linux-kernel - Re: test code for kprobe

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Message-ID: <87a5utg1ec.fsf@all.your.base.are.belong.to.us>
Date:   Mon, 14 Aug 2023 16:10:51 +0200
From:   Björn Töpel <bjorn@...nel.org>
To:     Nam Cao <namcaov@...il.com>
Cc:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: test code for kprobe

Nam Cao <namcaov@...il.com> writes:

> On Mon, Aug 14, 2023 at 02:28:11PM +0200, Björn Töpel wrote:
>> Nam Cao <namcaov@...il.com> writes:
>> 
>> A RISC-V specific kprobes test -- much welcome!
>> 
>> Please add a proper commit message here.
>> 
>> > ---
>> >  drivers/test_kprobe/Makefile      |   3 +
>> >  drivers/test_kprobe/test_kprobe.c | 265 ++++++++++++++++++++++++++++++
>> >  2 files changed, 268 insertions(+)
>> >  create mode 100644 drivers/test_kprobe/Makefile
>> >  create mode 100644 drivers/test_kprobe/test_kprobe.c
>> >
>> > diff --git a/drivers/test_kprobe/Makefile b/drivers/test_kprobe/Makefile
>> 
>> Architecture specific test code usually reside in "arch/$ARCH"
>> (arch/riscv), and is part of Kconfig.debug.
>> 
>> Have a look at:
>> * grep for ARM_KPROBES_TEST in arch/arm
>> * grep for KPROBES_SANITY_TEST, and in arch/powerpc grep
>>   test_emulate_step
>> * grep S390_KPROBES_SANITY_TEST
>
> Sorry that I wasn't clear with this: I just wanted to show how testing was done.
> This is not meant to be merged.
>
> I do have plans to clean this up and send upstream in the future, but not with
> this patch series.

Please do! A RISC-V specific kprobes test would be nice.


Björn