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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-24 08:46:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-24 08:46:03 -0700
commitcf9610f9116d55c5a66ef9f1faecacabd93a9322 (patch)
tree757a3d280760c654767631cab5ad8af2d86d1848 /tools/testing/selftests/filelock
downloadlinux-stable-cf9610f9116d55c5a66ef9f1faecacabd93a9322.tar.gz
linux-stable-cf9610f9116d55c5a66ef9f1faecacabd93a9322.zip
Merge tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrlgrafted
Pull pin control updates from Linus Walleij: "Core changes: - Use the non-blocking mux_state_try_select() in the generic MUX pin control back-end - Free pin maps on pinctrl_generic_to_map() failure in the core helpers New hardware pin control: - Qualcomm Maili TLMM SoC, PMG1110 PMIC, and Eliza LPASS LPI TLMM SoC (this is for the low power audio, LPASS = Low Power Audio SubSystem portions) - Upboard support on top of the Intel pin controller - Apple T6030 and T6031 support (just compatible strings) - Samsung Exynos 8855 SoC - Mediatek MT6858 SoC - Rockchip RK3308B and RV1106 SoCs - Airoha EN7523 and AN7563 SoCs Improvements: - Qualcomm TLMM GPIOs are unconditionally marked as wakeup capable - Qualcomm improvements on top of the Qualcomm PDC (power domain controller) irqchip improvements from tglx:s tree - Qualcomm IPQ806x and IPQ9650 non-urgent pin grop fixups - The NPCM8xx driver has been put into shape fixing many pin and group definitions - Some non-urgent Tegra 264 pin assignments are fixed up - Some non-urgent fixups to Airoha AN7581 and AN7583 registers and pin assignments, missing features etc" * tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (130 commits) dt-bindings: pinctrl: Convert TI DA850 pupd to DT schema pinctrl: meson: sync some modify from A4 pinctrl: meson: a4: Add input enable pin configuration pinctrl: realtek: rtd1625: remove unused group name spdif_sel pinctrl: realtek: rtd1625: fix base_bit for VE4 GPIO 13 dt-bindings: pinctrl: microchip,pic32mzda-pinctrl: Convert to DT schema Revert "Merge branch 'ib-rsk7204' into devel" pinctrl: rockchip: Add RV1106 pinctrl support dt-bindings: pinctrl: rockchip: Add RV1106 compatible pinctrl: rockchip: Decode drive strength in the get function pinctrl: fix PINCTRL_GENERIC_MUX not always being selectable pinctrl: airoha: add support of an7563 SoC dt-bindings: pinctrl: airoha: add support of an7563 pin controller pinctrl: airoha: try to find chip scu node by phandle first pinctrl: airoha: add support of en7523 SoC dt-bindings: pinctrl: airoha: add support of en7523 pin controller pinctrl: airoha: an7583: add support for olt pinmux pinctrl: airoha: an7583: add support for pon_alt pinmux pinctrl: airoha: an7583: add support for npu_uart pinmux dt-bindings: pinctrl: airoha: an7583: add missed features ...
Diffstat (limited to 'tools/testing/selftests/filelock')
-rw-r--r--tools/testing/selftests/filelock/.gitignore1
-rw-r--r--tools/testing/selftests/filelock/Makefile5
-rw-r--r--tools/testing/selftests/filelock/ofdlocks.c120
3 files changed, 126 insertions, 0 deletions
diff --git a/tools/testing/selftests/filelock/.gitignore b/tools/testing/selftests/filelock/.gitignore
new file mode 100644
index 000000000..825e899a1
--- /dev/null
+++ b/tools/testing/selftests/filelock/.gitignore
@@ -0,0 +1 @@
+ofdlocks
diff --git a/tools/testing/selftests/filelock/Makefile b/tools/testing/selftests/filelock/Makefile
new file mode 100644
index 000000000..478e82f8b
--- /dev/null
+++ b/tools/testing/selftests/filelock/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0
+
+TEST_GEN_PROGS := ofdlocks
+
+include ../lib.mk
diff --git a/tools/testing/selftests/filelock/ofdlocks.c b/tools/testing/selftests/filelock/ofdlocks.c
new file mode 100644
index 000000000..68bac28b2
--- /dev/null
+++ b/tools/testing/selftests/filelock/ofdlocks.c
@@ -0,0 +1,120 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#define _GNU_SOURCE
+#include <fcntl.h>
+#include <assert.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include "kselftest.h"
+
+static int lock_set(int fd, struct flock *fl)
+{
+ int ret;
+
+ fl->l_pid = 0; // needed for OFD locks
+ fl->l_whence = SEEK_SET;
+ ret = fcntl(fd, F_OFD_SETLK, fl);
+ if (ret)
+ ksft_perror("fcntl()");
+ return ret;
+}
+
+static int lock_get(int fd, struct flock *fl)
+{
+ int ret;
+
+ fl->l_pid = 0; // needed for OFD locks
+ fl->l_whence = SEEK_SET;
+ ret = fcntl(fd, F_OFD_GETLK, fl);
+ if (ret)
+ ksft_perror("fcntl()");
+ return ret;
+}
+
+int main(void)
+{
+ int rc;
+ struct flock fl, fl2;
+ int fd = open("/tmp/aa", O_RDWR | O_CREAT | O_EXCL, 0600);
+ int fd2 = open("/tmp/aa", O_RDONLY);
+
+ ksft_print_header();
+ ksft_set_plan(4);
+
+ unlink("/tmp/aa");
+ assert(fd != -1);
+ assert(fd2 != -1);
+ ksft_print_msg("opened fds %i %i\n", fd, fd2);
+
+ /* Set some read lock */
+ fl.l_type = F_RDLCK;
+ fl.l_start = 5;
+ fl.l_len = 3;
+ rc = lock_set(fd, &fl);
+ ksft_test_result(rc == 0, "set OFD read lock on first fd\n");
+ if (rc != 0)
+ ksft_finished();
+
+ /* Make sure read locks do not conflict on different fds. */
+ fl.l_type = F_RDLCK;
+ fl.l_start = 5;
+ fl.l_len = 1;
+ rc = lock_get(fd2, &fl);
+ if (rc != 0)
+ ksft_finished();
+ if (fl.l_type != F_UNLCK)
+ ksft_exit_fail_msg("read locks conflicted\n");
+
+ /* Make sure read/write locks do conflict on different fds. */
+ fl.l_type = F_WRLCK;
+ fl.l_start = 5;
+ fl.l_len = 1;
+ rc = lock_get(fd2, &fl);
+ if (rc != 0)
+ ksft_finished();
+ ksft_test_result(fl.l_type != F_UNLCK,
+ "read and write locks conflicted\n");
+ if (fl.l_type == F_UNLCK)
+ ksft_finished();
+
+ /* Get info about the lock on first fd. */
+ fl.l_type = F_UNLCK;
+ fl.l_start = 5;
+ fl.l_len = 1;
+ rc = lock_get(fd, &fl);
+ if (rc != 0)
+ ksft_exit_fail_msg("F_OFD_GETLK with F_UNLCK not supported\n");
+ ksft_test_result(fl.l_type != F_UNLCK,
+ "F_OFD_GETLK with F_UNLCK returned lock info\n");
+ if (fl.l_type == F_UNLCK)
+ ksft_exit_fail();
+ ksft_print_msg("F_UNLCK test returns: locked, type %i pid %i len %zi\n",
+ fl.l_type, fl.l_pid, fl.l_len);
+
+ /* Try the same but by locking everything by len==0. */
+ fl2.l_type = F_UNLCK;
+ fl2.l_start = 0;
+ fl2.l_len = 0;
+ rc = lock_get(fd, &fl2);
+ if (rc != 0)
+ ksft_exit_fail_msg
+ ("F_OFD_GETLK with F_UNLCK not supported\n");
+ ksft_test_result(memcmp(&fl, &fl2, sizeof(fl)) == 0,
+ "F_UNLCK with len==0 returned the same\n");
+ if (memcmp(&fl, &fl2, sizeof(fl))) {
+ ksft_exit_fail_msg
+ ("F_UNLCK test returns: locked, type %i pid %i len %zi\n",
+ fl.l_type, fl.l_pid, fl.l_len);
+ }
+
+ /* Get info about the lock on second fd - no locks on it. */
+ fl.l_type = F_UNLCK;
+ fl.l_start = 0;
+ fl.l_len = 0;
+ lock_get(fd2, &fl);
+ ksft_test_result(fl.l_type == F_UNLCK,
+ "F_OFD_GETLK with F_UNLCK return lock info from another fd\n");
+
+ ksft_finished();
+}