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fe13f95b72
linux/arch/arm64/kernel
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AKASHI Takahiro fe13f95b72 arm64: pass a task parameter to unwind_frame() 
Function graph tracer modifies a return address (LR) in a stack frame
to hook a function's return. This will result in many useless entries
(return_to_handler) showing up in a call stack list.
We will fix this problem in a later patch ("arm64: ftrace: fix a stack
tracer's output under function graph tracer"). But since real return
addresses are saved in ret_stack[] array in struct task_struct,
unwind functions need to be notified of, in addition to a stack pointer
address, which task is being traced in order to find out real return
addresses.

This patch extends unwind functions' interfaces by adding an extra
argument of a pointer to task_struct.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2015-12-21 17:26:01 +00:00
..
vdso arm64: build vdso without libgcov 2015-11-12 15:18:07 +00:00
.gitignore arm64: Build infrastructure 2012-09-17 13:42:21 +01:00
acpi.c Power management and ACPI updates for v4.4-rc1 2015-11-04 18:10:13 -08:00
alternative.c arm64: mm: fold alternatives into .init 2015-12-10 17:36:08 +00:00
arm64ksyms.c arm64: add KASAN support 2015-10-12 17:46:36 +01:00
armv8_deprecated.c arm64: add __init/__initdata section marker to some functions/variables 2015-12-02 12:17:11 +00:00
asm-offsets.c arm64: mm: rewrite ASID allocator and MM context-switching code 2015-10-07 11:55:41 +01:00
cacheinfo.c arm64: kernel: add support for cpu cache information 2015-01-15 11:55:07 +00:00
cpu_errata.c arm64: KVM: Add workaround for Cortex-A57 erratum 834220 2015-11-24 17:58:14 +01:00
cpu_ops.c arm64: force CONFIG_SMP=y and remove redundant #ifdefs 2015-07-27 11:08:40 +01:00
cpufeature.c arm64: add __init/__initdata section marker to some functions/variables 2015-12-02 12:17:11 +00:00
cpuidle.c arm64: cpuidle: add __init section marker to arm_cpuidle_init 2015-07-02 17:44:27 +01:00
cpuinfo.c arm64: restore bogomips information in /proc/cpuinfo 2015-11-19 17:57:18 +00:00
debug-monitors.c driver core update for 4.4-rc1 2015-11-04 21:50:37 -08:00
efi-entry.S arm64/efi: isolate EFI stub from the kernel proper 2015-10-12 16:20:12 +01:00
efi.c arm64/efi: refactor EFI init and runtime code for reuse by 32-bit ARM 2015-12-09 16:57:23 +00:00
entry32.S arm64: entry32: remove pointless register assignment 2015-07-10 16:47:13 +01:00
entry-fpsimd.S arm64: fpsimd: fix a typo in fpsimd_save_partial_state ENDPROC 2014-07-31 11:42:42 +01:00
entry-ftrace.S arm64: ftrace: fix function_graph tracer panic 2015-10-02 11:12:56 +01:00
entry.S arm64: remove irq_count and do_softirq_own_stack() 2015-12-21 17:26:01 +00:00
fpsimd.c arm64: add __init/__initdata section marker to some functions/variables 2015-12-02 12:17:11 +00:00
ftrace.c arm64: ftrace: modify a stack frame in a safe way 2015-12-21 17:26:01 +00:00
head.S arm64: Store struct thread_info in sp_el0 2015-12-08 11:40:48 +00:00
hw_breakpoint.c arm64: Fix missing #include in hw_breakpoint.c 2015-10-12 12:10:53 +01:00
hyp-stub.S irqchip: gic-v3: Initial support for GICv3 2014-07-08 22:11:47 +00:00
image.h arm64: Add page size to the kernel image header 2015-10-19 17:54:41 +01:00
insn.c arm64: convert patch_lock to raw lock 2015-10-05 18:30:29 +01:00
io.c arm64: optimize memcpy_{from,to}io() and memset_io() 2014-11-06 17:25:27 +00:00
irq.c arm64: remove irq_count and do_softirq_own_stack() 2015-12-21 17:26:01 +00:00
jump_label.c jump_label: Rename JUMP_LABEL_{EN,DIS}ABLE to JUMP_LABEL_{JMP,NOP} 2015-08-03 11:34:12 +02:00
kgdb.c arm64/debug: Simplify BRK insn opcode declarations 2015-07-27 11:08:42 +01:00
kuser32.S arm64: Add __NR_* definitions for compat syscalls 2014-07-10 11:02:40 +01:00
Makefile arm64/efi: move arm64 specific stub C code to libstub 2015-10-30 16:02:52 +00:00
module.c arm64: add KASAN support 2015-10-12 17:46:36 +01:00
pci.c ARM64: PCI: do not enable resources on PROBE_ONLY systems 2015-07-30 20:17:07 +01:00
perf_callchain.c arm64: pass a task parameter to unwind_frame() 2015-12-21 17:26:01 +00:00
perf_event.c arm64: perf: add Cortex-A57 support 2015-10-07 14:25:24 +01:00
perf_regs.c perf: Move task_pt_regs sampling into arch code 2015-01-09 11:12:28 +01:00
process.c arm64: pass a task parameter to unwind_frame() 2015-12-21 17:26:01 +00:00
psci-call.S arm64: psci: move psci firmware calls out of line 2015-02-26 18:23:53 +00:00
psci.c drivers: firmware: psci: move power_state handling to generic code 2015-10-02 14:35:16 +01:00
ptrace.c arm64: Clear out any singlestep state on a ptrace detach operation 2015-12-07 17:48:21 +00:00
return_address.c arm64: pass a task parameter to unwind_frame() 2015-12-21 17:26:01 +00:00
setup.c arm64 updates for 4.4: 2015-11-04 14:47:13 -08:00
signal32.c arm64: compat: fix vfp save/restore across signal handlers in big-endian 2015-09-17 11:57:03 +01:00
signal.c arm64: Removed unused variable 2015-04-13 20:40:10 +02:00
sleep.S arm64: Store struct thread_info in sp_el0 2015-12-08 11:40:48 +00:00
smp_spin_table.c ARM64: kernel: make cpu_ops hooks DT agnostic 2015-05-19 16:09:29 +01:00
smp.c arm64: smp: make of_parse_and_init_cpus static 2015-11-12 15:18:14 +00:00
stacktrace.c arm64: pass a task parameter to unwind_frame() 2015-12-21 17:26:01 +00:00
suspend.c arm64: kernel: pause/unpause function graph tracer in cpu_suspend() 2015-11-17 17:11:45 +00:00
sys32.c arm64: fix implementation of mmap2 compat syscall 2015-03-19 10:43:51 +00:00
sys_compat.c arm64: compat: align cacheflush syscall with arch/arm 2014-12-01 13:31:12 +00:00
sys.c arm64: make sys_call_table const 2015-01-27 09:38:08 +00:00
time.c arm64: pass a task parameter to unwind_frame() 2015-12-21 17:26:01 +00:00
topology.c arm64: kernel: remove non-legit DT warnings when booting using ACPI 2015-07-27 11:08:41 +01:00
trace-events-emulation.h arm64: Trace emulation of AArch32 legacy instructions 2014-11-20 16:35:02 +00:00
traps.c arm64: pass a task parameter to unwind_frame() 2015-12-21 17:26:01 +00:00
vdso.c arm64: VDSO: fix coarse clock monotonicity regression 2015-08-10 15:37:45 +01:00
vmlinux.lds.S arm64: mm: fold alternatives into .init 2015-12-10 17:36:08 +00:00