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

[PATCH 1/1] selftests/mm: skip soft-dirty tests when CONFIG_MEM_SOFT_DIRTY is disabled

by Lance Yang

From: Lance Yang <lance.yang(a)linux.dev> The madv_populate and soft-dirty kselftests currently fail on systems where CONFIG_MEM_SOFT_DIRTY is disabled. Introduce a new helper softdirty_is_supported() into vm_util.c/h to ensure tests are properly skipped when the feature is not enabled. Signed-off-by: Lance Yang <lance.yang(a)linux.dev> --- tools/testing/selftests/mm/madv_populate.c | 21 ++-------------- tools/testing/selftests/mm/soft-dirty.c | 5 +++- tools/testing/selftests/mm/vm_util.c | 28 ++++++++++++++++++++++ tools/testing/selftests/mm/vm_util.h | 1 + 4 files changed, 35 insertions(+), 20 deletions(-) diff --git a/tools/testing/selftests/mm/madv_populate.c b/tools/testing/selftests/mm/madv_populate.c index b6fabd5c27ed..43dac7783004 100644 --- a/tools/testing/selftests/mm/madv_populate.c +++ b/tools/testing/selftests/mm/madv_populate.c @@ -264,23 +264,6 @@ static void test_softdirty(void) munmap(addr, SIZE); } -static int system_has_softdirty(void) -{ - /* - * There is no way to check if the kernel supports soft-dirty, other - * than by writing to a page and seeing if the bit was set. But the - * tests are intended to check that the bit gets set when it should, so - * doing that check would turn a potentially legitimate fail into a - * skip. Fortunately, we know for sure that arm64 does not support - * soft-dirty. So for now, let's just use the arch as a corse guide. - */ -#if defined(__aarch64__) - return 0; -#else - return 1; -#endif -} - int main(int argc, char **argv) { int nr_tests = 16; @@ -288,7 +271,7 @@ int main(int argc, char **argv) pagesize = getpagesize(); - if (system_has_softdirty()) + if (softdirty_is_supported()) nr_tests += 5; ksft_print_header(); @@ -300,7 +283,7 @@ int main(int argc, char **argv) test_holes(); test_populate_read(); test_populate_write(); - if (system_has_softdirty()) + if (softdirty_is_supported()) test_softdirty(); err = ksft_get_fail_cnt(); diff --git a/tools/testing/selftests/mm/soft-dirty.c b/tools/testing/selftests/mm/soft-dirty.c index 8a3f2b4b2186..98e42d2ac32a 100644 --- a/tools/testing/selftests/mm/soft-dirty.c +++ b/tools/testing/selftests/mm/soft-dirty.c @@ -200,8 +200,11 @@ int main(int argc, char **argv) int pagesize; ksft_print_header(); - ksft_set_plan(15); + if (!softdirty_is_supported()) + ksft_exit_skip("soft-dirty is not support\n"); + + ksft_set_plan(15); pagemap_fd = open(PAGEMAP_FILE_PATH, O_RDONLY); if (pagemap_fd < 0) ksft_exit_fail_msg("Failed to open %s\n", PAGEMAP_FILE_PATH); diff --git a/tools/testing/selftests/mm/vm_util.c b/tools/testing/selftests/mm/vm_util.c index 56e9bd541edd..3173335df775 100644 --- a/tools/testing/selftests/mm/vm_util.c +++ b/tools/testing/selftests/mm/vm_util.c @@ -449,6 +449,34 @@ bool check_vmflag_pfnmap(void *addr) return check_vmflag(addr, "pf"); } +bool softdirty_is_supported(void) +{ + char *addr; + int ret = 0; + size_t pagesize; + + /* We know for sure that arm64 does not support soft-dirty. */ +#if defined(__aarch64__) + return ret; +#endif + pagesize = getpagesize(); + /* + * __mmap_complete() always sets VM_SOFTDIRTY for new VMAs, so we + * just mmap a small region and check its VmFlags in /proc/self/smaps + * for the "sd" flag. + */ + addr = mmap(0, pagesize, PROT_READ | PROT_WRITE, + MAP_ANONYMOUS | MAP_PRIVATE, 0, 0); + if (!addr) + ksft_exit_fail_msg("mmap failed\n"); + + if (check_vmflag(addr, "sd")) + ret = 1; + + munmap(addr, pagesize); + return ret; +} + /* * Open an fd at /proc/$pid/maps and configure procmap_out ready for * PROCMAP_QUERY query. Returns 0 on success, or an error code otherwise. diff --git a/tools/testing/selftests/mm/vm_util.h b/tools/testing/selftests/mm/vm_util.h index 07c4acfd84b6..87ad8e0d92c0 100644 --- a/tools/testing/selftests/mm/vm_util.h +++ b/tools/testing/selftests/mm/vm_util.h @@ -104,6 +104,7 @@ bool find_vma_procmap(struct procmap_fd *procmap, void *address); int close_procmap(struct procmap_fd *procmap); int write_sysfs(const char *file_path, unsigned long val); int read_sysfs(const char *file_path, unsigned long *val); +bool softdirty_is_supported(void); static inline int open_self_procmap(struct procmap_fd *procmap_out) { -- 2.49.0

2 months, 3 weeks

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[PATCH] selftests/bpf: Add back removed kfuncs declarations

by Xing Guo

These kfuncs are removed in commit 2f9838e25790 ("selftests/bpf: Cleanup bpf qdisc selftests"), but they are still referenced by multiple tests. Otherwise, we will get the following errors. ``` progs/bpf_qdisc_fail__incompl_ops.c:13:2: error: call to undeclared function 'bpf_qdisc_skb_drop'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 13 | bpf_qdisc_skb_drop(skb, to_free); | ^ 1 error generated. progs/bpf_qdisc_fifo.c:38:3: error: call to undeclared function 'bpf_qdisc_skb_drop'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 38 | bpf_qdisc_skb_drop(skb, to_free); | ^ progs/bpf_qdisc_fq.c:280:11: error: call to undeclared function 'bpf_skb_get_hash'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 280 | hash = bpf_skb_get_hash(skb) & q.orphan_mask; | ^ progs/bpf_qdisc_fq.c:287:11: error: call to undeclared function 'bpf_skb_get_hash'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 287 | hash = bpf_skb_get_hash(skb) & q.orphan_mask; | ^ progs/bpf_qdisc_fq.c:375:3: error: call to undeclared function 'bpf_qdisc_skb_drop'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 375 | bpf_qdisc_skb_drop(skb, to_free); | ^ progs/bpf_qdisc_fifo.c:71:2: error: call to undeclared function 'bpf_qdisc_bstats_update'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 71 | bpf_qdisc_bstats_update(sch, skb); | ^ progs/bpf_qdisc_fifo.c:106:4: error: call to undeclared function 'bpf_kfree_skb'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 106 | bpf_kfree_skb(skb); | ^ 3 errors generated. progs/bpf_qdisc_fq.c:614:3: error: call to undeclared function 'bpf_qdisc_bstats_update'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 614 | bpf_qdisc_bstats_update(sch, skb); | ^ progs/bpf_qdisc_fq.c:619:3: error: call to undeclared function 'bpf_qdisc_watchdog_schedule'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 619 | bpf_qdisc_watchdog_schedule(sch, cb_ctx.expire, q.timer_slack); | ^ 5 errors generated. ``` Fixes: 2f9838e25790 ("selftests/bpf: Cleanup bpf qdisc selftests") Signed-off-by: Xing Guo <higuoxing(a)gmail.com> --- tools/testing/selftests/bpf/progs/bpf_qdisc_common.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/testing/selftests/bpf/progs/bpf_qdisc_common.h b/tools/testing/selftests/bpf/progs/bpf_qdisc_common.h index 3754f581b328..7e7f2fe04f22 100644 --- a/tools/testing/selftests/bpf/progs/bpf_qdisc_common.h +++ b/tools/testing/selftests/bpf/progs/bpf_qdisc_common.h @@ -14,6 +14,12 @@ struct bpf_sk_buff_ptr; +u32 bpf_skb_get_hash(struct sk_buff *p) __ksym; +void bpf_kfree_skb(struct sk_buff *p) __ksym; +void bpf_qdisc_skb_drop(struct sk_buff *p, struct bpf_sk_buff_ptr *to_free) __ksym; +void bpf_qdisc_watchdog_schedule(struct Qdisc *sch, u64 expire, u64 delta_ns) __ksym; +void bpf_qdisc_bstats_update(struct Qdisc *sch, const struct sk_buff *skb) __ksym; + static struct qdisc_skb_cb *qdisc_skb_cb(const struct sk_buff *skb) { return (struct qdisc_skb_cb *)skb->cb; -- 2.51.0

2 months, 3 weeks

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[PATCH] selftests: ublk: fix behavior when fio is not installed

by Uday Shankar

Some ublk selftests have strange behavior when fio is not installed. While most tests behave correctly (run if they don't need fio, or skip if they need fio), the following tests have different behavior: - test_null_01 and test_null_02 try to run fio without checking if it exists first, and fail on any failure of the fio command (including "fio command not found"). So these tests fail when they should skip. - test_stress_05 runs fio without checking if it exists first, but doesn't fail on fio command failure. This test passes, but that pass is misleading as the test doesn't do anything useful without fio installed. So this test passes when it should skip. Fix these issues by adding _have_program fio checks to the top of all three of these tests. Signed-off-by: Uday Shankar <ushankar(a)purestorage.com> --- tools/testing/selftests/ublk/test_null_01.sh | 4 ++++ tools/testing/selftests/ublk/test_null_02.sh | 4 ++++ tools/testing/selftests/ublk/test_stress_05.sh | 4 ++++ 3 files changed, 12 insertions(+) diff --git a/tools/testing/selftests/ublk/test_null_01.sh b/tools/testing/selftests/ublk/test_null_01.sh index a34203f726685787da80b0e32da95e0fcb90d0b1..c2cb8f7a09fe37a9956d067fd56b28dc7ca6bd68 100755 --- a/tools/testing/selftests/ublk/test_null_01.sh +++ b/tools/testing/selftests/ublk/test_null_01.sh @@ -6,6 +6,10 @@ TID="null_01" ERR_CODE=0 +if ! _have_program fio; then + exit "$UBLK_SKIP_CODE" +fi + _prep_test "null" "basic IO test" dev_id=$(_add_ublk_dev -t null) diff --git a/tools/testing/selftests/ublk/test_null_02.sh b/tools/testing/selftests/ublk/test_null_02.sh index 5633ca8766554b22be252c7cb2d13de1bf923b90..8accd35beb55c149f74b23f0fb562e12cbf3e362 100755 --- a/tools/testing/selftests/ublk/test_null_02.sh +++ b/tools/testing/selftests/ublk/test_null_02.sh @@ -6,6 +6,10 @@ TID="null_02" ERR_CODE=0 +if ! _have_program fio; then + exit "$UBLK_SKIP_CODE" +fi + _prep_test "null" "basic IO test with zero copy" dev_id=$(_add_ublk_dev -t null -z) diff --git a/tools/testing/selftests/ublk/test_stress_05.sh b/tools/testing/selftests/ublk/test_stress_05.sh index 566cfd90d192ce8c1f98ca2539792d54a787b3d1..274295061042e5db3f4f0846ae63ea9b787fb2ee 100755 --- a/tools/testing/selftests/ublk/test_stress_05.sh +++ b/tools/testing/selftests/ublk/test_stress_05.sh @@ -5,6 +5,10 @@ TID="stress_05" ERR_CODE=0 +if ! _have_program fio; then + exit "$UBLK_SKIP_CODE" +fi + run_io_and_remove() { local size=$1 --- base-commit: da7b97ba0d219a14a83e9cc93f98b53939f12944 change-id: 20250916-ublk_fio-1910998b00b3 Best regards, -- Uday Shankar <ushankar(a)purestorage.com>

2 months, 3 weeks

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[PATCH v2] selftests/kselftest_harness: Add harness-selftest.expected to TEST_FILES

by Yi Lai

The harness-selftest.expected is not installed in INSTALL_PATH. Attempting to execute harness-selftest.sh shows warning: diff: ./kselftest_harness/harness-selftest.expected: No such file or directory Add harness-selftest.expected to TEST_FILES. Fixes: df82ffc5a3c1 ("selftests: harness: Add kselftest harness selftest") Signed-off-by: Yi Lai <yi1.lai(a)intel.com> Reviewed-by: Thomas Weißschuh <thomas.weissschuh(a)linutronix.de> --- tools/testing/selftests/kselftest_harness/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/kselftest_harness/Makefile b/tools/testing/selftests/kselftest_harness/Makefile index 0617535a6ce4..d2369c01701a 100644 --- a/tools/testing/selftests/kselftest_harness/Makefile +++ b/tools/testing/selftests/kselftest_harness/Makefile @@ -2,6 +2,7 @@ TEST_GEN_PROGS_EXTENDED := harness-selftest TEST_PROGS := harness-selftest.sh +TEST_FILES := harness-selftest.expected EXTRA_CLEAN := harness-selftest.seen include ../lib.mk -- 2.43.0

2 months, 3 weeks

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[PATCH] selftests/Makefile: include $(INSTALL_DEP_TARGETS) in clean target to clean net/lib dependency

by Nai-Chen Cheng

The selftests 'make clean' does not clean the net/lib because it only processes $(TARGETS) and ignores $(INSTALL_DEP_TARGETS). This leaves compiled objects in net/lib after cleaning, requiring manual cleanup. Include $(INSTALL_DEP_TARGETS) in clean target to ensure net/lib dependency is properly cleaned. Signed-off-by: Nai-Chen Cheng <bleach1827(a)gmail.com> --- tools/testing/selftests/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index 030da61dbff3a7e4a22d61ba3972e248a43d374d..a2d8e1093b005c9af3570246dd8b10b59e44b46b 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -314,7 +314,7 @@ gen_tar: install @echo "Created ${TAR_PATH}" clean: - @for TARGET in $(TARGETS); do \ + @for TARGET in $(TARGETS) $(INSTALL_DEP_TARGETS); do \ BUILD_TARGET=$$BUILD/$$TARGET; \ $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\ done; --- base-commit: 9dd1835ecda5b96ac88c166f4a87386f3e727bd9 change-id: 20250910-selftests-makefile-clean-cc2fb70e9e32 Best regards, -- Nai-Chen Cheng <bleach1827(a)gmail.com>

2 months, 3 weeks

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[PATCH] selftests: watchdog: skip ping loop if WDIOF_KEEPALIVEPING not supported

by Akhilesh Patil

Check if watchdog device supports WDIOF_KEEPALIVEPING option before entering keep_alive() ping test loop. Fix watchdog-test silently looping if ioctl based ping is not supported by the device. Exit from test in such case instead of stucking in loop executing failing keep_alive() Fixes: d89d08ffd2c5 ("selftests: watchdog: Fix ioctl SET* error paths to take oneshot exit path") Signed-off-by: Akhilesh Patil <akhilesh(a)ee.iitb.ac.in> --- Testing: # wdt_test_1 -f /dev/watchdog0 -i watchdog_info: identity: m41t93 rtc Watchdog firmware_version: 0 Support/Status: Set timeout (in seconds) Support/Status: Watchdog triggers a management or other external alarm not a reboot # wdt_test_1 -f /dev/watchdog0 -d -t 5 -p 2 -e Watchdog card disabled. Watchdog timeout set to 5 seconds. Watchdog ping rate set to 2 seconds. Watchdog card enabled. WDIOC_KEEPALIVE not supported by this device without this change # wdt_test_2 -f /dev/watchdog0 -d -t 5 -p 2 -e Watchdog card disabled. Watchdog timeout set to 5 seconds. Watchdog ping rate set to 2 seconds. Watchdog card enabled. Watchdog Ticking Away! ^C (Where test stuck here forver silently) --- tools/testing/selftests/watchdog/watchdog-test.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/testing/selftests/watchdog/watchdog-test.c b/tools/testing/selftests/watchdog/watchdog-test.c index a1f506ba5578..4f09c5db0c7f 100644 --- a/tools/testing/selftests/watchdog/watchdog-test.c +++ b/tools/testing/selftests/watchdog/watchdog-test.c @@ -332,6 +332,12 @@ int main(int argc, char *argv[]) if (oneshot) goto end; + /* Check if WDIOF_KEEPALIVEPING is supported */ + if (!(info.options & WDIOF_KEEPALIVEPING)) { + printf("WDIOC_KEEPALIVE not supported by this device\n"); + goto end; + } + printf("Watchdog Ticking Away!\n"); /* -- 2.34.1

2 months, 3 weeks

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[PATCH v3 0/3] arm64: Support FEAT_LSFE (Large System Float Extension)

by Mark Brown

FEAT_LSFE is optional from v9.5, it adds new instructions for atomic memory operations with floating point values. We have no immediate use for it in kernel, provide a hwcap so userspace can discover it and allow the ID register field to be exposed to KVM guests. Signed-off-by: Mark Brown <broonie(a)kernel.org> --- Changes in v3: - Rebase onto v6.17-rc1. - Link to v2: https://lore.kernel.org/r/20250703-arm64-lsfe-v2-0-eced80999cb4@kernel.org Changes in v2: - Fix result of vi dropping in hwcap test. - Link to v1: https://lore.kernel.org/r/20250627-arm64-lsfe-v1-0-68351c4bf741@kernel.org --- Mark Brown (3): arm64/hwcap: Add hwcap for FEAT_LSFE KVM: arm64: Expose FEAT_LSFE to guests kselftest/arm64: Add lsfe to the hwcaps test Documentation/arch/arm64/elf_hwcaps.rst | 4 ++++ arch/arm64/include/asm/hwcap.h | 1 + arch/arm64/include/uapi/asm/hwcap.h | 1 + arch/arm64/kernel/cpufeature.c | 2 ++ arch/arm64/kernel/cpuinfo.c | 1 + arch/arm64/kvm/sys_regs.c | 4 +++- tools/testing/selftests/arm64/abi/hwcap.c | 21 +++++++++++++++++++++ 7 files changed, 33 insertions(+), 1 deletion(-) --- base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585 change-id: 20250625-arm64-lsfe-0810cf98adc2 Best regards, -- Mark Brown <broonie(a)kernel.org>

2 months, 3 weeks

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[PATCH v3 00/11] rust: use `core::ffi::CStr` method names

by Tamir Duberstein

This is series 2b/5 of the migration to `core::ffi::CStr`[0]. 20250704-core-cstr-prepare-v1-0-a91524037783(a)gmail.com. This series depends on the prior series[0] and is intended to go through the rust tree to reduce the number of release cycles required to complete the work. Subsystem maintainers: I would appreciate your `Acked-by`s so that this can be taken through Miguel's tree (where the other series must go). [0] https://lore.kernel.org/all/20250704-core-cstr-prepare-v1-0-a91524037783@gm… Signed-off-by: Tamir Duberstein <tamird(a)gmail.com> --- Changes in v3: - Add a patch to deal with new code in acpi. - Drop incorrectly applied Acked-by tags from Danilo. - Link to v2: https://lore.kernel.org/r/20250719-core-cstr-fanout-1-v2-0-e1cb53f6d233@gma… Changes in v2: - Update patch title (was nova-core, now drm/panic). - Link to v1: https://lore.kernel.org/r/20250709-core-cstr-fanout-1-v1-0-fd793b3e58a2@gma… --- Tamir Duberstein (11): drm/panic: use `core::ffi::CStr` method names rust: auxiliary: use `core::ffi::CStr` method names rust: configfs: use `core::ffi::CStr` method names rust: cpufreq: use `core::ffi::CStr` method names rust: drm: use `core::ffi::CStr` method names rust: firmware: use `core::ffi::CStr` method names rust: kunit: use `core::ffi::CStr` method names rust: miscdevice: use `core::ffi::CStr` method names rust: net: use `core::ffi::CStr` method names rust: of: use `core::ffi::CStr` method names rust: acpi: use `core::ffi::CStr` method names drivers/gpu/drm/drm_panic_qr.rs | 2 +- rust/kernel/acpi.rs | 7 ++----- rust/kernel/auxiliary.rs | 4 ++-- rust/kernel/configfs.rs | 4 ++-- rust/kernel/cpufreq.rs | 2 +- rust/kernel/drm/device.rs | 4 ++-- rust/kernel/firmware.rs | 2 +- rust/kernel/kunit.rs | 6 +++--- rust/kernel/miscdevice.rs | 2 +- rust/kernel/net/phy.rs | 2 +- rust/kernel/of.rs | 2 +- samples/rust/rust_configfs.rs | 2 +- 12 files changed, 18 insertions(+), 21 deletions(-) --- base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585 change-id: 20250709-core-cstr-fanout-1-f20611832272 Best regards, -- Tamir Duberstein <tamird(a)gmail.com>

2 months, 3 weeks

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[PATCHv3 net 1/2] bonding: don't set oif to bond dev when getting NS target destination

by Hangbin Liu

Unlike IPv4, IPv6 routing strictly requires the source address to be valid on the outgoing interface. If the NS target is set to a remote VLAN interface, and the source address is also configured on a VLAN over a bond interface, setting the oif to the bond device will fail to retrieve the correct destination route. Fix this by not setting the oif to the bond device when retrieving the NS target destination. This allows the correct destination device (the VLAN interface) to be determined, so that bond_verify_device_path can return the proper VLAN tags for sending NS messages. Reported-by: David Wilder <wilder(a)us.ibm.com> Closes: https://lore.kernel.org/netdev/aGOKggdfjv0cApTO@fedora/ Suggested-by: Jay Vosburgh <jv(a)jvosburgh.net> Tested-by: David Wilder <wilder(a)us.ibm.com> Acked-by: Jay Vosburgh <jv(a)jvosburgh.net> Fixes: 4e24be018eb9 ("bonding: add new parameter ns_targets") Signed-off-by: Hangbin Liu <liuhangbin(a)gmail.com> --- v3: no update v2: split the patch into 2 parts, the kernel change and test update (Jay Vosburgh) --- drivers/net/bonding/bond_main.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 257333c88710..30cf97f4e814 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3355,7 +3355,6 @@ static void bond_ns_send_all(struct bonding *bond, struct slave *slave) /* Find out through which dev should the packet go */ memset(&fl6, 0, sizeof(struct flowi6)); fl6.daddr = targets[i]; - fl6.flowi6_oif = bond->dev->ifindex; dst = ip6_route_output(dev_net(bond->dev), NULL, &fl6); if (dst->error) { -- 2.50.1

2 months, 3 weeks

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[PATCH] kunit: Extend kconfig help text for KUNIT_UML_PCI

by Thomas Weißschuh

Checkpatch.pl expects at least 4 lines of help text. Extend the help text to make checkpatch.pl happy. Fixes: 031cdd3bc3f3 ("kunit: Enable PCI on UML without triggering WARN()") Suggested-by: Shuah Khan <skhan(a)linuxfoundation.org> Link: https://lore.kernel.org/lkml/3dc95227-2be9-48a0-bdea-3f283d9b2a38@linuxfoun… Signed-off-by: Thomas Weißschuh <thomas.weissschuh(a)linutronix.de> --- Feel free to fold this into the original commit. --- lib/kunit/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/kunit/Kconfig b/lib/kunit/Kconfig index 1823539e96da30e165fa8d395ccbd3f6754c836e..7a6af361d2fc6276b9667be8c694b0c80e33c1e8 100644 --- a/lib/kunit/Kconfig +++ b/lib/kunit/Kconfig @@ -112,5 +112,9 @@ config KUNIT_UML_PCI select UML_PCI help Enables the PCI subsystem on UML for use by KUnit tests. + Some KUnit tests require the PCI core which is not enabled by + default on UML. + + If unsure, say N. endif # KUNIT --- base-commit: f20e264262f1e6a6e5302249e37da355d844b52b change-id: 20250916-kunit-pci-kconfig-357264bb45f4 Best regards, -- Thomas Weißschuh <thomas.weissschuh(a)linutronix.de>

2 months, 3 weeks

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