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From: "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com>
To: Masami Hiramatsu <mhiramat@kernel.org>
Cc: linux-kernel@vger.kernel.org,
	Steven Rostedt <rostedt@goodmis.org>,
	shuah@kernel.org
Subject: Re: [PATCH] selftests/ftrace: Disable multiple_kprobes test on powerpc
Date: Tue, 05 Jan 2021 15:42:44 +0530	[thread overview]
Message-ID: <1609841373.5sgt2b2ism.naveen@linux.ibm.com> (raw)
In-Reply-To: <20210105190156.ada6ce0d46d7eada18b9ad76@kernel.org>

Masami Hiramatsu wrote:
> On Tue,  5 Jan 2021 12:27:30 +0530
> "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com> wrote:
> 
>> Not all symbols are blacklisted on powerpc. Disable multiple_kprobes
>> test until that is sorted, so that rest of ftrace and kprobe selftests
>> can be run.
> 
> This looks good to me, but could you try to find the functions
> which should be blocked from kprobes?
> (Usually, the function which are involved in the sw-breakpoint
>  handling, including locks etc.)

Yes, we did add several blacklists some time back, but there has been 
quite a bit of churn in our entry code. I've been meaning to audit it 
for a while now, but this has been blocking tests. It would be nice to 
skip this test for now until I am able to spend some time on this.

Thanks,
Naveen


  reply	other threads:[~2021-01-05 10:14 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-05  6:57 Naveen N. Rao
2021-01-05 10:01 ` Masami Hiramatsu
2021-01-05 10:12   ` Naveen N. Rao [this message]
2021-01-05 14:41     ` Masami Hiramatsu
2021-01-05 10:15   ` Masami Hiramatsu
2021-01-05 11:21     ` Naveen N. Rao
2021-01-05 14:33       ` Masami Hiramatsu

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