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[PATCH v3 1/1] Documentation: dev-tools: clarify KTAP specification wording

by frowand.list＠gmail.com

From: Frank Rowand <frank.rowand(a)sony.com> Add the spec version to the title line. Explain likely source of "Unknown lines". "Unknown lines" in nested tests are optionally indented. Add "Unknown lines" items to differences between TAP & KTAP list Reviewed-by: Tim Bird <Tim.Bird(a)sony.com> Reviewed-by: David Gow <davidgow(a)google.com> Signed-off-by: Frank Rowand <frank.rowand(a)sony.com> --- Changes since version 2 - Add missing quote after word: incorrect - Add Reviewed-by tags Changes since version 1 - Explain likely source of "Unknown lines" - "Unknown line" in nested tests are optionally indented - Add "Unknown lines" items to differences between TAP & KTAP list Documentation/dev-tools/ktap.rst | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/Documentation/dev-tools/ktap.rst b/Documentation/dev-tools/ktap.rst index 878530cb9c27..dfb3f10a8b2d 100644 --- a/Documentation/dev-tools/ktap.rst +++ b/Documentation/dev-tools/ktap.rst @@ -1,8 +1,8 @@ .. SPDX-License-Identifier: GPL-2.0 -======================================== -The Kernel Test Anything Protocol (KTAP) -======================================== +=================================================== +The Kernel Test Anything Protocol (KTAP), version 1 +=================================================== TAP, or the Test Anything Protocol is a format for specifying test results used by a number of projects. It's website and specification are found at this `link @@ -174,6 +174,13 @@ There may be lines within KTAP output that do not follow the format of one of the four formats for lines described above. This is allowed, however, they will not influence the status of the tests. +This is an important difference from TAP. Kernel tests may print messages +to the system console or a log file. Both of these destinations may contain +messages either from unrelated kernel or userspace activity, or kernel +messages from non-test code that is invoked by the test. The kernel code +invoked by the test likely is not aware that a test is in progress and +thus can not print the message as a diagnostic message. + Nested tests ------------ @@ -186,10 +193,13 @@ starting with another KTAP version line and test plan, and end with the overall result. If one of the subtests fail, for example, the parent test should also fail. -Additionally, all result lines in a subtest should be indented. One level of +Additionally, all lines in a subtest should be indented. One level of indentation is two spaces: " ". The indentation should begin at the version line and should end before the parent test's result line. +"Unknown lines" are not considered to be lines in a subtest and thus are +allowed to be either indented or not indented. + An example of a test with two nested subtests: .. code-block:: @@ -225,9 +235,11 @@ Major differences between TAP and KTAP -------------------------------------- Note the major differences between the TAP and KTAP specification: -- yaml and json are not recommended in diagnostic messages -- TODO directive not recognized +- yaml and json are not recommended in KTAP diagnostic messages +- TODO directive not recognized in KTAP - KTAP allows for an arbitrary number of tests to be nested +- TAP includes "Unknown lines" in the category of "Anything else" +- TAP says "Unknown lines" are "incorrect"; KTAP allows "Unknown lines" The TAP14 specification does permit nested tests, but instead of using another nested version line, uses a line of the form -- Frank Rowand <frank.rowand(a)sony.com>

2 years, 12 months

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kselftest/fixes build: 8 builds: 0 failed, 8 passed, 1 warning (linux-kselftest-fixes-5.17-rc3-3-g183f80fd72db)

by kernelci.org bot

kselftest/fixes build: 8 builds: 0 failed, 8 passed, 1 warning (linux-kselftest-fixes-5.17-rc3-3-g183f80fd72db) Full Build Summary: https://kernelci.org/build/kselftest/branch/fixes/kernel/linux-kselftest-fi… Tree: kselftest Branch: fixes Git Describe: linux-kselftest-fixes-5.17-rc3-3-g183f80fd72db Git Commit: 183f80fd72db42c9cc483aa7a5e8e881355d0b03 Git URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git Built: 4 unique architectures Warnings Detected: arm64: arm: i386: x86_64: x86_64_defconfig+kselftest (clang-14): 1 warning Warnings summary: 1 net/core/skbuff.o: warning: objtool: skb_copy()+0x132: unreachable instruction ================================================================================ Detailed per-defconfig build reports: -------------------------------------------------------------------------------- defconfig+kselftest (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- defconfig+kselftest (arm64, clang-14) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- defconfig+kselftest+arm64-chromebook (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- defconfig+kselftest+arm64-chromebook (arm64, clang-14) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- i386_defconfig+kselftest (i386, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- multi_v7_defconfig+kselftest (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- x86_64_defconfig+kselftest (x86_64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- x86_64_defconfig+kselftest (x86_64, clang-14) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: net/core/skbuff.o: warning: objtool: skb_copy()+0x132: unreachable instruction --- For more info write to <info(a)kernelci.org>

2 years, 12 months

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kselftest/next build: 7 builds: 0 failed, 7 passed, 1 warning (v5.17-rc1-2-g6d468898d774)

by kernelci.org bot

kselftest/next build: 7 builds: 0 failed, 7 passed, 1 warning (v5.17-rc1-2-g6d468898d774) Full Build Summary: https://kernelci.org/build/kselftest/branch/next/kernel/v5.17-rc1-2-g6d4688… Tree: kselftest Branch: next Git Describe: v5.17-rc1-2-g6d468898d774 Git Commit: 6d468898d7744564ea9cb59d8de8f74660421599 Git URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git Built: 3 unique architectures Warnings Detected: arm64: arm: x86_64: x86_64_defconfig+kselftest (clang-14): 1 warning Warnings summary: 1 net/core/skbuff.o: warning: objtool: skb_copy()+0x132: unreachable instruction ================================================================================ Detailed per-defconfig build reports: -------------------------------------------------------------------------------- defconfig+kselftest (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- defconfig+kselftest (arm64, clang-14) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- defconfig+kselftest+arm64-chromebook (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- defconfig+kselftest+arm64-chromebook (arm64, clang-14) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- multi_v7_defconfig+kselftest (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- x86_64_defconfig+kselftest (x86_64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- x86_64_defconfig+kselftest (x86_64, clang-14) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: net/core/skbuff.o: warning: objtool: skb_copy()+0x132: unreachable instruction --- For more info write to <info(a)kernelci.org>

2 years, 12 months

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[PATCH][next] kselftest: alsa: fix spelling mistake "desciptor" -> "descriptor"

by Colin Ian King

There are some spelling mistakes in some ksft messages. Fix them. Signed-off-by: Colin Ian King <colin.i.king(a)gmail.com> --- tools/testing/selftests/alsa/mixer-test.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/alsa/mixer-test.c b/tools/testing/selftests/alsa/mixer-test.c index d0b788b8d287..eb2213540fe3 100644 --- a/tools/testing/selftests/alsa/mixer-test.c +++ b/tools/testing/selftests/alsa/mixer-test.c @@ -198,7 +198,7 @@ static void find_controls(void) err = snd_ctl_poll_descriptors_count(card_data->handle); if (err != 1) { - ksft_exit_fail_msg("Unexpected desciptor count %d for card %d\n", + ksft_exit_fail_msg("Unexpected descriptor count %d for card %d\n", err, card); } @@ -248,12 +248,12 @@ static int wait_for_event(struct ctl_data *ctl, int timeout) &(ctl->card->pollfd), 1, &revents); if (err < 0) { - ksft_print_msg("snd_ctl_poll_desciptors_revents() failed for %s: %d\n", + ksft_print_msg("snd_ctl_poll_descriptors_revents() failed for %s: %d\n", ctl->name, err); return err; } if (revents & POLLERR) { - ksft_print_msg("snd_ctl_poll_desciptors_revents() reported POLLERR for %s\n", + ksft_print_msg("snd_ctl_poll_descriptors_revents() reported POLLERR for %s\n", ctl->name); return -1; } -- 2.34.1

2 years, 12 months

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[PATCH v2 1/1] Documentation: dev-tools: clarify KTAP specification wording

by frowand.list＠gmail.com

From: Frank Rowand <frank.rowand(a)sony.com> Add the spec version to the title line. Explain likely source of "Unknown lines". "Unknown lines" in nested tests are optionally indented. Add "Unknown lines" items to differences between TAP & KTAP list Signed-off-by: Frank Rowand <frank.rowand(a)sony.com> --- Changes since version 1 - Explain likely source of "Unknown lines" - "Unknown line" in nested tests are optionally indented - Add "Unknown lines" items to differences between TAP & KTAP list Documentation/dev-tools/ktap.rst | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/Documentation/dev-tools/ktap.rst b/Documentation/dev-tools/ktap.rst index 878530cb9c27..9c40c94d3f12 100644 --- a/Documentation/dev-tools/ktap.rst +++ b/Documentation/dev-tools/ktap.rst @@ -1,8 +1,8 @@ .. SPDX-License-Identifier: GPL-2.0 -======================================== -The Kernel Test Anything Protocol (KTAP) -======================================== +=================================================== +The Kernel Test Anything Protocol (KTAP), version 1 +=================================================== TAP, or the Test Anything Protocol is a format for specifying test results used by a number of projects. It's website and specification are found at this `link @@ -174,6 +174,13 @@ There may be lines within KTAP output that do not follow the format of one of the four formats for lines described above. This is allowed, however, they will not influence the status of the tests. +This is an important difference from TAP. Kernel tests may print messages +to the system console or a log file. Both of these destinations may contain +messages either from unrelated kernel or userspace activity, or kernel +messages from non-test code that is invoked by the test. The kernel code +invoked by the test likely is not aware that a test is in progress and +thus can not print the message as a diagnostic message. + Nested tests ------------ @@ -186,10 +193,13 @@ starting with another KTAP version line and test plan, and end with the overall result. If one of the subtests fail, for example, the parent test should also fail. -Additionally, all result lines in a subtest should be indented. One level of +Additionally, all lines in a subtest should be indented. One level of indentation is two spaces: " ". The indentation should begin at the version line and should end before the parent test's result line. +"Unknown lines" are not considered to be lines in a subtest and thus are +allowed to be either indented or not indented. + An example of a test with two nested subtests: .. code-block:: @@ -225,9 +235,11 @@ Major differences between TAP and KTAP -------------------------------------- Note the major differences between the TAP and KTAP specification: -- yaml and json are not recommended in diagnostic messages -- TODO directive not recognized +- yaml and json are not recommended in KTAP diagnostic messages +- TODO directive not recognized in KTAP - KTAP allows for an arbitrary number of tests to be nested +- TAP includes "Unknown lines" in the category of "Anything else" +- TAP says "Unknown lines" are "incorrect; KTAP allows "Unknown lines" The TAP14 specification does permit nested tests, but instead of using another nested version line, uses a line of the form -- Frank Rowand <frank.rowand(a)sony.com>

2 years, 12 months

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[PATCH net-next 0/4] inet: Separate DSCP from ECN bits using new dscp_t type

by Guillaume Nault

The networking stack currently doesn't clearly distinguish between DSCP and ECN bits. The entire DSCP+ECN bits are stored in u8 variables (or structure fields), and each part of the stack handles them in their own way, using different macros. This has created several bugs in the past and some uncommon code paths are still unfixed. Such bugs generally manifest by selecting invalid routes because of ECN bits interfering with FIB routes and rules lookups (more details in the LPC 2021 talk[1] and in the RFC of this series[2]). This patch series aims at preventing the introduction of such bugs (and detecting existing ones), by introducing a dscp_t type, representing "sanitised" DSCP values (that is, with no ECN information), as opposed to plain u8 values that contain both DSCP and ECN information. dscp_t makes it clear for the reader what we're working on, and Sparse can flag invalid interactions between dscp_t and plain u8. This series converts only a few variables and structures: * Patch 1 converts the tclass field of struct fib6_rule. It effectively forbids the use of ECN bits in the tos/dsfield option of ip -6 rule. Rules now match packets solely based on their DSCP bits, so ECN doesn't influence the result any more. This contrasts with the previous behaviour where all 8 bits of the Traffic Class field were used. It is believed that this change is acceptable as matching ECN bits wasn't usable for IPv4, so only IPv6-only deployments could be depending on it. Also the previous behaviour made DSCP-based ip6-rules fail for packets with both a DSCP and an ECN mark, which is another reason why any such deploy is unlikely. * Patch 2 converts the tos field of struct fib4_rule. This one too effectively forbids defining ECN bits, this time in ip -4 rule. Before that, setting ECN bit 1 was accepted, while ECN bit 0 was rejected. But even when accepted, the rule would never match, as the packets would have their ECN bits cleared before doing the rule lookup. * Patch 3 converts the fc_tos field of struct fib_config. This is equivalent to patch 2, but for IPv4 routes. Routes using a tos/dsfield option with any ECN bit set is now rejected. Before this patch, they were accepted but, as with ip4 rules, these routes couldn't match any packet, since their ECN bits are cleared before the lookup. * Patch 4 converts the fa_tos field of struct fib_alias. This one is pure internal u8 to dscp_t conversion. While patches 1-3 had user facing consequences, this patch shouldn't have any side effect and is there to give an overview of what future conversion patches will look like. Conversions are quite mechanical, but imply some code churn, which is the price for the extra clarity a possibility of type checking. To summarise, all the behaviour changes required for the dscp_t type approach to work should be contained in patches 1-3. These changes are edge cases of ip-route and ip-rule that don't currently work properly. So they should be safe. Also, a kernel selftest is added for each of them. Finally, this work also paves the way for allowing the usage of the 3 high order DSCP bits in IPv4 (a few call paths already handle them, but in general the stack clears them before IPv4 rule and route lookups). References: [1] LPC 2021 talk: - https://linuxplumbersconf.org/event/11/contributions/943/ - Direct link to slide deck: https://linuxplumbersconf.org/event/11/contributions/943/attachments/901/17… [2] RFC version of this series: - https://lore.kernel.org/netdev/cover.1638814614.git.gnault@redhat.com/ Changes since RFC: - Use simple mask instead of a bit shift to converting between u8 and dscp_t (Toke). - Reword patch 4 to make it clear that no behaviour change is intended (Toke). - Add kernel selftests. - Rebase on latest net-next. Guillaume Nault (4): ipv6: Define dscp_t and stop taking ECN bits into account in fib6-rules ipv4: Stop taking ECN bits into account in fib4-rules ipv4: Reject routes specifying ECN bits in rtm_tos ipv4: Use dscp_t in struct fib_alias include/net/inet_dscp.h | 57 ++++++++++++++ include/net/ip_fib.h | 3 +- include/net/ipv6.h | 6 ++ net/ipv4/fib_frontend.c | 11 ++- net/ipv4/fib_lookup.h | 3 +- net/ipv4/fib_rules.c | 18 +++-- net/ipv4/fib_semantics.c | 14 ++-- net/ipv4/fib_trie.c | 58 ++++++++------ net/ipv4/route.c | 3 +- net/ipv6/fib6_rules.c | 19 +++-- tools/testing/selftests/net/fib_rule_tests.sh | 60 ++++++++++++++- tools/testing/selftests/net/fib_tests.sh | 76 +++++++++++++++++++ 12 files changed, 278 insertions(+), 50 deletions(-) create mode 100644 include/net/inet_dscp.h -- 2.21.3

2 years, 12 months

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[PATCH 1/3] list: test: Add test for list_del_init_careful()

by David Gow

The list_del_init_careful() function was added[1] after the list KUnit test. Add a very basic test to cover it. Note that this test only covers the single-threaded behaviour (which matches list_del_init()), as is already the case with the test for list_empty_careful(). [1]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?… Signed-off-by: David Gow <davidgow(a)google.com> --- lib/list-test.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/lib/list-test.c b/lib/list-test.c index ee09505df16f..976e9ae1f3c5 100644 --- a/lib/list-test.c +++ b/lib/list-test.c @@ -161,6 +161,24 @@ static void list_test_list_del_init(struct kunit *test) KUNIT_EXPECT_TRUE(test, list_empty_careful(&a)); } +static void list_test_list_del_init_careful(struct kunit *test) +{ + /* This test doesn't check correctness under concurrent access */ + struct list_head a, b; + LIST_HEAD(list); + + list_add_tail(&a, &list); + list_add_tail(&b, &list); + + /* before: [list] -> a -> b */ + list_del_init(&a); + /* after: [list] -> b, a initialised */ + + KUNIT_EXPECT_PTR_EQ(test, list.next, &b); + KUNIT_EXPECT_PTR_EQ(test, b.prev, &list); + KUNIT_EXPECT_TRUE(test, list_empty_careful(&a)); +} + static void list_test_list_move(struct kunit *test) { struct list_head a, b; @@ -707,6 +725,7 @@ static struct kunit_case list_test_cases[] = { KUNIT_CASE(list_test_list_replace_init), KUNIT_CASE(list_test_list_swap), KUNIT_CASE(list_test_list_del_init), + KUNIT_CASE(list_test_list_del_init_careful), KUNIT_CASE(list_test_list_move), KUNIT_CASE(list_test_list_move_tail), KUNIT_CASE(list_test_list_bulk_move_tail), -- 2.35.0.263.gb82422642f-goog

2 years, 12 months

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[PATCH v3 1/6] kunit: Introduce _NULL and _NOT_NULL macros

by Ricardo Ribalda

Today, when we want to check if a pointer is NULL and not ERR we have two options: KUNIT_EXPECT_TRUE(test, ptr == NULL); or KUNIT_EXPECT_PTR_NE(test, ptr, (struct mystruct *)NULL); Create a new set of macros that take care of NULL checks. Reviewed-by: Daniel Latypov <dlatypov(a)google.com> Signed-off-by: Ricardo Ribalda <ribalda(a)chromium.org> --- include/kunit/test.h | 88 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) diff --git a/include/kunit/test.h b/include/kunit/test.h index 00b9ff7783ab..340169723669 100644 --- a/include/kunit/test.h +++ b/include/kunit/test.h @@ -1218,6 +1218,50 @@ do { \ fmt, \ ##__VA_ARGS__) +/** + * KUNIT_EXPECT_NULL() - Expects that @ptr is null. + * @test: The test context object. + * @ptr: an arbitrary pointer. + * + * Sets an expectation that the value that @ptr evaluates to is null. This is + * semantically equivalent to KUNIT_EXPECT_PTR_EQ(@test, ptr, NULL). + * See KUNIT_EXPECT_TRUE() for more information. + */ +#define KUNIT_EXPECT_NULL(test, ptr) \ + KUNIT_EXPECT_PTR_EQ_MSG(test, \ + ptr, \ + NULL, \ + NULL) + +#define KUNIT_EXPECT_NULL_MSG(test, ptr, fmt, ...) \ + KUNIT_BINARY_PTR_ASSERTION(test, \ + KUNIT_EXPECTATION, \ + ptr, ==, NULL, \ + fmt, \ + ##__VA_ARGS__) + +/** + * KUNIT_EXPECT_NOT_NULL() - Expects that @ptr is not null. + * @test: The test context object. + * @ptr: an arbitrary pointer. + * + * Sets an expectation that the value that @ptr evaluates to is not null. This + * is semantically equivalent to KUNIT_EXPECT_PTR_NE(@test, ptr, NULL). + * See KUNIT_EXPECT_TRUE() for more information. + */ +#define KUNIT_EXPECT_NOT_NULL(test, ptr) \ + KUNIT_EXPECT_PTR_NE_MSG(test, \ + ptr, \ + NULL, \ + NULL) + +#define KUNIT_EXPECT_NOT_NULL_MSG(test, ptr, fmt, ...) \ + KUNIT_BINARY_PTR_ASSERTION(test, \ + KUNIT_EXPECTATION, \ + ptr, !=, NULL, \ + fmt, \ + ##__VA_ARGS__) + /** * KUNIT_EXPECT_NOT_ERR_OR_NULL() - Expects that @ptr is not null and not err. * @test: The test context object. @@ -1485,6 +1529,50 @@ do { \ fmt, \ ##__VA_ARGS__) +/** + * KUNIT_ASSERT_NULL() - Asserts that pointers @ptr is null. + * @test: The test context object. + * @ptr: an arbitrary pointer. + * + * Sets an assertion that the values that @ptr evaluates to is null. This is + * the same as KUNIT_EXPECT_NULL(), except it causes an assertion + * failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met. + */ +#define KUNIT_ASSERT_NULL(test, ptr) \ + KUNIT_ASSERT_PTR_EQ_MSG(test, \ + ptr, \ + NULL, \ + NULL) + +#define KUNIT_ASSERT_NULL_MSG(test, ptr, fmt, ...) \ + KUNIT_BINARY_PTR_ASSERTION(test, \ + KUNIT_ASSERTION, \ + ptr, ==, NULL, \ + fmt, \ + ##__VA_ARGS__) + +/** + * KUNIT_ASSERT_NOT_NULL() - Asserts that pointers @ptr is not null. + * @test: The test context object. + * @ptr: an arbitrary pointer. + * + * Sets an assertion that the values that @ptr evaluates to is not null. This + * is the same as KUNIT_EXPECT_NOT_NULL(), except it causes an assertion + * failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met. + */ +#define KUNIT_ASSERT_NOT_NULL(test, ptr) \ + KUNIT_ASSERT_PTR_NE_MSG(test, \ + ptr, \ + NULL, \ + NULL) + +#define KUNIT_ASSERT_NOT_NULL_MSG(test, ptr, fmt, ...) \ + KUNIT_BINARY_PTR_ASSERTION(test, \ + KUNIT_ASSERTION, \ + ptr, !=, NULL, \ + fmt, \ + ##__VA_ARGS__) + /** * KUNIT_ASSERT_NOT_ERR_OR_NULL() - Assertion that @ptr is not null and not err. * @test: The test context object. -- 2.35.0.263.gb82422642f-goog

2 years, 12 months

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[PATCH] selftests: futex: set DEFAULT_INSTALL_HDR_PATH

by Muhammad Usama Anjum

If only futex selftest is compiled, uapi header files are copied to the selftests/futex/functional directory. This copy isn't needed. Set the DEFAULT_INSTALL_HDR_PATH variable to 1 to use the default header install path only. This removes extra copy of header file. Signed-off-by: Muhammad Usama Anjum <usama.anjum(a)collabora.com> --- tools/testing/selftests/futex/functional/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/futex/functional/Makefile b/tools/testing/selftests/futex/functional/Makefile index 5cc38de9d8ea..9a8c3700d773 100644 --- a/tools/testing/selftests/futex/functional/Makefile +++ b/tools/testing/selftests/futex/functional/Makefile @@ -24,6 +24,7 @@ TEST_PROGS := run.sh top_srcdir = ../../../../.. KSFT_KHDR_INSTALL := 1 +DEFAULT_INSTALL_HDR_PATH := 1 include ../../lib.mk $(TEST_GEN_FILES): $(HEADERS) -- 2.30.2

2 years, 12 months

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[PATCH] selftests: Fix build when $(O) points to a relative path

by Muhammad Usama Anjum

Build of bpf and tc-testing selftests fails when the relative path of the build directory is specified. make -C tools/testing/selftests O=build0 make[1]: Entering directory '/linux_mainline/tools/testing/selftests/bpf' ../../../scripts/Makefile.include:4: *** O=build0 does not exist. Stop. make[1]: Entering directory '/linux_mainline/tools/testing/selftests/tc-testing' ../../../scripts/Makefile.include:4: *** O=build0 does not exist. Stop. The fix is same as mentioned in commit 150a27328b68 ("bpf, preload: Fix build when $(O) points to a relative path"). Signed-off-by: Muhammad Usama Anjum <usama.anjum(a)collabora.com> --- tools/testing/selftests/Makefile | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index 4eda7c7c15694..aa0faf132c35a 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -178,6 +178,7 @@ all: khdr BUILD_TARGET=$$BUILD/$$TARGET; \ mkdir $$BUILD_TARGET -p; \ $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET \ + O=$(abs_objtree) \ $(if $(FORCE_TARGETS),|| exit); \ ret=$$((ret * $$?)); \ done; exit $$ret; @@ -185,7 +186,8 @@ all: khdr run_tests: all @for TARGET in $(TARGETS); do \ BUILD_TARGET=$$BUILD/$$TARGET; \ - $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\ + $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests \ + O=$(abs_objtree); \ done; hotplug: -- 2.30.2

2 years, 12 months

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