[PATCH V9 4/4] samples: ftrace: Add riscv support for SAMPLE_FTRACE_DIRECT[_MULTI]

[Björn Töpel]

Song Shuai <suagrfillet at gmail.com> writes:

> select HAVE_SAMPLE_FTRACE_DIRECT and HAVE_SAMPLE_FTRACE_DIRECT_MULTI
> for ARCH_RV64I in arch/riscv/Kconfig. And add riscv asm code for
> the ftrace-direct*.c files in samples/ftrace/.
>
> Link: https://lore.kernel.org/linux-riscv/c68bac83-5c88-80b1-bac9-e1fd4ea8f07e@yadro.com/T/#ma13012560331c66b051b580b3ab4a04ba44455ec
> Tested-by: Evgenii Shatokhin <e.shatokhin at yadro.com>
> Signed-off-by: Song Shuai <suagrfillet at gmail.com>
> Tested-by: Guo Ren <guoren at kernel.org>
> Signed-off-by: Guo Ren <guoren at kernel.org>

My usual "please align op/operands" nit. ;-)

Acked-by: Björn Töpel <bjorn at rivosinc.com>