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 9D4F71CEEB2 for ; Wed, 21 May 2025 16:57:33 +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=1747846653; cv=none; b=ow/ogDGOQwbHjHWn41HLrFMuitx7utmn0IppcgXn5D5cbnHPCCKVgl5bUltqWtLf40iUbuK2gPDwpzlEbkM/N7o0NlGsgOlxPpcCTW/pQy0mm6aH1SvAjhLcYCS5BxuIK1UMccwifdP2egNZ14ihFQIRe1mPQhpivryv7YM4vVI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747846653; c=relaxed/simple; bh=6u6GFkGb9oEevax+KSZIc0d6VueJ+GyHoNzn/Jj91p4=; h=Date:To:From:Subject:Message-Id; b=LUjyVePCVIbZENx1G7p6Rz1abef84rOmOixJT4Sn/o44xXBQjTxd0XRgDcz4P4ftP5WedcRDHsv3OeOZ1Vc70HKOf2IxlB5YNTCDPahscQa7fm12rxwHRfQsoQ3J8ym57LL5SPuifViBpDhWUrtHsZc3AePRyww4SgP9ELVaVhg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=fMEszhbi; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="fMEszhbi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6ED41C4CEE4; Wed, 21 May 2025 16:57:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1747846653; bh=6u6GFkGb9oEevax+KSZIc0d6VueJ+GyHoNzn/Jj91p4=; h=Date:To:From:Subject:From; b=fMEszhbiK3CiW08lL4WCuCNWntdbOO3TE87ZalDk9fjKMvNy+3toSuXWp/YVE7ixu 1l928RhNh13KrliUosJLjZ47q+3d1bBu8LlD9wvpCkQNIIO/2zYzwxyhUk3ePxp5t0 Wsd7Zk12Cz41cfzBvUKGObj86YA3cK4UPnNtmuog= Date: Wed, 21 May 2025 09:57:32 -0700 To: mm-commits@vger.kernel.org,shuah@kernel.org,davidgow@google.com,corbet@lwn.net,brendan.higgins@linux.dev,sj@kernel.org,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-stable] mm-damon-tests-core-kunit-add-a-test-for-damos_set_filters_default_reject.patch removed from -mm tree Message-Id: <20250521165733.6ED41C4CEE4@smtp.kernel.org> Precedence: bulk X-Mailing-List: mm-commits@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm/damon/tests/core-kunit: add a test for damos_set_filters_default_reject() has been removed from the -mm tree. Its filename was mm-damon-tests-core-kunit-add-a-test-for-damos_set_filters_default_reject.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: SeongJae Park Subject: mm/damon/tests/core-kunit: add a test for damos_set_filters_default_reject() Date: Mon, 12 May 2025 17:27:13 -0700 DAMOS filters' default reject behavior is not very simple. Actually there was a mistake[1] during the development. Add a kunit test for validating the behavior. Link: https://lkml.kernel.org/r/20250513002715.40126-5-sj@kernel.org Link: https://lore.kernel.org/20250227002913.19359-1-sj@kernel.org [1] Signed-off-by: SeongJae Park Cc: Brendan Higgins Cc: David Gow Cc: Jonathan Corbet Cc: Shuah Khan Signed-off-by: Andrew Morton --- mm/damon/tests/core-kunit.h | 70 ++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) --- a/mm/damon/tests/core-kunit.h~mm-damon-tests-core-kunit-add-a-test-for-damos_set_filters_default_reject +++ a/mm/damon/tests/core-kunit.h @@ -510,6 +510,75 @@ static void damon_test_feed_loop_next_in damon_feed_loop_next_input(last_input, 2000)); } +static void damon_test_set_filters_default_reject(struct kunit *test) +{ + struct damos scheme; + struct damos_filter *target_filter, *anon_filter; + + INIT_LIST_HEAD(&scheme.filters); + INIT_LIST_HEAD(&scheme.ops_filters); + + damos_set_filters_default_reject(&scheme); + /* + * No filter is installed. Allow by default on both core and ops layer + * filtering stages, since there are no filters at all. + */ + KUNIT_EXPECT_EQ(test, scheme.core_filters_default_reject, false); + KUNIT_EXPECT_EQ(test, scheme.ops_filters_default_reject, false); + + target_filter = damos_new_filter(DAMOS_FILTER_TYPE_TARGET, true, true); + damos_add_filter(&scheme, target_filter); + damos_set_filters_default_reject(&scheme); + /* + * A core-handled allow-filter is installed. + * Rejct by default on core layer filtering stage due to the last + * core-layer-filter's behavior. + * Allow by default on ops layer filtering stage due to the absence of + * ops layer filters. + */ + KUNIT_EXPECT_EQ(test, scheme.core_filters_default_reject, true); + KUNIT_EXPECT_EQ(test, scheme.ops_filters_default_reject, false); + + target_filter->allow = false; + damos_set_filters_default_reject(&scheme); + /* + * A core-handled reject-filter is installed. + * Allow by default on core layer filtering stage due to the last + * core-layer-filter's behavior. + * Allow by default on ops layer filtering stage due to the absence of + * ops layer filters. + */ + KUNIT_EXPECT_EQ(test, scheme.core_filters_default_reject, false); + KUNIT_EXPECT_EQ(test, scheme.ops_filters_default_reject, false); + + anon_filter = damos_new_filter(DAMOS_FILTER_TYPE_ANON, true, true); + damos_add_filter(&scheme, anon_filter); + + damos_set_filters_default_reject(&scheme); + /* + * A core-handled reject-filter and ops-handled allow-filter are installed. + * Allow by default on core layer filtering stage due to the existence + * of the ops-handled filter. + * Reject by default on ops layer filtering stage due to the last + * ops-layer-filter's behavior. + */ + KUNIT_EXPECT_EQ(test, scheme.core_filters_default_reject, false); + KUNIT_EXPECT_EQ(test, scheme.ops_filters_default_reject, true); + + target_filter->allow = true; + damos_set_filters_default_reject(&scheme); + /* + * A core-handled allow-filter and ops-handled allow-filter are + * installed. + * Allow by default on core layer filtering stage due to the existence + * of the ops-handled filter. + * Reject by default on ops layer filtering stage due to the last + * ops-layer-filter's behavior. + */ + KUNIT_EXPECT_EQ(test, scheme.core_filters_default_reject, false); + KUNIT_EXPECT_EQ(test, scheme.ops_filters_default_reject, true); +} + static struct kunit_case damon_test_cases[] = { KUNIT_CASE(damon_test_target), KUNIT_CASE(damon_test_regions), @@ -527,6 +596,7 @@ static struct kunit_case damon_test_case KUNIT_CASE(damos_test_new_filter), KUNIT_CASE(damos_test_filter_out), KUNIT_CASE(damon_test_feed_loop_next_input), + KUNIT_CASE(damon_test_set_filters_default_reject), {}, }; _ Patches currently in -mm which might be from sj@kernel.org are