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 69E6AC53219 for ; Tue, 28 Jul 2026 09:35:16 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2FCD16B0088; Tue, 28 Jul 2026 05:35:15 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2AC236B008A; Tue, 28 Jul 2026 05:35:15 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 14FFA6B008C; Tue, 28 Jul 2026 05:35:15 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id DCB866B0088 for ; Tue, 28 Jul 2026 05:35:14 -0400 (EDT) Received: from smtpin17.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay02.hostedemail.com (Postfix) with ESMTP id EA94312030F for ; Tue, 28 Jul 2026 09:35:13 +0000 (UTC) X-FDA: 85037676906.17.B8FC6F3 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf15.hostedemail.com (Postfix) with ESMTP id 43F52A0006 for ; Tue, 28 Jul 2026 09:35:12 +0000 (UTC) Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=XcOVQ+En; spf=pass (imf15.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-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1785231312; b=RTnYJOwGeHVcZhr0XT2NqHdHnXEBClW4rD+Lk/TLgWfRhWuasxhS9JYDbn1gPljkls0Z/l YP32fsLaSWLytQTzgmsJS45SQsa2ptizHNMpmofQc3ulpvBzaXFxZqr4+Ez5DEr64LA820 Q2xsqEDvuoA6ALfEH5iTvx38rMNokyY= ARC-Authentication-Results: i=1; imf15.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=XcOVQ+En; spf=pass (imf15.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=1785231312; 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=GYVJ658TmEPomu3zIByvcAej3yYIJZ34wXSqsRSLkJw=; b=qUrRIZpPdKFKWm6diD2u9+h6p54o7OdpYF26pDcQmcX24FFmPcIe2vtjtRNxxuc512OC+H 4Cu9E/Qgw4+H8VrtQz95z9P0bz69kiEcriEmd6kTLj4FCzPP1TO2CGe26KpB34H4jbY9Xb mNEoRDrUYoNOUTNleLKJvH63mtj7KnU= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 6A81460A8D; Tue, 28 Jul 2026 09:35:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B0A5E1F000E9; Tue, 28 Jul 2026 09:35:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785231311; bh=GYVJ658TmEPomu3zIByvcAej3yYIJZ34wXSqsRSLkJw=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=XcOVQ+EnYR9klrC7g4BgM59+H5wtMYUtvqM+B7NUXGW3+vWPlKUb2HFy9DN7Yxk3s elbuulsbOYImOAEPqtRICkC8btLirhRECHXd3LmQvob4Uw1w84mcYyGSL8eoishzmG 9RQFoNJMlYZyfGdvRalPHW5uZd/sTBqzGMHVPJOg/l8+a+PBlZf85J7lerXmkPNO7x MpNWzrQO8EUZmoLkK94kyJ0fg97QZKC516h17mlVAgMESN0p5W8+PEath2SsXWeeYQ MqwtX4RcMj+FDkpL9Fr6GmlRqaTwSf1thik9Nunvy6zF4Ecyj0WUuk6stCRGQNFKIb NnOTUE+tSJkdA== Message-ID: <72c235f1-e707-426d-97f7-be520d6eab66@kernel.org> Date: Tue, 28 Jul 2026 11:35:02 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v10 6/6] selftests/mm: add hwpoison-panic destructive test To: Andrew Morton , Miaohe Lin Cc: Breno Leitao , 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: <20260630-ecc_panic-v10-0-c6ed5b62eea2@debian.org> <20260630-ecc_panic-v10-6-c6ed5b62eea2@debian.org> <20260727212402.09baa9381ca426273fad4719@linux-foundation.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: <20260727212402.09baa9381ca426273fad4719@linux-foundation.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Stat-Signature: t4cmcqw14495oydfu6qcj78prutzpk5y X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 43F52A0006 X-Rspam-User: X-HE-Tag: 1785231312-930614 X-HE-Meta: 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 uc1Sk3nM w32Oyqu7rfwZBjl6Dv4GTRsCIe2nv7rm8qNYAaqQCCXC4Jc2rp00yQuYbK/R4k4m/8uuq72TjR+fqZnnyt1BgursBs8hl1XeT1v7g3keTtU9FnTmGr3mcfsrzn6kRE3m82xXs15KLbtk6bVBcTWiGvb0s/ApftBV2nG3aZXnKztlPxT2XTGKTPOldtQnBAYO81w+oCy2TlHP533LmIccV/hLAbqs496oguUNZw1jZ5xyiEoePBUsLn43/G4RPJoD01OwYfxNqaBtPc9AFdIcnDWYohIMPujTDhqIfDn34HEkEOe/hdST0Rds/vG0/HSie/dICvvB4fAyqLmf5jkRseBfsr1DjzKNbURoHXGqlsv8Bj4ni2G3YxYCu1/klob5YHG/2 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 7/28/26 06:24, Andrew Morton wrote: > On Thu, 9 Jul 2026 11:34:05 +0800 Miaohe Lin wrote: > >>> The script is intentionally NOT wired into run_vmtests.sh: every >>> successful run panics the kernel, which is incompatible with the >>> sequential "run each category in the same VM" model that >>> run_vmtests.sh assumes. It is also not registered as a TEST_PROGS / >>> ksft_* wrapper so a default kselftest run does not opt itself into >>> a panic. The script is meant to be executed manually inside a >>> disposable VM (e.g. virtme-ng), one variant per VM boot, and >>> requires RUN_DESTRUCTIVE=1 in the environment as a safety net. >>> >>> Signed-off-by: Breno Leitao >> >> With Mike's comment addressed: >> >> Acked-by: Miaohe Lin > > As I understand it, Breno would prefer not to rewrite the selftest in C > at this time. IOW, we stick with the bash version for now and add > "convert this to C" to the todo list, OK? > No, seriously, this is code we have to maintain. Better to not have this test than have it. -- Cheers, David