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linux/arch/x86/kernel
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Josh Poimboeuf 58c3862b52 x86/unwind: Show function name+offset in ORC error messages 
Improve the warning messages to show the relevant function name+offset.
This makes it much easier to diagnose problems with the ORC metadata.

Before:

  WARNING: can't dereference iret registers at ffff8801c5f17fe0 for ip ffffffff95f0d94b

After:

  WARNING: can't dereference iret registers at ffff880178f5ffe0 for ip int3+0x5b/0x60

Reported-by: Andrei Vagin <avagin@virtuozzo.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: ee9f8fce99 ("x86/unwind: Add the ORC unwinder")
Link: http://lkml.kernel.org/r/6bada6b9eac86017e16bd79e1e77877935cb50bb.1508516398.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-10-23 13:30:36 +02:00
..
acpi dmi: Mark all struct dmi_system_id instances const 2017-09-14 11:59:30 +02:00
apic x86/apic: Update TSC_DEADLINE quirk with additional SKX stepping 2017-10-12 17:10:11 +02:00
cpu x86/microcode/intel: Disable late loading on model 79 2017-10-18 15:20:20 +02:00
fpu x86/fpu: Use using_compacted_format() instead of open coded X86_FEATURE_XSAVES 2017-09-26 09:43:48 +02:00
kprobes kprobes/x86: Remove IRQ disabling from jprobe handlers 2017-10-03 19:11:48 +02:00
.gitignore
alternative.c x86: Clarify/fix no-op barriers for text_poke_bp() 2017-08-10 17:35:19 +02:00
amd_gart_64.c x86: remove arch specific dma_supported implementation 2017-06-28 06:54:46 -07:00
amd_nb.c x86/cpu/AMD: Apply the Erratum 688 fix when the BIOS doesn't 2017-10-22 13:06:02 +02:00
apb_timer.c Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-12-25 14:30:04 -08:00
aperture_64.c x86/boot/e820: Prefix the E820_* type names with "E820_TYPE_" 2017-01-28 22:55:22 +01:00
apm_32.c dmi: Mark all struct dmi_system_id instances const 2017-09-14 11:59:30 +02:00
asm-offsets_32.c x86/lguest: Remove lguest support 2017-08-24 09:57:28 +02:00
asm-offsets_64.c x86/xen: Get rid of paravirt op adjust_exception_frame 2017-08-31 21:35:10 +02:00
asm-offsets.c efi: Get and store the secure boot status 2017-02-07 10:42:10 +01:00
audit_64.c
bootflag.c
check.c
cpuid.c Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-12-12 19:25:04 -08:00
crash_dump_32.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
crash_dump_64.c
crash.c kexec: move vmcoreinfo out of the kernel's .bss section 2017-07-12 16:25:59 -07:00
devicetree.c x86/devicetree: Convert to using %pOF instead of ->full_name 2017-07-21 10:14:15 +02:00
doublefault.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/debug.h> 2017-03-02 08:42:34 +01:00
dumpstack_32.c x86/dumpstack: Fix interrupt and exception stack boundary checks 2017-07-18 10:56:23 +02:00
dumpstack_64.c x86/dumpstack: Fix interrupt and exception stack boundary checks 2017-07-18 10:56:23 +02:00
dumpstack.c x86/asm/32: Remove a bunch of '& 0xffff' from pt_regs segment reads 2017-07-30 12:04:41 +02:00
e820.c x86/boot/e820: Add support to determine the E820 type of an address 2017-07-18 11:38:01 +02:00
early_printk.c x86/earlyprintk: Add support for earlyprintk via USB3 debug port 2017-03-21 12:30:16 +01:00
early-quirks.c ACPI updates for v4.14-rc1 2017-09-05 12:45:03 -07:00
ebda.c
eisa.c x86/eisa: Add missing include 2017-08-31 21:34:48 +02:00
espfix_64.c x86/mm: Provide general kernel support for memory encryption 2017-07-18 11:38:00 +02:00
ftrace_32.S x86/ftrace: Fix ebp in ftrace_regs_caller that screws up unwinder 2017-04-21 09:48:16 +02:00
ftrace_64.S x86/ftrace: Use Makefile logic instead of #ifdef for compiling ftrace_*.o 2017-03-24 10:14:08 +01:00
ftrace.c x86/ftrace: Make sure that ftrace trampolines are not RWX 2017-05-26 22:37:02 -04:00
head32.c x86/idt: Initialize early IDT before cr4_init_shadow() 2017-10-16 20:47:37 +02:00
head64.c Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-09-04 17:43:56 -07:00
head_32.S x86/idt: Remove superfluous ALIGNment 2017-08-31 15:47:02 +02:00
head_64.S x86/mm: Provide general kernel support for memory encryption 2017-07-18 11:38:00 +02:00
hpet.c x86/hpet: Cure interface abuse in the resume path 2017-08-01 13:02:37 +02:00
hw_breakpoint.c
i8237.c
i8253.c
i8259.c x86: i8259: export legacy_pic symbol 2017-04-14 12:08:51 +02:00
idt.c x86/idt: Fix the X86_TRAP_BP gate 2017-09-01 11:04:56 +02:00
io_delay.c dmi: Mark all struct dmi_system_id instances const 2017-09-14 11:59:30 +02:00
ioport.c Second batch of KVM changes for 4.11 merge window 2017-03-04 11:36:19 -08:00
irq_32.c x86/asm: Use register variable to get stack pointer value 2017-09-29 19:39:44 +02:00
irq_64.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h> 2017-03-02 08:42:36 +01:00
irq_work.c x86/irq_work: Make it depend on APIC 2017-08-29 11:42:30 +02:00
irq.c x86/ipi: Make platform IPI depend on APIC 2017-08-29 11:42:29 +02:00
irqinit.c x86/idt: Move interrupt gate initialization to IDT code 2017-08-29 12:07:28 +02:00
itmt.c sched/x86: Remove unnecessary TBM3 check to update topology 2017-01-19 08:42:37 +01:00
jump_label.c jump_label: Reorder hotplug lock and jump_label_lock 2017-05-26 10:10:45 +02:00
kdebugfs.c x86, mpparse, x86/acpi, x86/PCI, x86/dmi, SFI: Use memremap() for RAM mappings 2017-07-18 11:37:58 +02:00
kexec-bzimage64.c x86/boot/e820: Rename the e820_table_firmware to e820_table_kexec 2017-07-05 10:09:02 +02:00
kgdb.c
ksysfs.c x86/sysfs: Fix off-by-one error in loop termination 2017-09-25 09:36:16 +02:00
kvm.c kvm/x86: Avoid async PF preempting the kernel incorrectly 2017-10-04 18:28:53 +02:00
kvmclock.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/clock.h> 2017-03-02 08:42:27 +01:00
ldt.c x86/ldt/64: Refresh DS and ES when modify_ldt changes an entry 2017-07-27 09:12:57 +02:00
livepatch.c
machine_kexec_32.c x86/idt: Consolidate IDT invalidation 2017-08-29 12:07:26 +02:00
machine_kexec_64.c x86/mm, kexec: Fix memory corruption with SME on successive kexecs 2017-07-30 12:09:12 +02:00
Makefile x86/idt: Create file for IDT related code 2017-08-29 12:07:25 +02:00
mmconf-fam10h_64.c
module.c x86/unwind: Add the ORC unwinder 2017-07-26 13:18:20 +02:00
mpparse.c x86/boot: Use memremap() to map the MPF and MPC data 2017-07-18 11:38:02 +02:00
msr.c x86/msr: Remove bogus cleanup from the error path 2016-12-25 10:47:41 +01:00
nmi_selftest.c x86/nmi: Fix timeout test in test_nmi_ipi() 2017-06-20 12:52:43 +02:00
nmi.c x86/nmi: Use raw lock 2017-08-16 20:40:09 +02:00
paravirt_patch_32.c x86/paravirt: Mark unused patch_default label 2016-12-22 17:43:35 +01:00
paravirt_patch_64.c x86/paravirt: Mark unused patch_default label 2016-12-22 17:43:35 +01:00
paravirt-spinlocks.c 4.11 is going to be a relatively large release for KVM, with a little over 2017-02-22 18:22:53 -08:00
paravirt.c x86/paravirt: Remove no longer used paravirt functions 2017-09-13 10:55:15 +02:00
pci-calgary_64.c x86: remove arch specific dma_supported implementation 2017-06-28 06:54:46 -07:00
pci-dma.c x86, swiotlb: Add memory encryption support 2017-07-18 11:38:03 +02:00
pci-iommu_table.c
pci-nommu.c x86, swiotlb: Add memory encryption support 2017-07-18 11:38:03 +02:00
pci-swiotlb.c x86, swiotlb: Add memory encryption support 2017-07-18 11:38:03 +02:00
pcspeaker.c
perf_regs.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h> 2017-03-02 08:42:36 +01:00
platform-quirks.c x86/lguest: Remove lguest support 2017-08-24 09:57:28 +02:00
pmem.c
probe_roms.c x86/boot/e820: Move asm/e820.h to asm/e820/api.h 2017-01-28 09:31:13 +01:00
process_32.c Merge branch 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-09-04 13:56:37 -07:00
process_64.c Merge branch 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-09-04 13:56:37 -07:00
process.c x86/mm, kexec: Allow kexec to be used with SME 2017-07-18 11:38:04 +02:00
ptrace.c x86/arch_prctl/64: Rename do_arch_prctl() to do_arch_prctl_64() 2017-03-20 16:10:32 +01:00
pvclock.c sched/headers: Prepare for new header dependencies before moving code to <linux/sched/nmi.h> 2017-03-02 08:42:30 +01:00
quirks.c treewide: Consolidate Apple DMI checks 2017-08-03 23:26:22 +02:00
reboot_fixups_32.c
reboot.c x86/mm/64: Fix reboot interaction with CR4.PCIDE 2017-10-09 13:31:04 +02:00
relocate_kernel_32.S
relocate_kernel_64.S x86/mm, kexec: Fix memory corruption with SME on successive kexecs 2017-07-30 12:09:12 +02:00
resource.c x86/boot/e820: Harmonize the 'struct e820_table' fields 2017-01-28 09:33:16 +01:00
rtc.c timekeeping: Ignore the bogus sleep time if pm_trace is enabled 2016-11-29 18:02:58 +01:00
setup_percpu.c treewide: make "nr_cpu_ids" unsigned 2017-09-08 18:26:48 -07:00
setup.c x86/mm/64: Initialize CR4.PCIDE early 2017-09-13 09:54:43 +02:00
signal_compat.c signal: Remove kernel interal si_code magic 2017-07-24 14:30:28 -05:00
signal.c x86/fpu: Rename fpu::fpstate_active to fpu::initialized 2017-09-26 09:43:36 +02:00
smp.c x86/tracing: Disentangle pagefault and resched IPI tracing key 2017-08-29 11:42:29 +02:00
smpboot.c x86/mm/32: Load a sane CR3 before cpu_init() on secondary CPUs 2017-09-17 18:59:09 +02:00
stacktrace.c stacktrace/x86: add function for detecting reliable stack traces 2017-03-08 09:18:02 +01:00
step.c x86/asm/32: Remove a bunch of '& 0xffff' from pt_regs segment reads 2017-07-30 12:04:41 +02:00
sys_x86_64.c x86/mm: Prepare to expose larger address space to userspace 2017-07-21 10:05:18 +02:00
sysfb_efi.c
sysfb_simplefb.c x86/sysfb: Fix lfb_size calculation 2016-11-16 09:38:23 +01:00
sysfb.c
tboot.c iommu/vt-d: Correctly disable Intel IOMMU force on 2017-06-15 16:41:10 +02:00
tce_64.c
time.c x86/time: Make setup_default_timer_irq() static 2017-06-13 08:42:09 +02:00
tls.c x86/asm: Replace access to desc_struct:a/b fields 2017-08-29 12:07:25 +02:00
tls.h
topology.c
trace_clock.c
tracepoint.c x86/tracing: Disentangle pagefault and resched IPI tracing key 2017-08-29 11:42:29 +02:00
traps.c x86/asm: Use register variable to get stack pointer value 2017-09-29 19:39:44 +02:00
tsc_msr.c x86/tsc: Set TSC_KNOWN_FREQ and TSC_RELIABLE flags on Intel Atom SoCs 2016-11-18 10:58:31 +01:00
tsc_sync.c x86/tsc: Remove the TSC_ADJUST clamp 2017-06-04 21:55:53 +02:00
tsc.c Merge branch 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-07-03 18:01:50 -07:00
unwind_frame.c x86/unwind: Disable unwinder warnings on 32-bit 2017-10-10 12:49:49 +02:00
unwind_guess.c x86/unwind: Add the ORC unwinder 2017-07-26 13:18:20 +02:00
unwind_orc.c x86/unwind: Show function name+offset in ORC error messages 2017-10-23 13:30:36 +02:00
uprobes.c
verify_cpu.S
vm86_32.c x86/vm86/32: Switch to flush_tlb_mm_range() in mark_screen_rdonly() 2017-04-26 10:02:06 +02:00
vmlinux.lds.S x86/unwind: Add the ORC unwinder 2017-07-26 13:18:20 +02:00
vsmp_64.c
x86_init.c x86/boot/e820: Rename default_machine_specific_memory_setup() to e820__memory_setup_default() 2017-01-28 14:42:26 +01:00