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Date: Mon, 6 Jul 2026 19:23:38 +0300
From: Mike Rapoport <rppt@kernel.org>
To: Breno Leitao <leitao@debian.org>
Cc: Miaohe Lin <linmiaohe@huawei.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	David Hildenbrand <david@kernel.org>,
	Lorenzo Stoakes <ljs@kernel.org>,
	Vlastimil Babka <vbabka@kernel.org>,
	Suren Baghdasaryan <surenb@google.com>,
	Michal Hocko <mhocko@suse.com>, Shuah Khan <shuah@kernel.org>,
	Naoya Horiguchi <nao.horiguchi@gmail.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Shuah Khan <skhan@linuxfoundation.org>,
	"Liam R. Howlett" <liam@infradead.org>, lance.yang@linux.dev,
	Steven Rostedt <rostedt@goodmis.org>,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org,
	linux-trace-kernel@vger.kernel.org, kernel-team@meta.com
Subject: Re: [PATCH v10 6/6] selftests/mm: add hwpoison-panic destructive test
Message-ID: <akvWipFuwLt41wOM@kernel.org>
References: <20260630-ecc_panic-v10-0-c6ed5b62eea2@debian.org>
 <20260630-ecc_panic-v10-6-c6ed5b62eea2@debian.org>
 <akjS7kiGjVwWaWEz@kernel.org>
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In-Reply-To: <akvSzb0mRSS5aCg_@gmail.com>

On Mon, Jul 06, 2026 at 09:14:22AM -0700, Breno Leitao wrote:
> Hello Mike,
> 
> On Sat, Jul 04, 2026 at 12:31:26PM +0300, Mike Rapoport wrote:
> > On Tue, Jun 30, 2026 at 05:46:09AM -0700, Breno Leitao wrote:
> 
> > I'm looking at these awk scripts and od encodings and I wonder if wasn't it
> > simpler to write the test in C.
> > 
> > We have a bunch of helpers in tools/testing/selftests/mm/vm_utils.h for
> > accessing /proc files and there is already /proc/iomem parser in
> > tools/testing/selftests/mm/pfnmap.c that also could be lifter to vm_util
> 
> I'm fine with either approach.
> 
> My main concern is keeping the selftest decoupled from the feature
> itself, so that review of the test doesn't block the feature from
> landing. Would that work for you?

Sure.
 
> Thanks
> --breno

-- 
Sincerely yours,
Mike.