- Linux-kselftest-mirror - lists.linaro.org

[PATCH net-next 0/4] nexthop: Refactor and fix nexthop selection for multipath routes

by Benjamin Poirier

In order to select a nexthop for multipath routes, fib_select_multipath() is used with legacy nexthops and nexthop_select_path_hthr() is used with nexthop objects. Those two functions perform a validity test on the neighbor related to each nexthop but their logic is structured differently. This causes a divergence in behavior and nexthop_select_path_hthr() may return a nexthop that failed the neighbor validity test even if there was one that passed. Refactor nexthop_select_path_hthr() to make it more similar to fib_select_multipath() and fix the problem mentioned above. Benjamin Poirier (4): nexthop: Factor out hash threshold fdb nexthop selection nexthop: Factor out neighbor validity check nexthop: Do not return invalid nexthop object during multipath selection selftests: net: Add test cases for nexthop groups with invalid neighbors net/ipv4/nexthop.c | 64 +++++++--- tools/testing/selftests/net/fib_nexthops.sh | 129 ++++++++++++++++++++ 2 files changed, 174 insertions(+), 19 deletions(-) -- 2.40.1

1 year, 11 months

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[PATCH net-next 00/13] selftests: mptcp: format subtests results in TAP

by Matthieu Baerts

The current selftests infrastructure formats the results in TAP 13. This version doesn't support subtests and only the end result of each selftest is taken into account. It means that a single issue in a subtest of a selftest containing multiple subtests forces the whole selftest to be marked as failed. It also means that subtests results are not tracked by CI executing selftests. MPTCP selftests run hundreds of various subtests. It is then important to track each of them and not one result per selftest. It is particularly interesting to do that when validating stable kernels with the last version of the test suite: tests might fail because a feature is not supported but the test didn't skip that part. In this case, if subtests are not tracked, the whole selftest will be marked as failed making the other subtests useless because their results are ignored. Regarding this patch set: - The two first patches modify connect and userspace_pm selftests to continue executing other tests if there is an error before the end. This is what is done in the other MPTCP selftests. - Patches 3-5 are refactoring the code in userspace_pm selftest to reduce duplicated code, suppress some shellcheck warnings and prepare subtests' support by using new helpers. - Patch 6 adds new helpers in mptcp_lib.sh to easily support printing the subtests results in the different MPTCP selftests. - Patch 7-13 format subtests results in TAP 13 in the different MPTCP selftests. Signed-off-by: Matthieu Baerts <matthieu.baerts(a)tessares.net> --- Matthieu Baerts (13): selftests: mptcp: connect: don't stop if error selftests: mptcp: userspace pm: don't stop if error selftests: mptcp: userspace_pm: fix shellcheck warnings selftests: mptcp: userspace_pm: uniform results printing selftests: mptcp: userspace_pm: reduce dup code around printf selftests: mptcp: lib: format subtests results in TAP selftests: mptcp: connect: format subtests results in TAP selftests: mptcp: pm_netlink: format subtests results in TAP selftests: mptcp: join: format subtests results in TAP selftests: mptcp: diag: format subtests results in TAP selftests: mptcp: simult flows: format subtests results in TAP selftests: mptcp: sockopt: format subtests results in TAP selftests: mptcp: userspace_pm: format subtests results in TAP tools/testing/selftests/net/mptcp/diag.sh | 7 + tools/testing/selftests/net/mptcp/mptcp_connect.sh | 66 ++++++-- tools/testing/selftests/net/mptcp/mptcp_join.sh | 37 ++++- tools/testing/selftests/net/mptcp/mptcp_lib.sh | 66 ++++++++ tools/testing/selftests/net/mptcp/mptcp_sockopt.sh | 20 ++- tools/testing/selftests/net/mptcp/pm_netlink.sh | 6 +- tools/testing/selftests/net/mptcp/simult_flows.sh | 4 + tools/testing/selftests/net/mptcp/userspace_pm.sh | 181 +++++++++++++-------- 8 files changed, 298 insertions(+), 89 deletions(-) --- base-commit: 60cc1f7d0605598b47ee3c0c2b4b6fbd4da50a06 change-id: 20230712-upstream-net-next-20230712-selftests-mptcp-subtests-25d250d77886 Best regards, -- Matthieu Baerts <matthieu.baerts(a)tessares.net>

1 year, 11 months

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[RFC v2 0/9] kunit: Add test attributes API

by Rae Moar

Hello everyone, This is an RFC patch series to propose the addition of a test attributes framework to KUnit. There has been interest in filtering out "slow" KUnit tests. Most notably, a new config, CONFIG_MEMCPY_SLOW_KUNIT_TEST, has been added to exclude a particularly slow memcpy test (https://lore.kernel.org/all/20230118200653.give.574-kees@kernel.org/). This proposed attributes framework would be used to save and access test associated data, including whether a test is slow. These attributes would be reportable (via KTAP and command line output) and some will be filterable. This framework is designed to allow for the addition of other attributes in the future. These attributes could include whether the test is flaky, associated test files, etc. This is the second version of the RFC I have added a few big changes: - Change method for inputting filters to allow for spaces in filtering values - Add option to skip filtered tests instead of not run or show them with the --filter_skip flag - Separate the new feature to list tests and their attributes into both --list_tests (lists just tests) and --list_tests_attr (lists all) - Add new attribute to store module name associated with test - Add Tests to executor_test.c - Add Documentation - A few small changes to code commented on previously I would love to hear about the new features. If the series seems overall good I will send out the next version as an official patch series. Thanks! Rae Rae Moar (9): kunit: Add test attributes API structure kunit: Add speed attribute kunit: Add module attribute kunit: Add ability to filter attributes kunit: tool: Add command line interface to filter and report attributes kunit: memcpy: Mark tests as slow using test attributes kunit: time: Mark test as slow using test attributes kunit: add tests for filtering attributes kunit: Add documentation of KUnit test attributes .../dev-tools/kunit/running_tips.rst | 163 +++++++ include/kunit/attributes.h | 50 +++ include/kunit/test.h | 68 ++- kernel/time/time_test.c | 2 +- lib/Kconfig.debug | 3 + lib/kunit/Makefile | 3 +- lib/kunit/attributes.c | 406 ++++++++++++++++++ lib/kunit/executor.c | 115 ++++- lib/kunit/executor_test.c | 119 ++++- lib/kunit/kunit-example-test.c | 9 + lib/kunit/test.c | 27 +- lib/memcpy_kunit.c | 8 +- tools/testing/kunit/kunit.py | 80 +++- tools/testing/kunit/kunit_kernel.py | 6 +- tools/testing/kunit/kunit_tool_test.py | 39 +- 15 files changed, 1022 insertions(+), 76 deletions(-) create mode 100644 include/kunit/attributes.h create mode 100644 lib/kunit/attributes.c base-commit: 2e66833579ed759d7b7da1a8f07eb727ec6e80db -- 2.41.0.255.g8b1d071c50-goog

1 year, 11 months

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[PATCH v3] selftests/input: add tests for the EVIOCSCLOCKID ioctl

by Dana Elfassy

From: Dana Elfassy <dangel101(a)gmail.com> This patch introduces tests for the EVIOCSCLOCKID ioctl, for full coverage of the different clkids Signed-off-by: Dana Elfassy <delfassy(a)redhat.com> Reviewed-by: Enric Balletbo Serra <eballetbo(a)gmail.com> Reviewed-by: Shuah Khan <skhan(a)linuxfoundation.org> --- Changes in v3: - Modified signed-off-by email - Added Reviewed-by tag Changes in v2: - Replaced clkids numerical values with their equivalent definition This patch depends on '[v3] selftests/input: Introduce basic tests for evdev ioctls' [1] sent to the ML. [1] https://patchwork.kernel.org/project/linux-input/patch/20230607153214.15933… tools/testing/selftests/input/evioc-test.c | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/tools/testing/selftests/input/evioc-test.c b/tools/testing/selftests/input/evioc-test.c index ad7b93fe39cf..83ce1a3c9b84 100644 --- a/tools/testing/selftests/input/evioc-test.c +++ b/tools/testing/selftests/input/evioc-test.c @@ -17,6 +17,7 @@ #include <sys/stat.h> #include <time.h> #include <unistd.h> +#include <linux/time.h> #include "../kselftest_harness.h" @@ -234,4 +235,33 @@ TEST(eviocsrep_set_repeat_settings) selftest_uinput_destroy(uidev); } +TEST(eviocsclockid_set_clockid) +{ + struct selftest_uinput *uidev; + int clkid = CLOCK_REALTIME; + int rc; + + rc = selftest_uinput_create_device(&uidev, -1); + ASSERT_EQ(0, rc); + ASSERT_NE(NULL, uidev); + + rc = ioctl(uidev->evdev_fd, EVIOCSCLOCKID, &clkid); + ASSERT_EQ(0, rc); + + clkid = CLOCK_MONOTONIC; + rc = ioctl(uidev->evdev_fd, EVIOCSCLOCKID, &clkid); + ASSERT_EQ(0, rc); + + clkid = CLOCK_BOOTTIME; + rc = ioctl(uidev->evdev_fd, EVIOCSCLOCKID, &clkid); + ASSERT_EQ(0, rc); + + // case default + clkid = -1; + rc = ioctl(uidev->evdev_fd, EVIOCSCLOCKID, &clkid); + ASSERT_EQ(-1, rc); + + selftest_uinput_destroy(uidev); +} + TEST_HARNESS_MAIN -- 2.41.0

1 year, 11 months

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[PATCH bpf-next 0/3] allow bpf_map_sum_elem_count for all program types

by Anton Protopopov

This short series is a follow up to the recent series [1] which added per-cpu insert/delete statistics for maps. The bpf_map_sum_elem_count kfunc presented in the original series was only available to tracing programs, so let's make it available to all. The first patch allows to treat CONST_PTR_TO_MAP as trusted pointers from kfunc's point of view. The second patch just adds const to the map argument of the bpf_map_sum_elem_count kfunc. The third patch registers the bpf_map_sum_elem_count for all programs, and patches selftests correspondingly. Anton Protopopov (3): bpf: consider CONST_PTR_TO_MAP as trusted pointer to struct bpf_map bpf: make an argument const in the bpf_map_sum_elem_count kfunc bpf: allow any program to use the bpf_map_sum_elem_count kfunc include/linux/btf_ids.h | 1 + kernel/bpf/map_iter.c | 7 +++---- kernel/bpf/verifier.c | 5 ++++- tools/testing/selftests/bpf/progs/map_ptr_kern.c | 5 +++++ 4 files changed, 13 insertions(+), 5 deletions(-) -- 2.34.1

1 year, 11 months

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[PATCH v4 0/6] KVM: selftests: Improve PMU event filter settings and add test cases

by Jinrong Liang

Hi, This patch series aims to improve the PMU event filter settings with a cleaner and more organized structure and adds several test cases related to PMU event filters. These changes help to ensure that KVM's PMU event filter functions as expected in all supported use cases. Any feedback or suggestions are greatly appreciated. Sincerely, Jinrong Liang Changes log: v4: - Rebased to 88bb466c9dec(tag: kvm-x86-next-2023.06.22); - Add a patch to add macros for fixed counters in processor.h; - Add a patch to drop the return of remove_event(); (Sean) - Reverse xmas tree; (Sean) - Optimize code style and comments; (Sean) Previous: https://lore.kernel.org/kvm/20230607123700.40229-1-cloudliang@tencent.com/T Jinrong Liang (6): KVM: selftests: Add macros for fixed counters in processor.h KVM: selftests: Drop the return of remove_event() KVM: selftests: Introduce __kvm_pmu_event_filter to improved event filter settings KVM: selftests: Add test cases for unsupported PMU event filter input values KVM: selftests: Test if event filter meets expectations on fixed counters KVM: selftests: Test gp event filters don't affect fixed event filters .../selftests/kvm/include/x86_64/processor.h | 2 + .../kvm/x86_64/pmu_event_filter_test.c | 314 ++++++++++++------ 2 files changed, 222 insertions(+), 94 deletions(-) base-commit: 88bb466c9dec4f70d682cf38c685324e7b1b3d60 -- 2.39.3

1 year, 11 months

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[PATCH v4] selftests/net: replace manual array size calc with ARRAYSIZE macro.

by Mahmoud Maatuq

fixes coccinelle WARNING: Use ARRAY_SIZE Signed-off-by: Mahmoud Maatuq <mahmoudmatook.mm(a)gmail.com> --- changelog since v3: - move changelog outside commit message. changelog since v2: - integrat a commit that contains actual replacement for ARRAY_SIZE. - use ARRAY_SIZE for net/psock_lib.h changelog since v1: - remove unnecessary extra new line changelog since v0: - update net/Makefile to include kselftest.h - remove redefinition of ARRAYSIZE. --- tools/testing/selftests/net/Makefile | 2 ++ tools/testing/selftests/net/csum.c | 6 ++++-- tools/testing/selftests/net/hwtstamp_config.c | 6 ++++-- tools/testing/selftests/net/psock_lib.h | 4 +++- 4 files changed, 13 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile index 7f3ab2a93ed6..a06cc25489f9 100644 --- a/tools/testing/selftests/net/Makefile +++ b/tools/testing/selftests/net/Makefile @@ -3,6 +3,8 @@ CFLAGS = -Wall -Wl,--no-as-needed -O2 -g CFLAGS += -I../../../../usr/include/ $(KHDR_INCLUDES) +# Additional include paths needed by kselftest.h +CFLAGS += -I../ TEST_PROGS := run_netsocktests run_afpackettests test_bpf.sh netdevice.sh \ rtnetlink.sh xfrm_policy.sh test_blackhole_dev.sh diff --git a/tools/testing/selftests/net/csum.c b/tools/testing/selftests/net/csum.c index 82a1c1839da6..90eb06fefa59 100644 --- a/tools/testing/selftests/net/csum.c +++ b/tools/testing/selftests/net/csum.c @@ -91,6 +91,8 @@ #include <sys/types.h> #include <unistd.h> +#include "kselftest.h" + static bool cfg_bad_csum; static int cfg_family = PF_INET6; static int cfg_num_pkt = 4; @@ -450,7 +452,7 @@ static void send_packet(int fd, const char *buf, int len) iov[2].iov_len = len; msg.msg_iov = iov; - msg.msg_iovlen = sizeof(iov) / sizeof(iov[0]); + msg.msg_iovlen = ARRAY_SIZE(iov); msg.msg_name = &addr; msg.msg_namelen = sizeof(addr); @@ -505,7 +507,7 @@ static void __recv_prepare_packet_filter(int fd, int off_nexthdr, int off_dport) struct sock_fprog prog = {}; prog.filter = filter; - prog.len = sizeof(filter) / sizeof(struct sock_filter); + prog.len = ARRAY_SIZE(filter); if (setsockopt(fd, SOL_SOCKET, SO_ATTACH_FILTER, &prog, sizeof(prog))) error(1, errno, "setsockopt filter"); } diff --git a/tools/testing/selftests/net/hwtstamp_config.c b/tools/testing/selftests/net/hwtstamp_config.c index e1fdee841021..170728c96c46 100644 --- a/tools/testing/selftests/net/hwtstamp_config.c +++ b/tools/testing/selftests/net/hwtstamp_config.c @@ -16,6 +16,8 @@ #include <linux/net_tstamp.h> #include <linux/sockios.h> +#include "kselftest.h" + static int lookup_value(const char **names, int size, const char *name) { @@ -50,7 +52,7 @@ static const char *tx_types[] = { TX_TYPE(ONESTEP_SYNC) #undef TX_TYPE }; -#define N_TX_TYPES ((int)(sizeof(tx_types) / sizeof(tx_types[0]))) +#define N_TX_TYPES ((int)(ARRAY_SIZE(tx_types))) static const char *rx_filters[] = { #define RX_FILTER(name) [HWTSTAMP_FILTER_ ## name] = #name @@ -71,7 +73,7 @@ static const char *rx_filters[] = { RX_FILTER(PTP_V2_DELAY_REQ), #undef RX_FILTER }; -#define N_RX_FILTERS ((int)(sizeof(rx_filters) / sizeof(rx_filters[0]))) +#define N_RX_FILTERS ((int)(ARRAY_SIZE(rx_filters))) static void usage(void) { diff --git a/tools/testing/selftests/net/psock_lib.h b/tools/testing/selftests/net/psock_lib.h index faa884385c45..6e4fef560873 100644 --- a/tools/testing/selftests/net/psock_lib.h +++ b/tools/testing/selftests/net/psock_lib.h @@ -14,6 +14,8 @@ #include <arpa/inet.h> #include <unistd.h> +#include "kselftest.h" + #define DATA_LEN 100 #define DATA_CHAR 'a' #define DATA_CHAR_1 'b' @@ -63,7 +65,7 @@ static __maybe_unused void pair_udp_setfilter(int fd) struct sock_fprog bpf_prog; bpf_prog.filter = bpf_filter; - bpf_prog.len = sizeof(bpf_filter) / sizeof(struct sock_filter); + bpf_prog.len = ARRAY_SIZE(bpf_filter); if (setsockopt(fd, SOL_SOCKET, SO_ATTACH_FILTER, &bpf_prog, sizeof(bpf_prog))) { -- 2.34.1

1 year, 11 months

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[PATCH net 0/3] selftests: tc: increase timeout and add missing kconfig

by Matthieu Baerts

When looking for something else in LKFT reports [1], I noticed that the TC selftest ended with a timeout error: not ok 1 selftests: tc-testing: tdc.sh # TIMEOUT 45 seconds I also noticed most of the tests were skipped because the "teardown stage" did not complete successfully. It was due to missing kconfig. These patches fix these two errors plus an extra one because this selftest reads info from "/proc/net/nf_conntrack". Thank you Pedro for having helped me fixing these issues [2]. Link: https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230711/te… [1] Link: https://lore.kernel.org/netdev/0e061d4a-9a23-9f58-3b35-d8919de332d7@tessare… [2] Signed-off-by: Matthieu Baerts <matthieu.baerts(a)tessares.net> --- Matthieu Baerts (3): selftests: tc: set timeout to 15 minutes selftests: tc: add 'ct' action kconfig dep selftests: tc: add ConnTrack procfs kconfig tools/testing/selftests/tc-testing/config | 2 ++ tools/testing/selftests/tc-testing/settings | 1 + 2 files changed, 3 insertions(+) --- base-commit: 9d23aac8a85f69239e585c8656c6fdb21be65695 change-id: 20230713-tc-selftests-lkft-363e4590f105 Best regards, -- Matthieu Baerts <matthieu.baerts(a)tessares.net>

1 year, 11 months

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nolibc: KTAP output and test reports

by Thomas Weißschuh

Hi Willy, Zhangjin, after your recent discussions about the test output and report I wondered if it would make sense to switch nolibc-test to KTAP output format [0]. With this it would be possible to have a wrapper script run each architecture test as its own test subcomponent. A (K)TAP parser/runner could then directly recognize and report failing testcases, making it easier to validate. Also maybe we can hook it up into the regular kselftests setup and have the bots run it as part of that. The kernel even includes a header-only library to implement the format [1]. It also should be fairly easy to emit the format without a library. Thomas [0] Documentation/dev-tools/ktap.rst [1] Documentation/dev-tools/kselftest.rst (Test harness)

1 year, 11 months

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[PATCH v1 00/22] selftests/nolibc: add minimal kernel config support

by Zhangjin Wu

Willy, Thomas We just sent the 'selftests/nolibc: allow run with minimal kernel config' series [1], Here is the 'minimal' kernel config support, with both of them, it is possible to run nolibc-test for all architectures with oneline command and in less than ~30 minutes - 1 hour (not fullly measured yet): // run with tiny config + qemu-system // Note: rv32 and loongarch require to download the bios at first $ time make run-tiny-all QUIET_RUN=1 // run with default config + qemu-system $ time make run-default-all QUIET_RUN=1 // run with qemu-user $ time make run-user-all QUIET_RUN=1 Besides the 'tinyconfig' suggestion from Thomas, this patch also merge the generic part of my local powerpc porting (the extconfig to add additional console support). This is applied after the test report patchset [2] and the rv32 compile patchset [3], because all of them touched the same Makefile. Even without the 'selftests/nolibc: allow run with minimal kernel config' series [1], all of the tests can pass except the /proc/self/net related ones (We haven't enable CONFIG_NET in this patchset), the chmod_net one will be removed by Thomas from this patchset [4] for the wrong chmodable attribute issue of /proc/self/net, the link_cross one can be simply fixed up by using another /proc/self interface (like /proc/self/cmdline), which will be covered in our revision of the [1] series. Beside the core 'minimal' config support, some generic patch are added together to avoid patch conflicts. * selftests/nolibc: add test for -include /path/to/nolibc.h Add a test switch to allow run nolibc-test with nolibc.h * selftests/nolibc: print result to the screen too Let the run targets print results by default, allow disable by QUIET_RUN=1 * selftests/nolibc: allow use x86_64 toolchain for i386 Allow use x86_64 toolchains for i386 * selftests/nolibc: add menuconfig target for manual config a new 'menuconfig' target added for development and debugging * selftests/nolibc: add tinyconfig target a new 'tinyconfig' compare to 'defconfig', smaller and faster, but not enough for boot and print, require following 'extconfig' target * selftests/nolibc: allow customize extra kernel config options a new 'extconfig' allows to add extra config options for 'defconfig' and 'tinyconfig' * selftests/nolibc: add common extra config options selftests/nolibc: add power reset control support selftests/nolibc: add procfs, shmem and tmpfs Add common extra configs, the 3rd one (procfs, shmem and tmpfs) can be completely reverted after [1] series, but as discuss with Thomas, procfs may be still a hard requirement. * selftests/nolibc: add extra configs for i386 selftests/nolibc: add extra configs for x86_64 selftests/nolibc: add extra configs for arm64 selftests/nolibc: add extra configs for arm selftests/nolibc: add extra configs for mips selftests/nolibc: add extra configs for riscv32 selftests/nolibc: add extra configs for riscv64 selftests/nolibc: add extra configs for s390x selftests/nolibc: add extra configs for loongarch Add architecture specific extra configs to let kernel boot and nolibc-test print. The rv32 added here is only for test, it should not be merged before the missing 64bit syscalls are added (still wait for the merging of the __sysret and -ENOSYS patches). * selftests/nolibc: config default CROSS_COMPILE selftests/nolibc: add run-tiny and run-default both run-tiny and run-default are added to do config and run together, this easier test a log. * selftests/nolibc: allow run tests on all targets selftests/nolibc: detect bios existing to avoid hang Further allow do run-user, run-tiny and run-default for all architectures at once, the -all suffix is added to do so. Since some generic patches are still in review, before sending the left rv32 patches, I'm will send more generic patches later, the coming one is arch-xxx.h cleanup, and then, the 32bit powerpc porting support. For the compile speedup, the next step may be add architecture specific 'O' support, which may allow us rerun across architectures without mrproper, for a single architecture development, this 'minimal' config should be enough ;-) Thanks. Best regards, Zhangjin --- [1]: https://lore.kernel.org/lkml/cover.1687344643.git.falcon@tinylab.org/ [2]: https://lore.kernel.org/lkml/cover.1687156559.git.falcon@tinylab.org/ [3]: https://lore.kernel.org/linux-riscv/cover.1687176996.git.falcon@tinylab.org/ [4]: https://lore.kernel.org/lkml/20230624-proc-net-setattr-v1-0-73176812adee@we… Zhangjin Wu (22): selftests/nolibc: add test for -include /path/to/nolibc.h selftests/nolibc: print result to the screen too selftests/nolibc: allow use x86_64 toolchain for i386 selftests/nolibc: add menuconfig target for manual config selftests/nolibc: add tinyconfig target selftests/nolibc: allow customize extra kernel config options selftests/nolibc: add common extra config options selftests/nolibc: add power reset control support selftests/nolibc: add procfs, shmem and tmpfs selftests/nolibc: add extra configs for i386 selftests/nolibc: add extra configs for x86_64 selftests/nolibc: add extra configs for arm64 selftests/nolibc: add extra configs for arm selftests/nolibc: add extra configs for mips selftests/nolibc: add extra configs for riscv32 selftests/nolibc: add extra configs for riscv64 selftests/nolibc: add extra configs for s390x selftests/nolibc: add extra configs for loongarch selftests/nolibc: config default CROSS_COMPILE selftests/nolibc: add run-tiny and run-default selftests/nolibc: allow run tests on all targets selftests/nolibc: detect bios existing to avoid hang tools/testing/selftests/nolibc/Makefile | 125 ++++++++++++++++++++++-- 1 file changed, 119 insertions(+), 6 deletions(-) -- 2.25.1

1 year, 11 months

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