From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 033C1C54F51 for ; Wed, 29 Jul 2026 14:48:18 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 575A16B0115; Wed, 29 Jul 2026 10:47:49 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 4B0E86B0118; Wed, 29 Jul 2026 10:47:49 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 379396B0119; Wed, 29 Jul 2026 10:47:49 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id C01CD6B0115 for ; Wed, 29 Jul 2026 10:47:48 -0400 (EDT) Received: from smtpin28.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 16B51A0668 for ; Wed, 29 Jul 2026 11:11:45 +0000 (UTC) X-FDA: 85041548970.28.5881832 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf09.hostedemail.com (Postfix) with ESMTP id 5292114000C for ; Wed, 29 Jul 2026 11:11:43 +0000 (UTC) Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=N7kc6Smo; spf=pass (imf09.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1785323503; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=izNHY96+KpUz6H88SX9UDBXo3sdRLH0ZWjvtcVBF0tQ=; b=Ta7O94oFsU2eAspRptj6shpE8/JRedUeULwvQ+vgiZ9+m3dSEOPcJXiB+qVKf0dMO8mEha P6iXxUQnQQNQiP5/LPMbzDImGmkmiiLNld/Hd+UTyjegKirQKs3/3trXi/9GpQnQwwtlPY ehuofrSr3KMYjuLwEcqBtFkpRmtb+5s= ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1785323503; b=LeWdS6RxyoZbthmRMmUITyAZtZBXgCkT2jWwp6/afk5LTkTAiRRhCnYnBlBB2dLD7DLc/o LRET3ZdUQKv59paM5HX8hFELK9qie1EmfVMIYOUwFydn26CUGruAduI8JM1+cXvgOhrgs0 4zUfQYBZ4eJO8x+VPjNaHyB2zDlEUug= ARC-Authentication-Results: i=1; imf09.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=N7kc6Smo; spf=pass (imf09.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id C8FA560A6C; Wed, 29 Jul 2026 11:11:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 284B21F00A3A; Wed, 29 Jul 2026 11:11:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785323502; bh=izNHY96+KpUz6H88SX9UDBXo3sdRLH0ZWjvtcVBF0tQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=N7kc6SmoQxTdwsupiqADaxwodrc2rq1MDeww1UbcoZDBdifUpBgdJOffX837km3pO HnZHBR/5BOQjjOFHVzL9Lo1Yk3z5e4AUmbSr/wIyTr+YVIsJiThzs6zKW7k+dd5Jgt ILRnw0zbhzVk2C5bgWB1sf+pgKEyJUd+usU4A+e/43D1Zeu69ADhaPDkRAItCDz3u8 XwCSWtk076Pp3y01nryN5PaqpqMSlFplmTLb61o+dMyAPYibwV+AJoRSMde4KZWax6 zlpcBIahqsY3Ivs9vnB5+MHQbfjH+B5VAZ6c56o2Zich/EbaKJ34i0ATj2cfyO1pxY qPUc7lx0i5TWw== Message-ID: <2e1ca7be-ce73-4146-95fe-d8cff4da9494@kernel.org> Date: Wed, 29 Jul 2026 13:11:36 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v10 6/6] selftests/mm: add hwpoison-panic destructive test To: Breno Leitao Cc: Andrew Morton , Miaohe Lin , 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, Lorenzo Stoakes , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Shuah Khan , Naoya Horiguchi , Jonathan Corbet , Shuah Khan , "Liam R. Howlett" , lance.yang@linux.dev, Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers References: <20260727212402.09baa9381ca426273fad4719@linux-foundation.org> <20260728122016.30752d36c3b3c3af231efa9d@linux-foundation.org> <44f81bea-d64a-4f73-8665-46652a928c83@kernel.org> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzS5EYXZpZCBIaWxk ZW5icmFuZCAoQ3VycmVudCkgPGRhdmlkQGtlcm5lbC5vcmc+wsGQBBMBCAA6AhsDBQkmWAik AgsJBBUKCQgCFgICHgUCF4AWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaYJt/AIZAQAKCRBN 3hD3AP+DWriiD/9BLGEKG+N8L2AXhikJg6YmXom9ytRwPqDgpHpVg2xdhopoWdMRXjzOrIKD g4LSnFaKneQD0hZhoArEeamG5tyo32xoRsPwkbpIzL0OKSZ8G6mVbFGpjmyDLQCAxteXCLXz ZI0VbsuJKelYnKcXWOIndOrNRvE5eoOfTt2XfBnAapxMYY2IsV+qaUXlO63GgfIOg8RBaj7x 3NxkI3rV0SHhI4GU9K6jCvGghxeS1QX6L/XI9mfAYaIwGy5B68kF26piAVYv/QZDEVIpo3t7 /fjSpxKT8plJH6rhhR0epy8dWRHk3qT5tk2P85twasdloWtkMZ7FsCJRKWscm1BLpsDn6EQ4 jeMHECiY9kGKKi8dQpv3FRyo2QApZ49NNDbwcR0ZndK0XFo15iH708H5Qja/8TuXCwnPWAcJ DQoNIDFyaxe26Rx3ZwUkRALa3iPcVjE0//TrQ4KnFf+lMBSrS33xDDBfevW9+Dk6IISmDH1R HFq2jpkN+FX/PE8eVhV68B2DsAPZ5rUwyCKUXPTJ/irrCCmAAb5Jpv11S7hUSpqtM/6oVESC 3z/7CzrVtRODzLtNgV4r5EI+wAv/3PgJLlMwgJM90Fb3CB2IgbxhjvmB1WNdvXACVydx55V7 LPPKodSTF29rlnQAf9HLgCphuuSrrPn5VQDaYZl4N/7zc2wcWM7BTQRVy5+RARAA59fefSDR 9nMGCb9LbMX+TFAoIQo/wgP5XPyzLYakO+94GrgfZjfhdaxPXMsl2+o8jhp/hlIzG56taNdt VZtPp3ih1AgbR8rHgXw1xwOpuAd5lE1qNd54ndHuADO9a9A0vPimIes78Hi1/yy+ZEEvRkHk /kDa6F3AtTc1m4rbbOk2fiKzzsE9YXweFjQvl9p+AMw6qd/iC4lUk9g0+FQXNdRs+o4o6Qvy iOQJfGQ4UcBuOy1IrkJrd8qq5jet1fcM2j4QvsW8CLDWZS1L7kZ5gT5EycMKxUWb8LuRjxzZ 3QY1aQH2kkzn6acigU3HLtgFyV1gBNV44ehjgvJpRY2cC8VhanTx0dZ9mj1YKIky5N+C0f21 zvntBqcxV0+3p8MrxRRcgEtDZNav+xAoT3G0W4SahAaUTWXpsZoOecwtxi74CyneQNPTDjNg azHmvpdBVEfj7k3p4dmJp5i0U66Onmf6mMFpArvBRSMOKU9DlAzMi4IvhiNWjKVaIE2Se9BY FdKVAJaZq85P2y20ZBd08ILnKcj7XKZkLU5FkoA0udEBvQ0f9QLNyyy3DZMCQWcwRuj1m73D sq8DEFBdZ5eEkj1dCyx+t/ga6x2rHyc8Sl86oK1tvAkwBNsfKou3v+jP/l14a7DGBvrmlYjO 59o3t6inu6H7pt7OL6u6BQj7DoMAEQEAAcLBfAQYAQgAJgIbDBYhBBvZyq1zXEw6Rg38yk3e EPcA/4NaBQJonNqrBQkmWAihAAoJEE3eEPcA/4NaKtMQALAJ8PzprBEXbXcEXwDKQu+P/vts IfUb1UNMfMV76BicGa5NCZnJNQASDP/+bFg6O3gx5NbhHHPeaWz/VxlOmYHokHodOvtL0WCC 8A5PEP8tOk6029Z+J+xUcMrJClNVFpzVvOpb1lCbhjwAV465Hy+NUSbbUiRxdzNQtLtgZzOV Zw7jxUCs4UUZLQTCuBpFgb15bBxYZ/BL9MbzxPxvfUQIPbnzQMcqtpUs21CMK2PdfCh5c4gS sDci6D5/ZIBw94UQWmGpM/O1ilGXde2ZzzGYl64glmccD8e87OnEgKnH3FbnJnT4iJchtSvx yJNi1+t0+qDti4m88+/9IuPqCKb6Stl+s2dnLtJNrjXBGJtsQG/sRpqsJz5x1/2nPJSRMsx9 5YfqbdrJSOFXDzZ8/r82HgQEtUvlSXNaXCa95ez0UkOG7+bDm2b3s0XahBQeLVCH0mw3RAQg r7xDAYKIrAwfHHmMTnBQDPJwVqxJjVNr7yBic4yfzVWGCGNE4DnOW0vcIeoyhy9vnIa3w1uZ 3iyY2Nsd7JxfKu1PRhCGwXzRw5TlfEsoRI7V9A8isUCoqE2Dzh3FvYHVeX4Us+bRL/oqareJ CIFqgYMyvHj7Q06kTKmauOe4Nf0l0qEkIuIzfoLJ3qr5UyXc2hLtWyT9Ir+lYlX9efqh7mOY qIws/H2t In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 5292114000C X-Stat-Signature: hheigq1d1soxztetmscq1pigrtgzt54m X-Rspam-User: X-Rspamd-Server: rspam02 X-HE-Tag: 1785323503-107167 X-HE-Meta: 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 BTuLw4/w 9d+70lxpbnaRM8ZueCw7TqGg/aHBNImM+o1LwLqqHTtPEK4wLuxvFWxkCiRVpYuuFChUdMmygiROGNl4wJYbP6qbYFJjgzqH+aKlaB4Xd+mp4kYC/glrqmPopPrYQ4LMj97EQkFAawbTmTWeMz4lHsWNhASb0SwQM2zOK/sPChLsNLr9HP1Z/lYogKcDsf95dPLvHW9oA4kv6bzxHn+Sd53XEIWWE/KBESMYlmqY1w1SPc/LW5a9ye5cZIjUzifh2vaX7PW3k0pTQ6ar7YmoK5HescX2kEe3Qo5lX+WirsZxuVXyMUYKfBDO9ac0VxHKTh/E3vsnnlTU7DpA6jY3D5a+4p9AD3KtvgeYVjbOr0X4efkE= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 7/29/26 12:21, Breno Leitao wrote: > On Wed, Jul 29, 2026 at 11:09:11AM +0200, David Hildenbrand (Arm) wrote: >> Avoid bash scripts, please :) > > Sorry, I will try to control my fingers next time. > > Jokes aside, all the selftests I maintain > (tools/testing/selftests/drivers/net/netconsole) were done in bash, so, > I got totally biased. Ah, I see. The MM folks are not known to be bash experts, which is why we limit our bash scripts to a bare minimum (and focus on C tests). We do have some rather simple bash tests that are mostly used to load special test kernel modules, where the real test logic resides. For smaller things, I wouldn't mind a bash script in tools/mm. But the parsing of pageflags is a bit ... advanced :) Note that we already have some kpageflags processing in tools/mm/page-types.c, not sure whether some of that could just easily be reused. -- Cheers, David