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[PATCH AUTOSEL 6.6 02/20] selftests/bpf: Fix invalid flag of recv()

by Sasha Levin

From: Jiayuan Chen <mrpre(a)163.com> [ Upstream commit a0c11149509aa905aeec10cf9998091443472b0b ] SOCK_NONBLOCK flag is only effective during socket creation, not during recv. Use MSG_DONTWAIT instead. Signed-off-by: Jiayuan Chen <mrpre(a)163.com> Signed-off-by: Martin KaFai Lau <martin.lau(a)kernel.org> Acked-by: Jakub Sitnicki <jakub(a)cloudflare.com> Acked-by: John Fastabend <john.fastabend(a)gmail.com> Link: https://patch.msgid.link/20250122100917.49845-5-mrpre@163.com Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- tools/testing/selftests/bpf/prog_tests/sockmap_basic.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c index dda7060e86a09..b16d765a153a9 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c @@ -402,8 +402,8 @@ static void test_sockmap_skb_verdict_shutdown(void) if (!ASSERT_EQ(err, 1, "epoll_wait(fd)")) goto out_close; - n = recv(c1, &b, 1, SOCK_NONBLOCK); - ASSERT_EQ(n, 0, "recv_timeout(fin)"); + n = recv(c1, &b, 1, MSG_DONTWAIT); + ASSERT_EQ(n, 0, "recv(fin)"); out_close: close(c1); close(p1); @@ -459,7 +459,7 @@ static void test_sockmap_skb_verdict_fionread(bool pass_prog) ASSERT_EQ(avail, expected, "ioctl(FIONREAD)"); /* On DROP test there will be no data to read */ if (pass_prog) { - recvd = recv_timeout(c1, &buf, sizeof(buf), SOCK_NONBLOCK, IO_TIMEOUT_SEC); + recvd = recv_timeout(c1, &buf, sizeof(buf), MSG_DONTWAIT, IO_TIMEOUT_SEC); ASSERT_EQ(recvd, sizeof(buf), "recv_timeout(c0)"); } -- 2.39.5

4 months, 1 week

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[PATCH AUTOSEL 6.12 02/28] selftests/bpf: Fix invalid flag of recv()

by Sasha Levin

From: Jiayuan Chen <mrpre(a)163.com> [ Upstream commit a0c11149509aa905aeec10cf9998091443472b0b ] SOCK_NONBLOCK flag is only effective during socket creation, not during recv. Use MSG_DONTWAIT instead. Signed-off-by: Jiayuan Chen <mrpre(a)163.com> Signed-off-by: Martin KaFai Lau <martin.lau(a)kernel.org> Acked-by: Jakub Sitnicki <jakub(a)cloudflare.com> Acked-by: John Fastabend <john.fastabend(a)gmail.com> Link: https://patch.msgid.link/20250122100917.49845-5-mrpre@163.com Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- tools/testing/selftests/bpf/prog_tests/sockmap_basic.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c index 82bfb266741cf..fb08c565d6aad 100644 --- a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c +++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c @@ -492,8 +492,8 @@ static void test_sockmap_skb_verdict_shutdown(void) if (!ASSERT_EQ(err, 1, "epoll_wait(fd)")) goto out_close; - n = recv(c1, &b, 1, SOCK_NONBLOCK); - ASSERT_EQ(n, 0, "recv_timeout(fin)"); + n = recv(c1, &b, 1, MSG_DONTWAIT); + ASSERT_EQ(n, 0, "recv(fin)"); out_close: close(c1); close(p1); @@ -546,7 +546,7 @@ static void test_sockmap_skb_verdict_fionread(bool pass_prog) ASSERT_EQ(avail, expected, "ioctl(FIONREAD)"); /* On DROP test there will be no data to read */ if (pass_prog) { - recvd = recv_timeout(c1, &buf, sizeof(buf), SOCK_NONBLOCK, IO_TIMEOUT_SEC); + recvd = recv_timeout(c1, &buf, sizeof(buf), MSG_DONTWAIT, IO_TIMEOUT_SEC); ASSERT_EQ(recvd, sizeof(buf), "recv_timeout(c0)"); } -- 2.39.5

4 months, 1 week

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[PATCH AUTOSEL 6.13 01/32] selftests/bpf: Adjust data size to have ETH_HLEN

by Sasha Levin

From: Shigeru Yoshida <syoshida(a)redhat.com> [ Upstream commit c7f2188d68c114095660a950b7e880a1e5a71c8f ] The function bpf_test_init() now returns an error if user_size (.data_size_in) is less than ETH_HLEN, causing the tests to fail. Adjust the data size to ensure it meets the requirement of ETH_HLEN. Signed-off-by: Shigeru Yoshida <syoshida(a)redhat.com> Signed-off-by: Martin KaFai Lau <martin.lau(a)kernel.org> Link: https://patch.msgid.link/20250121150643.671650-2-syoshida@redhat.com Signed-off-by: Alexei Starovoitov <ast(a)kernel.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- .../testing/selftests/bpf/prog_tests/xdp_cpumap_attach.c | 4 ++-- .../testing/selftests/bpf/prog_tests/xdp_devmap_attach.c | 8 ++++---- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_cpumap_attach.c b/tools/testing/selftests/bpf/prog_tests/xdp_cpumap_attach.c index c7f74f068e788..df27535995af8 100644 --- a/tools/testing/selftests/bpf/prog_tests/xdp_cpumap_attach.c +++ b/tools/testing/selftests/bpf/prog_tests/xdp_cpumap_attach.c @@ -52,10 +52,10 @@ static void test_xdp_with_cpumap_helpers(void) ASSERT_EQ(info.id, val.bpf_prog.id, "Match program id to cpumap entry prog_id"); /* send a packet to trigger any potential bugs in there */ - char data[10] = {}; + char data[ETH_HLEN] = {}; DECLARE_LIBBPF_OPTS(bpf_test_run_opts, opts, .data_in = &data, - .data_size_in = 10, + .data_size_in = sizeof(data), .flags = BPF_F_TEST_XDP_LIVE_FRAMES, .repeat = 1, ); diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c b/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c index 27ffed17d4be3..461ab18705d5c 100644 --- a/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c +++ b/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c @@ -23,7 +23,7 @@ static void test_xdp_with_devmap_helpers(void) __u32 len = sizeof(info); int err, dm_fd, dm_fd_redir, map_fd; struct nstoken *nstoken = NULL; - char data[10] = {}; + char data[ETH_HLEN] = {}; __u32 idx = 0; SYS(out_close, "ip netns add %s", TEST_NS); @@ -58,7 +58,7 @@ static void test_xdp_with_devmap_helpers(void) /* send a packet to trigger any potential bugs in there */ DECLARE_LIBBPF_OPTS(bpf_test_run_opts, opts, .data_in = &data, - .data_size_in = 10, + .data_size_in = sizeof(data), .flags = BPF_F_TEST_XDP_LIVE_FRAMES, .repeat = 1, ); @@ -158,7 +158,7 @@ static void test_xdp_with_devmap_helpers_veth(void) struct nstoken *nstoken = NULL; __u32 len = sizeof(info); int err, dm_fd, dm_fd_redir, map_fd, ifindex_dst; - char data[10] = {}; + char data[ETH_HLEN] = {}; __u32 idx = 0; SYS(out_close, "ip netns add %s", TEST_NS); @@ -208,7 +208,7 @@ static void test_xdp_with_devmap_helpers_veth(void) /* send a packet to trigger any potential bugs in there */ DECLARE_LIBBPF_OPTS(bpf_test_run_opts, opts, .data_in = &data, - .data_size_in = 10, + .data_size_in = sizeof(data), .flags = BPF_F_TEST_XDP_LIVE_FRAMES, .repeat = 1, ); -- 2.39.5

4 months, 1 week

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[PATCH -next] selftests/filesystems: Remove duplicate sys/types.h header

by Jiapeng Chong

./tools/testing/selftests/filesystems/utils.c: sys/types.h is included more than once. Reported-by: Abaci Robot <abaci(a)linux.alibaba.com> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=19042 Signed-off-by: Jiapeng Chong <jiapeng.chong(a)linux.alibaba.com> --- tools/testing/selftests/filesystems/utils.c | 1 - 1 file changed, 1 deletion(-) diff --git a/tools/testing/selftests/filesystems/utils.c b/tools/testing/selftests/filesystems/utils.c index e553c89c5b19..06419bf4ba19 100644 --- a/tools/testing/selftests/filesystems/utils.c +++ b/tools/testing/selftests/filesystems/utils.c @@ -3,7 +3,6 @@ #define _GNU_SOURCE #endif #include <fcntl.h> -#include <sys/types.h> #include <dirent.h> #include <grp.h> #include <linux/limits.h> -- 2.32.0.3.g01195cf9f

4 months, 1 week

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[PATCH] selftests/mount: Use 'const' for filename parameters

by Ritvik Gupta

The filename parameter in write_file(), maybe_write_file(), and vmaybe_write_file() is unmodified / read-only. So, used 'const' to improve type safety. Signed-off-by: Ritvik Gupta <ritvikfoss(a)gmail.com> --- tools/testing/selftests/mount/unprivileged-remount-test.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/mount/unprivileged-remount-test.c b/tools/testing/selftests/mount/unprivileged-remount-test.c index d2917054fe3a..e80ac76261e7 100644 --- a/tools/testing/selftests/mount/unprivileged-remount-test.c +++ b/tools/testing/selftests/mount/unprivileged-remount-test.c @@ -54,7 +54,7 @@ static void die(char *fmt, ...) exit(EXIT_FAILURE); } -static void vmaybe_write_file(bool enoent_ok, char *filename, char *fmt, va_list ap) +static void vmaybe_write_file(bool enoent_ok, const char *filename, char *fmt, va_list ap) { char buf[4096]; int fd; @@ -92,7 +92,7 @@ static void vmaybe_write_file(bool enoent_ok, char *filename, char *fmt, va_list } } -static void maybe_write_file(char *filename, char *fmt, ...) +static void maybe_write_file(const char *filename, char *fmt, ...) { va_list ap; @@ -102,7 +102,7 @@ static void maybe_write_file(char *filename, char *fmt, ...) } -static void write_file(char *filename, char *fmt, ...) +static void write_file(const char *filename, char *fmt, ...) { va_list ap; -- 2.48.1

4 months, 1 week

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[PATCH rcu 00/20] SRCU changes for v6.15

by Boqun Feng

Hi, Please find the upcoming changes in SRCU for v6.15. The changes can also be found at: git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux.git srcu.2025.02.05a Regards, Boqun Paul E. McKenney (20): srcu: Make Tiny SRCU able to operate in preemptible kernels srcu: Define SRCU_READ_FLAVOR_ALL in terms of symbols srcu: Use ->srcu_gp_seq for rcutorture reader batch srcu: Pull ->srcu_{un,}lock_count into a new srcu_ctr structure srcu: Make SRCU readers use ->srcu_ctrs for counter selection srcu: Make Tree SRCU updates independent of ->srcu_idx srcu: Force synchronization for srcu_get_delay() srcu: Rename srcu_check_read_flavor_lite() to srcu_check_read_flavor_force() srcu: Add SRCU_READ_FLAVOR_SLOWGP to flag need for synchronize_rcu() srcu: Pull pointer-to-integer conversion into __srcu_ptr_to_ctr() srcu: Pull integer-to-pointer conversion into __srcu_ctr_to_ptr() srcu: Move SRCU Tree/Tiny definitions from srcu.h srcu: Add SRCU-fast readers rcutorture: Add ability to test srcu_read_{,un}lock_fast() refscale: Add srcu_read_lock_fast() support using "srcu-fast" rcutorture: Make scenario SRCU-P use srcu_read_lock_fast() srcu: Fix srcu_read_unlock_{lite,nmisafe}() kernel-doc srcu: Document that srcu_{read_lock,down_read}() can share srcu_struct srcu: Add srcu_down_read_fast() and srcu_up_read_fast() srcu: Make SRCU-fast also be NMI-safe include/linux/srcu.h | 102 +++++++-- include/linux/srcutiny.h | 27 ++- include/linux/srcutree.h | 98 +++++++-- kernel/rcu/rcu.h | 9 +- kernel/rcu/rcutorture.c | 11 + kernel/rcu/refscale.c | 32 ++- kernel/rcu/srcutiny.c | 6 + kernel/rcu/srcutree.c | 199 +++++++++--------- .../rcutorture/configs/rcu/SRCU-P.boot | 1 + 9 files changed, 359 insertions(+), 126 deletions(-) -- 2.39.5 (Apple Git-154)

4 months, 1 week

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[PATCH net v2 2/2] selftests: drv-net: test XDP, HDS auto and the ioctl path

by Jakub Kicinski

Test XDP and HDS interaction. While at it add a test for using the IOCTL, as that turned out to be the real culprit. Testing bnxt: # NETIF=eth0 ./ksft-net-drv/drivers/net/hds.py KTAP version 1 1..12 ok 1 hds.get_hds ok 2 hds.get_hds_thresh ok 3 hds.set_hds_disable # SKIP disabling of HDS not supported by the device ok 4 hds.set_hds_enable ok 5 hds.set_hds_thresh_zero ok 6 hds.set_hds_thresh_max ok 7 hds.set_hds_thresh_gt ok 8 hds.set_xdp ok 9 hds.enabled_set_xdp ok 10 hds.ioctl ok 11 hds.ioctl_set_xdp ok 12 hds.ioctl_enabled_set_xdp # Totals: pass:11 fail:0 xfail:0 xpass:0 skip:1 error:0 and netdevsim: # ./ksft-net-drv/drivers/net/hds.py KTAP version 1 1..12 ok 1 hds.get_hds ok 2 hds.get_hds_thresh ok 3 hds.set_hds_disable ok 4 hds.set_hds_enable ok 5 hds.set_hds_thresh_zero ok 6 hds.set_hds_thresh_max ok 7 hds.set_hds_thresh_gt ok 8 hds.set_xdp ok 9 hds.enabled_set_xdp ok 10 hds.ioctl ok 11 hds.ioctl_set_xdp ok 12 hds.ioctl_enabled_set_xdp # Totals: pass:12 fail:0 xfail:0 xpass:0 skip:0 error:0 Netdevsim needs a sane default for tx/rx ring size. ethtool 6.11 is needed for the --disable-netlink option. Signed-off-by: Jakub Kicinski <kuba(a)kernel.org> --- Since this is targeting net there is no cfg.rpath(), I'll follow up once in net-next. v2: - add the ioctl tests - factor out some common logic CC: shuah(a)kernel.org CC: hawk(a)kernel.org CC: petrm(a)nvidia.com CC: willemb(a)google.com CC: jstancek(a)redhat.com CC: linux-kselftest(a)vger.kernel.org --- tools/testing/selftests/net/lib/Makefile | 3 + drivers/net/netdevsim/ethtool.c | 2 + .../testing/selftests/net/lib/xdp_dummy.bpf.c | 13 ++ tools/testing/selftests/drivers/net/hds.py | 145 +++++++++++++++++- 4 files changed, 160 insertions(+), 3 deletions(-) create mode 100644 tools/testing/selftests/net/lib/xdp_dummy.bpf.c diff --git a/tools/testing/selftests/net/lib/Makefile b/tools/testing/selftests/net/lib/Makefile index bc6b6762baf3..c22623b9a2a5 100644 --- a/tools/testing/selftests/net/lib/Makefile +++ b/tools/testing/selftests/net/lib/Makefile @@ -9,7 +9,10 @@ TEST_FILES := ../../../../../Documentation/netlink/specs TEST_FILES += ../../../../net/ynl TEST_GEN_FILES += csum +TEST_GEN_FILES += $(patsubst %.c,%.o,$(wildcard *.bpf.c)) TEST_INCLUDES := $(wildcard py/*.py sh/*.sh) include ../../lib.mk + +include ../bpf.mk diff --git a/drivers/net/netdevsim/ethtool.c b/drivers/net/netdevsim/ethtool.c index 5c80fbee7913..7ab358616e03 100644 --- a/drivers/net/netdevsim/ethtool.c +++ b/drivers/net/netdevsim/ethtool.c @@ -184,9 +184,11 @@ static const struct ethtool_ops nsim_ethtool_ops = { static void nsim_ethtool_ring_init(struct netdevsim *ns) { + ns->ethtool.ring.rx_pending = 512; ns->ethtool.ring.rx_max_pending = 4096; ns->ethtool.ring.rx_jumbo_max_pending = 4096; ns->ethtool.ring.rx_mini_max_pending = 4096; + ns->ethtool.ring.tx_pending = 512; ns->ethtool.ring.tx_max_pending = 4096; } diff --git a/tools/testing/selftests/net/lib/xdp_dummy.bpf.c b/tools/testing/selftests/net/lib/xdp_dummy.bpf.c new file mode 100644 index 000000000000..d988b2e0cee8 --- /dev/null +++ b/tools/testing/selftests/net/lib/xdp_dummy.bpf.c @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0 + +#define KBUILD_MODNAME "xdp_dummy" +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> + +SEC("xdp") +int xdp_dummy_prog(struct xdp_md *ctx) +{ + return XDP_PASS; +} + +char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/drivers/net/hds.py b/tools/testing/selftests/drivers/net/hds.py index 394971b25c0b..90807b21a6eb 100755 --- a/tools/testing/selftests/drivers/net/hds.py +++ b/tools/testing/selftests/drivers/net/hds.py @@ -2,17 +2,54 @@ # SPDX-License-Identifier: GPL-2.0 import errno +import os from lib.py import ksft_run, ksft_exit, ksft_eq, ksft_raises, KsftSkipEx -from lib.py import EthtoolFamily, NlError +from lib.py import CmdExitFailure, EthtoolFamily, NlError from lib.py import NetDrvEnv +from lib.py import defer, ethtool, ip -def get_hds(cfg, netnl) -> None: + +def _get_hds_mode(cfg, netnl) -> str: try: rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) except NlError as e: raise KsftSkipEx('ring-get not supported by device') if 'tcp-data-split' not in rings: raise KsftSkipEx('tcp-data-split not supported by device') + return rings['tcp-data-split'] + + +def _xdp_onoff(cfg): + test_dir = os.path.dirname(os.path.realpath(__file__)) + prog = test_dir + "/../../net/lib/xdp_dummy.bpf.o" + ip(f"link set dev %s xdp obj %s sec xdp" % + (cfg.ifname, prog)) + ip(f"link set dev %s xdp off" % cfg.ifname) + + +def _ioctl_ringparam_modify(cfg, netnl) -> None: + """ + Helper for performing a hopefully unimportant IOCTL SET. + IOCTL does not support HDS, so it should not affect the HDS config. + """ + try: + rings = netnl.rings_get({'header': {'dev-index': cfg.ifindex}}) + except NlError as e: + raise KsftSkipEx('ring-get not supported by device') + + if 'tx' not in rings: + raise KsftSkipEx('setting Tx ring size not supported') + + try: + ethtool(f"--disable-netlink -G {cfg.ifname} tx {rings['tx'] // 2}") + except CmdExitFailure as e: + ethtool(f"--disable-netlink -G {cfg.ifname} tx {rings['tx'] * 2}") + defer(ethtool, f"-G {cfg.ifname} tx {rings['tx']}") + + +def get_hds(cfg, netnl) -> None: + _get_hds_mode(cfg, netnl) + def get_hds_thresh(cfg, netnl) -> None: try: @@ -104,6 +141,103 @@ from lib.py import NetDrvEnv netnl.rings_set({'header': {'dev-index': cfg.ifindex}, 'hds-thresh': hds_gt}) ksft_eq(e.exception.nl_msg.error, -errno.EINVAL) + +def set_xdp(cfg, netnl) -> None: + """ + Enable single-buffer XDP on the device. + When HDS is in "auto" / UNKNOWN mode, XDP installation should work. + """ + mode = _get_hds_mode(cfg, netnl) + if mode == 'enabled': + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'unknown'}) + + _xdp_onoff(cfg) + + +def enabled_set_xdp(cfg, netnl) -> None: + """ + Enable single-buffer XDP on the device. + When HDS is in "enabled" mode, XDP installation should not work. + """ + _get_hds_mode(cfg, netnl) + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'enabled'}) + + defer(netnl.rings_set, {'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'unknown'}) + + with ksft_raises(CmdExitFailure) as e: + _xdp_onoff(cfg) + + +def set_xdp(cfg, netnl) -> None: + """ + Enable single-buffer XDP on the device. + When HDS is in "auto" / UNKNOWN mode, XDP installation should work. + """ + mode = _get_hds_mode(cfg, netnl) + if mode == 'enabled': + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'unknown'}) + + _xdp_onoff(cfg) + + +def enabled_set_xdp(cfg, netnl) -> None: + """ + Enable single-buffer XDP on the device. + When HDS is in "enabled" mode, XDP installation should not work. + """ + _get_hds_mode(cfg, netnl) # Trigger skip if not supported + + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'enabled'}) + defer(netnl.rings_set, {'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'unknown'}) + + with ksft_raises(CmdExitFailure) as e: + _xdp_onoff(cfg) + + +def ioctl(cfg, netnl) -> None: + mode1 = _get_hds_mode(cfg, netnl) + _ioctl_ringparam_modify(cfg, netnl) + mode2 = _get_hds_mode(cfg, netnl) + + ksft_eq(mode1, mode2) + + +def ioctl_set_xdp(cfg, netnl) -> None: + """ + Like set_xdp(), but we perturb the settings via the legacy ioctl. + """ + mode = _get_hds_mode(cfg, netnl) + if mode == 'enabled': + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'unknown'}) + + _ioctl_ringparam_modify(cfg, netnl) + + _xdp_onoff(cfg) + + +def ioctl_enabled_set_xdp(cfg, netnl) -> None: + """ + Enable single-buffer XDP on the device. + When HDS is in "enabled" mode, XDP installation should not work. + """ + _get_hds_mode(cfg, netnl) # Trigger skip if not supported + + netnl.rings_set({'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'enabled'}) + defer(netnl.rings_set, {'header': {'dev-index': cfg.ifindex}, + 'tcp-data-split': 'unknown'}) + + with ksft_raises(CmdExitFailure) as e: + _xdp_onoff(cfg) + + def main() -> None: with NetDrvEnv(__file__, queue_count=3) as cfg: ksft_run([get_hds, @@ -112,7 +246,12 @@ from lib.py import NetDrvEnv set_hds_enable, set_hds_thresh_zero, set_hds_thresh_max, - set_hds_thresh_gt], + set_hds_thresh_gt, + set_xdp, + enabled_set_xdp, + ioctl, + ioctl_set_xdp, + ioctl_enabled_set_xdp], args=(cfg, EthtoolFamily())) ksft_exit() -- 2.48.1

4 months, 1 week

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[PATCH] selftests/mount: Close 'fd' when write fails

by ritvikfoss＠gmail.com

From: Ritvik Gupta <ritvikfoss(a)gmail.com> 1. Close the file descriptor when write fails. 2. Introduce 'close_or_die' helper function to reduce repetition. Signed-off-by: Ritvik Gupta <ritvikfoss(a)gmail.com> --- .../selftests/mount/unprivileged-remount-test.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/tools/testing/selftests/mount/unprivileged-remount-test.c b/tools/testing/selftests/mount/unprivileged-remount-test.c index d2917054fe3a..3dd9df58725b 100644 --- a/tools/testing/selftests/mount/unprivileged-remount-test.c +++ b/tools/testing/selftests/mount/unprivileged-remount-test.c @@ -54,6 +54,13 @@ static void die(char *fmt, ...) exit(EXIT_FAILURE); } +static void close_or_die(char *filename, int fd) { + if (close(fd) != 0) { + die("close of %s failed: %s\n", + filename, strerror(errno)); + } +} + static void vmaybe_write_file(bool enoent_ok, char *filename, char *fmt, va_list ap) { char buf[4096]; @@ -79,6 +86,7 @@ static void vmaybe_write_file(bool enoent_ok, char *filename, char *fmt, va_list } written = write(fd, buf, buf_len); if (written != buf_len) { + close_or_die(filename, fd); if (written >= 0) { die("short write to %s\n", filename); } else { @@ -86,10 +94,7 @@ static void vmaybe_write_file(bool enoent_ok, char *filename, char *fmt, va_list filename, strerror(errno)); } } - if (close(fd) != 0) { - die("close of %s failed: %s\n", - filename, strerror(errno)); - } + close_or_die(filename, fd); } static void maybe_write_file(char *filename, char *fmt, ...) -- 2.48.1

4 months, 1 week

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[PATCH] selftets: lib: remove reference to prime_numbers

by Tamir Duberstein

Remove a leftover shell script reference from commit 313b38a6ecb4 ("lib/prime_numbers: convert self-test to KUnit"). Reported-by: kernel test robot <oliver.sang(a)intel.com> Closes: https://lore.kernel.org/oe-lkp/202502171110.708d965a-lkp@intel.com Fixes: 313b38a6ecb4 ("lib/prime_numbers: convert self-test to KUnit") Signed-off-by: Tamir Duberstein <tamird(a)gmail.com> --- tools/testing/selftests/lib/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/lib/Makefile b/tools/testing/selftests/lib/Makefile index c52fe3ad8e98..66dcbe2e39fa 100644 --- a/tools/testing/selftests/lib/Makefile +++ b/tools/testing/selftests/lib/Makefile @@ -4,5 +4,5 @@ # No binaries, but make sure arg-less "make" doesn't trigger "run_tests" all: -TEST_PROGS := printf.sh bitmap.sh prime_numbers.sh scanf.sh +TEST_PROGS := printf.sh bitmap.sh scanf.sh include ../lib.mk --- base-commit: 0ae0fa3bf0b44c8611d114a9f69985bf451010c3 change-id: 20250217-fix-prime-numbers-f5202155b226 Best regards, -- Tamir Duberstein <tamird(a)gmail.com>

4 months, 1 week

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[PATCH] selftests/mount: Explicitly define buffer size

by ritvikfoss＠gmail.com

From: Ritvik Gupta <ritvikfoss(a)gmail.com> Define macro ('MAX_BUF_SIZE') for buffer size instead of hardcoded value '4096', to improve readability. Signed-off-by: Ritvik Gupta <ritvikfoss(a)gmail.com> --- tools/testing/selftests/mount/unprivileged-remount-test.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/mount/unprivileged-remount-test.c b/tools/testing/selftests/mount/unprivileged-remount-test.c index d2917054fe3a..67a550b7c69b 100644 --- a/tools/testing/selftests/mount/unprivileged-remount-test.c +++ b/tools/testing/selftests/mount/unprivileged-remount-test.c @@ -45,6 +45,8 @@ # define MS_STRICTATIME (1 << 24) #endif +#define MAX_BUF_SIZE 4096 + static void die(char *fmt, ...) { va_list ap; @@ -56,7 +58,7 @@ static void die(char *fmt, ...) static void vmaybe_write_file(bool enoent_ok, char *filename, char *fmt, va_list ap) { - char buf[4096]; + char buf[MAX_BUF_SIZE]; int fd; ssize_t written; int buf_len; -- 2.48.1

4 months, 1 week

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