linux-kernel - Re: [PATCH v1 4/4] selftests/mm: Add test about uprobe pte be orphan during vma merge

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Message-ID: <97432af8-da8f-4cc6-96f0-ccc8297b7029@sirena.org.uk>
Date: Tue, 10 Jun 2025 12:34:57 +0100
From: Mark Brown <broonie@...nel.org>
To: Pedro Falcato <pfalcato@...e.de>
Cc: Aishwarya <aishwarya.tcv@....com>, pulehui@...weicloud.com,
	Liam.Howlett@...cle.com, akpm@...ux-foundation.org,
	jannh@...gle.com, linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	lorenzo.stoakes@...cle.com, mhiramat@...nel.org, oleg@...hat.com,
	peterz@...radead.org, pulehui@...wei.com, stable@...r.kernel.org,
	vbabka@...e.cz, Ryan.Roberts@....com, Dev.Jain@....com
Subject: Re: [PATCH v1 4/4] selftests/mm: Add test about uprobe pte be orphan
 during vma merge

On Tue, Jun 10, 2025 at 12:27:28PM +0100, Pedro Falcato wrote:
> On Tue, Jun 10, 2025 at 11:37:29AM +0100, Aishwarya wrote:

> >   7155 12:46:54.650730  # # # handle_uprobe_upon_merged_vma: Test terminated by assertion
> >   7156 12:46:54.661750  # # #          FAIL  merge.handle_uprobe_upon_merged_vma
> >   7157 12:46:54.662030  # # not ok 8 merge.handle_uprobe_upon_merged_vma

> So, basically we're not finding the uprobe (I guess CONFIG_UPROBES isn't set in
> defconfig, and it's not in the mm/config either), and the test just fails instead
> of skipping.

Indeed:

$ grep UPROBES arch/arm64/configs/defconfig tools/testing/selftests/mm/config
$

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