From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 66526846A; Thu, 12 Mar 2026 19:49:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773344940; cv=none; b=IwaH3kaF+FadKkHQasmA8+pwcWJvaSC0axIrLfgM1cwJjGY9+kD195G5HgcOYeD2CjZhUli2QLMV/NJQsGN2H2Q+29sQwPnzhNjC8RmL72aiYRBFw91ysAXBNdnha+rl/Dd2ytQSl6lG+PHlEiEmqVSb5OXszVk1JHuHKXPykdk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773344940; c=relaxed/simple; bh=Egp6YT5L81zRxg/z6CZjK1NmJyVh8nzuj5sen9ywdDc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=jlvVMYz9upsFzxaJmlHsBH9TQiUPTh9SN43fQmSd1I/0ZlyX93roDsPHH8KI3faCQJ47itICqGBGHm6EzGevz3P4J0iW7YOY8GtjYUXCQZxyoOtIdSJXTTt2MYOfAbdtUhvMpdtGYuCM+8Hu8bSAWL2Kr1dDXHVBxCTWg89s1pQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=A7q8xKWe; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="A7q8xKWe" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5EB76C4CEF7; Thu, 12 Mar 2026 19:48:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773344940; bh=Egp6YT5L81zRxg/z6CZjK1NmJyVh8nzuj5sen9ywdDc=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=A7q8xKWe3Nq1LDRzDIn39uUn/+/x43FmRrrfuiHz7IkbJ87HjVReQdKZyGNwv+HRx i0zgJux75nhcVF/W3MY2n7igA3n42fuavOGUECV7EyHjeq98dcCOM1GmR0P1J3Vae0 NbyOemIExhNm/GAwKjRD6F1wjGiPc6zADsbEXPiEQyhe58u4M/P2Cuw2f0Qk6P3qe0 MtKj63OLbka6tNaD+9M9bAHJ4GJZPTcA9/TQRwZ7qIXQx0vFtP0FhOpk1tnQ7cqsnT U/8VzbnRLmr4Ed/1cfWxGO0hevnmZQ/sGnOTRHvzo8IUBcOqTYBYqFuOjvwTYc+fRY u6ssEF7nk2FWg== Message-ID: Date: Thu, 12 Mar 2026 20:48:52 +0100 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RESEND PATCH 1/4] selftests/mm/guard-regions: skip collapse test when thp not enabled To: Chunyu Hu , akpm@linux-foundation.org, shuah@kernel.org, linux-mm@kvack.org, ljs@kernel.org Cc: linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, ziy@nvidia.com, baolin.wang@linux.alibaba.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, Li Wang References: <20260312114027.634559-1-chuhu@redhat.com> <20260312114027.634559-2-chuhu@redhat.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 3/12/26 12:40, Chunyu Hu wrote: > When thp is not available, just skip the collape tests to avoid the false > positive. > > Without the change, run with a thp disabled kernel: > ./run_vmtests.sh -t madv_guard > > # # RUN guard_regions.file.multi_vma ... > # # OK guard_regions.file.multi_vma > # ok 89 guard_regions.file.multi_vma > # # RUN guard_regions.file.basic ... > # # OK guard_regions.file.basic > # ok 90 guard_regions.file.basic > # # FAILED: 87 / 90 tests passed. > # # 17 skipped test(s) detected. Consider enabling relevant config options to improve coverage. > # # Totals: pass:70 fail:3 xfail:0 xpass:0 skip:17 error:0 > # [FAIL] > not ok 1 guard-regions # exit=1 > hwpoison_inject > # SUMMARY: PASS=0 SKIP=0 FAIL=1 > > With this change, run with thp disabled kernel: > ./run_vmtests.sh -t madv_guard > > # ok 90 guard_regions.file.basic > # # PASSED: 90 / 90 tests passed. > # # 20 skipped test(s) detected. Consider enabling relevant config options to improve coverage. > # # Totals: pass:70 fail:0 xfail:0 xpass:0 skip:20 error:0 > # [PASS] > ok 1 guard-regions > hwpoison_inject > # SUMMARY: PASS=1 SKIP=0 FAIL=0 > 1..1 > CC: Li Wang > Signed-off-by: Chunyu Hu > --- Acked-by: David Hildenbrand (Arm) -- Cheers, David