15:31:53 +01:00
irqflags.S
x86/xen: Make save_fl() noinstr
2021-09-17 13:14:44 +02:00
irqinit.c
x86/headers: Remove APIC headers from <asm/smp.h>
2020-08-06 16:13:09 +02:00
itmt.c
sysctl: pass kernel pointers to ->proc_handler
2020-04-27 02:07:40 -04:00
jailhouse.c
locking/seqlock, headers: Untangle the spaghetti monster
2020-08-06 16:13:13 +02:00
jump_label.c
jump_labels: Mark __jump_label_transform() as __always_inlined to work around aggressive compiler un-inlining
2021-07-13 06:32:05 +02:00
kdebugfs.c
x86/boot: Introduce setup_indirect
2019-11-12 16:21:15 +01:00
kexec-bzimage64.c
x86: Use ELF fields defined in 'struct kimage'
2021-03-08 12:06:29 -07:00
kgdb.c
x86: Fix various typos in comments
2021-03-18 15:31:53 +01:00
ksysfs.c
x86/boot: Introduce setup_indirect
2019-11-12 16:21:15 +01:00
kvm.c
x86/kvm: Don't enable IRQ when IRQ enabled in kvm_wait
2021-09-06 06:32:35 -04:00
kvmclock.c
x86/kvmclock: Move this_cpu_pvti into kvmclock.h
2021-09-30 04:08:01 -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: Set_[gi]dt() -> native_[gi]dt_invalidate() in machine_kexec_*.c
2021-05-21 12:36:45 +02:00
Makefile
Merge tag 'drm-misc-next-2021-07-22' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2021-07-23 11:32:43 +10:00
mmconf-fam10h_64.c
x86/msr: Rename MSR_K8_SYSCFG to MSR_AMD64_SYSCFG
2021-05-10 07:51:38 +02:00
module.c
x86/alternative: Implement .retpoline_sites support
2021-10-28 23:25:27 +02:00
mpparse.c
x86: Avoid magic number with ELCR register accesses
2021-08-10 23:31:43 +02:00
msr.c
x86/MSR: Filter MSR writes through X86_IOC_WRMSR_REGS ioctl too
2021-01-27 19:06:47 +01:00
nmi_selftest.c
…
nmi.c
x86/sev-es: Rename sev-es.{ch} to sev.{ch}
2021-05-10 07:40:27 +02:00
paravirt-spinlocks.c
x86/paravirt: Add new features for paravirt patching
2021-03-11 19:51:49 +01:00
paravirt.c
x86/xen: Make irq_disable() noinstr
2021-09-17 13:20:23 +02:00
pci-dma.c
dma-mapping: move dma-debug.h to kernel/dma/
2020-10-06 07:07:05 +02:00
pci-iommu_table.c
x86: Remove definition of DEBUG
2021-01-15 08:23:10 +01:00
pci-swiotlb.c
dma-mapping: fix filename references
2019-09-03 08:36:30 +02:00
pcspeaker.c
…
perf_regs.c
Merge tag 'x86_cleanups_for_v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-12-14 13:45:26 -08:00
platform-quirks.c
…
pmem.c
…
probe_roms.c
maccess: make get_kernel_nofault() check for minimal type compatibility
2020-06-18 12:10:37 -07:00
process_32.c
x86/dumpstack: Add log_lvl to __show_regs()
2020-07-22 23:56:53 +02:00
process_64.c
x86/fpu: Add PKRU storage outside of task XSAVE buffer
2021-06-23 19:37:45 +02:00
process.c
Merge tag 'x86-fpu-2021-07-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-07-07 11:12:01 -07:00
process.h
x86: Use the correct SPDX License Identifier in headers
2019-10-01 20:31:35 +02:00
ptrace.c
x86/regs: Syscall_get_nr() returns -1 for a non-system call
2021-05-12 10:49:15 +02:00
pvclock.c
x86: Fix various typos in comments
2021-03-18 15:31:53 +01:00
quirks.c
x86, powerpc: Rename memcpy_mcsafe() to copy_mc_to_{user, kernel}()
2020-10-06 11:18:04 +02:00
reboot_fixups_32.c
…
reboot.c
x86/reboot: Limit Dell Optiplex 990 quirk to early BIOS versions
2021-08-12 12:06:58 +02:00
relocate_kernel_32.S
x86: Fix various typos in comments, take #2
2021-03-21 23:50:28 +01:00
relocate_kernel_64.S
x86: Fix various typos in comments, take #2
2021-03-21 23:50:28 +01:00
resource.c
…
rtc.c
…
setup_percpu.c
memblock: introduce saner 'memblock_free_ptr()' interface
2021-09-14 13:23:22 -07:00
setup.c
x86/setup: Call early_reserve_memory() earlier
2021-09-21 09:52:08 +02:00
sev_verify_cbit.S
x86/boot/compressed/64: Check SEV encryption in 64-bit boot-path
2020-10-29 18:06:52 +01:00
sev-shared.c
x86/sev: Fix noinstr for vc_ghcb_invalidate()
2021-09-15 15:51:47 +02:00
sev.c
x86/sev: Use "SEV: " prefix for messages from sev.c
2021-06-23 11:56:18 +02:00
signal_compat.c
signal: Verify the alignment and size of siginfo_t
2021-07-23 13:15:31 -05:00
signal.c
Merge tag 'x86-fpu-2021-07-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-07-07 11:12:01 -07:00
smp.c
x86: Fix various typos in comments, take #2
2021-03-21 23:50:28 +01:00
smpboot.c
x86/smp: Add a per-cpu view of SMT state
2021-07-28 11:42:23 +02:00
stacktrace.c
stacktrace: Move documentation for arch_stack_walk_reliable() to header
2021-03-10 15:52:31 +01:00
static_call.c
x86: Remove dynamic NOP selection
2021-03-15 16:24:59 +01:00
step.c
entry: Ensure trap after single-step on system call return
2021-02-06 00:21:42 +01:00
sys_ia32.c
x86: switch to kernel_clone()
2020-08-20 13:12:58 +02:00
sys_x86_64.c
x86/mm: Refine mmap syscall implementation
2021-01-05 19:07:42 +01:00
tboot.c
x86/boot/tboot: Avoid Wstringop-overread-warning
2021-03-23 00:16:13 +01:00
time.c
Merge tag 'x86-urgent-2020-06-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-06-11 15:54:31 -07:00
tls.c
x86/stackprotector/32: Make the canary into a regular percpu variable
2021-03-08 13:19:05 +01:00
tls.h
x86: switch to ->regset_get()
2020-07-27 14:31:07 -04:00
topology.c
x86: Fix various typos in comments
2021-03-18 15:31:53 +01:00
trace_clock.c
…
trace.c
trace/osnoise: Fix 'no previous prototype' warnings
2021-06-28 14:12:26 -04:00
tracepoint.c
x86/entry: Convert reschedule interrupt to IDTENTRY_SYSVEC_SIMPLE
2020-06-11 15:15:16 +02:00
traps.c
Merge tag 'x86-fpu-2021-07-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-07-07 11:12:01 -07:00
tsc_msr.c
Merge tag 'x86-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-08-15 10:38:03 -07:00
tsc_sync.c
x86: Fix various typos in comments, take #2
2021-03-21 23:50:28 +01:00
tsc.c
clocksource: Reduce clocksource-skew threshold
2021-06-22 16:53:16 +02:00
umip.c
x86/insn: Extend error reporting from insn_fetch_from_user[_inatomic]()
2021-06-15 11:39:30 +02:00
unwind_frame.c
Merge tag 'fork-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
2020-08-04 14:47:45 -07:00
unwind_guess.c
…
unwind_orc.c
x86/unwind/orc: Silence warnings caused by missing ORC data
2021-03-06 13:09:45 +01:00
uprobes.c
x86/uprobes: Convert to insn_decode()
2021-03-15 12:05:03 +01:00
verify_cpu.S
x86/asm: Annotate local pseudo-functions
2019-10-18 10:04:04 +02:00
vm86_32.c
x86/vm86/32: Remove VM86_SCREEN_BITMAP support
2021-01-21 20:08:53 +01:00
vmlinux.lds.S
objtool,x86: Replace alternatives with .retpoline_sites
2021-10-28 23:25:25 +02:00
vsmp_64.c
…
x86_init.c
x86/apic: Support 15 bits of APIC ID in MSI where available
2020-10-28 20:26:29 +01:00