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linux-stable/arch/riscv/kernel
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Alan Kao bc1a4c3a84
riscv/ftrace: Add dynamic function graph tracer support 
Once the function_graph tracer is enabled, a filtered function has the
following call sequence:

* ftracer_caller         ==> on/off by ftrace_make_call/ftrace_make_nop
* ftrace_graph_caller
* ftrace_graph_call      ==> on/off by ftrace_en/disable_ftrace_graph_caller
* prepare_ftrace_return

Considering the following DYNAMIC_FTRACE_WITH_REGS feature, it would be
more extendable to have a ftrace_graph_caller function, instead of
calling prepare_ftrace_return directly in ftrace_caller.

Cc: Greentime Hu <greentime@andestech.com>
Signed-off-by: Alan Kao <alankao@andestech.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-04-02 19:59:12 -07:00
..
vdso RISC-V: Make __NR_riscv_flush_icache visible to userspace 2018-01-07 15:14:37 -08:00
.gitignore RISC-V: Build Infrastructure 2017-09-26 15:26:49 -07:00
asm-offsets.c RISC-V: Task implementation 2017-09-26 15:26:46 -07:00
cacheinfo.c
cpu.c
cpufeature.c RISC-V: User-facing API 2017-09-26 15:26:48 -07:00
entry.S RISC-V: Enable IRQ during exception handling 2018-02-20 10:56:14 -08:00
ftrace.c riscv/ftrace: Add dynamic function graph tracer support 2018-04-02 19:59:12 -07:00
head.S Rename sbi_save to parse_dtb to improve code readability 2018-02-20 10:56:26 -08:00
irq.c
Makefile riscv/ftrace: Add dynamic function tracer support 2018-04-02 19:59:12 -07:00
mcount-dyn.S riscv/ftrace: Add dynamic function graph tracer support 2018-04-02 19:59:12 -07:00
mcount.S riscv/ftrace: Add dynamic function tracer support 2018-04-02 19:59:12 -07:00
module.c RISC-V: User-facing API 2017-09-26 15:26:48 -07:00
process.c Merge branch 'work.whack-a-mole' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-01-31 19:18:12 -08:00
ptrace.c RISC-V: User-facing API 2017-09-26 15:26:48 -07:00
reset.c
riscv_ksyms.c RISC-V: Export some expected symbols for modules 2017-11-30 10:01:10 -08:00
setup.c Rename sbi_save to parse_dtb to improve code readability 2018-02-20 10:56:26 -08:00
signal.c RISC-V: User-facing API 2017-09-26 15:26:48 -07:00
smp.c RISC-V: Fixes for clean allmodconfig build 2017-12-01 13:31:31 -08:00
smpboot.c
stacktrace.c
sys_riscv.c RISC-V: Logical vs Bitwise typo 2017-12-11 07:51:06 -08:00
syscall_table.c RISC-V: Make __NR_riscv_flush_icache visible to userspace 2018-01-07 15:14:37 -08:00
time.c
traps.c
vdso.c riscv: remove redundant unlikely() 2018-01-30 19:12:06 -08:00
vmlinux.lds.S RISC-V: Build Infrastructure 2017-09-26 15:26:49 -07:00