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Zync: a universal Zephyr synchronization primitive #48340

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4587595
DO NOT REVIEW - SQUASHED PATCHES FROM #51924
andyross Jul 9, 2022
44ecced
kernel: Add waitq "lazy init", move z_waitq_head()
andyross Jul 2, 2022
b83149a
tests/lib/ringbuffer: Use k_mutex, not sys_mutex
andyross Oct 9, 2022
69486ab
subsys/tracing: Remove obj_tracking for semaphores and mutexes
andyross Nov 1, 2022
a05e2d4
kernel: Clean up DYNAMIC_OBJECTS vs. HEAP_MEM_POOL_SIZE
andyross Nov 6, 2022
2406ef8
tests/sys_mutex: Fix scheduling/priority behavior
andyross Nov 7, 2022
d5814ea
tests/kernel/sys_mutex: Remove noop userspace test
andyross Nov 7, 2022
648a8e1
tests/kernel/sched/metairq: Correct scheduling point behavior
andyross Nov 7, 2022
8ea6928
kernel: Add k_zync, a universal Zephyr synchronization primitive.
andyross Jul 2, 2022
2ddc12a
tests/kernel: Add zync unit test
andyross Jul 9, 2022
2218a8c
tests/kernel/mutex_api: Adjust kobj type for zync
andyross Oct 9, 2022
77ca333
tests/benchmarks/latency_measure: Needs recursive zyncs
andyross Nov 1, 2022
7face79
kernel/sched: Refactor, unready_thread()
andyross Nov 14, 2022
7956e7a
kernel/sched: refactor wake()
andyross Nov 14, 2022
d293aca
kernel/zync: Handle the case of aborted just-awoken threads
andyross Nov 14, 2022
3b715e3
tests/kernel/zync: Add case for abort/recovery
andyross Nov 14, 2022
fccce4f
kernel/zync: Augment k_zync() timeout loop to be optionally stricter
andyross Nov 14, 2022
988f530
tests/kernel/zync: Add a case to exercise strict timeouts
andyross Nov 14, 2022
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2 changes: 2 additions & 0 deletions cmake/linker_script/common/common-ram.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,8 @@ zephyr_iterable_section(NAME k_pipe GROUP DATA_REGION ${XIP_ALIGN_WITH_INPUT} SU
zephyr_iterable_section(NAME k_sem GROUP DATA_REGION ${XIP_ALIGN_WITH_INPUT} SUBALIGN 4)
zephyr_iterable_section(NAME k_queue GROUP DATA_REGION ${XIP_ALIGN_WITH_INPUT} SUBALIGN 4)
zephyr_iterable_section(NAME k_condvar GROUP DATA_REGION ${XIP_ALIGN_WITH_INPUT} SUBALIGN 4)
zephyr_iterable_section(NAME k_zync GROUP DATA_REGION ${XIP_ALIGN_WITH_INPUT} SUBALIGN 4)
zephyr_iterable_section(NAME z_zync_pair GROUP DATA_REGION ${XIP_ALIGN_WITH_INPUT} SUBALIGN 4)

zephyr_linker_section(NAME _net_buf_pool_area GROUP DATA_REGION NOINPUT ${XIP_ALIGN_WITH_INPUT} SUBALIGN 4)
zephyr_linker_section_configure(SECTION _net_buf_pool_area
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2 changes: 1 addition & 1 deletion drivers/bluetooth/hci/hci_b91.c
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Expand Up @@ -19,7 +19,7 @@

#define HCI_BT_B91_TIMEOUT K_MSEC(2000)

static K_SEM_DEFINE(hci_send_sem, 1, 1);
K_SEM_STATIC_DEFINE(hci_send_sem, 1, 1);

static bool is_hci_event_discardable(const uint8_t *evt_data)
{
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2 changes: 1 addition & 1 deletion drivers/bluetooth/hci/hci_esp32.c
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Expand Up @@ -23,7 +23,7 @@

#define HCI_BT_ESP32_TIMEOUT K_MSEC(2000)

static K_SEM_DEFINE(hci_send_sem, 1, 1);
K_SEM_STATIC_DEFINE(hci_send_sem, 1, 1);

static bool is_hci_event_discardable(const uint8_t *evt_data)
{
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8 changes: 4 additions & 4 deletions drivers/bluetooth/hci/ipm_stm32wb.c
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Expand Up @@ -49,10 +49,10 @@ static void sysevt_received(void *pdata);

#define STM32WB_C2_LOCK_TIMEOUT K_MSEC(500)

static K_SEM_DEFINE(c2_started, 0, 1);
static K_SEM_DEFINE(ble_sys_wait_cmd_rsp, 0, 1);
static K_SEM_DEFINE(acl_data_ack, 1, 1);
static K_SEM_DEFINE(ipm_busy, 1, 1);
K_SEM_STATIC_DEFINE(c2_started, 0, 1);
K_SEM_STATIC_DEFINE(ble_sys_wait_cmd_rsp, 0, 1);
K_SEM_STATIC_DEFINE(acl_data_ack, 1, 1);
K_SEM_STATIC_DEFINE(ipm_busy, 1, 1);

struct aci_set_tx_power {
uint8_t cmd;
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2 changes: 1 addition & 1 deletion drivers/bluetooth/hci/rpmsg.c
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Expand Up @@ -27,7 +27,7 @@
#define IPC_BOUND_TIMEOUT_IN_MS K_MSEC(1000)

static struct ipc_ept hci_ept;
static K_SEM_DEFINE(ipc_bound_sem, 0, 1);
K_SEM_STATIC_DEFINE(ipc_bound_sem, 0, 1);

static bool is_hci_event_discardable(const uint8_t *evt_data)
{
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6 changes: 3 additions & 3 deletions drivers/bluetooth/hci/spi.c
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Expand Up @@ -64,9 +64,9 @@ static const struct gpio_dt_spec rst_gpio = GPIO_DT_SPEC_INST_GET(0, reset_gpios

static struct gpio_callback gpio_cb;

static K_SEM_DEFINE(sem_initialised, 0, 1);
static K_SEM_DEFINE(sem_request, 0, 1);
static K_SEM_DEFINE(sem_busy, 1, 1);
K_SEM_STATIC_DEFINE(sem_initialised, 0, 1);
K_SEM_STATIC_DEFINE(sem_request, 0, 1);
K_SEM_STATIC_DEFINE(sem_busy, 1, 1);

static K_KERNEL_STACK_DEFINE(spi_rx_stack, 512);
static struct k_thread spi_rx_thread_data;
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4 changes: 2 additions & 2 deletions drivers/ec_host_cmd_periph/ec_host_cmd_simulator.c
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Expand Up @@ -21,8 +21,8 @@ static uint8_t rx_buffer[256];
static size_t rx_buffer_len;

/* Allow writing to rx buff at startup and block on reading. */
static K_SEM_DEFINE(handler_owns, 0, 1);
static K_SEM_DEFINE(dev_owns, 1, 1);
K_SEM_STATIC_DEFINE(handler_owns, 0, 1);
K_SEM_STATIC_DEFINE(dev_owns, 1, 1);

static ec_host_cmd_periph_api_send tx;

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6 changes: 3 additions & 3 deletions drivers/modem/hl7800.c
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Expand Up @@ -349,9 +349,9 @@ NET_BUF_POOL_DEFINE(mdm_recv_pool, CONFIG_MODEM_HL7800_RECV_BUF_CNT,

static uint8_t mdm_recv_buf[MDM_MAX_DATA_LENGTH];

static K_SEM_DEFINE(hl7800_RX_lock_sem, 1, 1);
static K_SEM_DEFINE(hl7800_TX_lock_sem, 1, 1);
static K_MUTEX_DEFINE(cb_lock);
K_SEM_STATIC_DEFINE(hl7800_RX_lock_sem, 1, 1);
K_SEM_STATIC_DEFINE(hl7800_TX_lock_sem, 1, 1);
K_MUTEX_STATIC_DEFINE(cb_lock);

/* RX thread structures */
K_THREAD_STACK_DEFINE(hl7800_rx_stack, CONFIG_MODEM_HL7800_RX_STACK_SIZE);
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2 changes: 1 addition & 1 deletion drivers/net/ppp.c
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Expand Up @@ -109,7 +109,7 @@ static bool rx_retry_pending;
static bool uart_recovery_pending;
static uint8_t *next_buf;

static K_SEM_DEFINE(uarte_tx_finished, 0, 1);
K_SEM_STATIC_DEFINE(uarte_tx_finished, 0, 1);

static void uart_callback(const struct device *dev,
struct uart_event *evt,
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2 changes: 1 addition & 1 deletion drivers/wifi/simplelink/simplelink.c
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Expand Up @@ -40,7 +40,7 @@ struct simplelink_data {
};

static struct simplelink_data simplelink_data;
static K_SEM_DEFINE(ip_acquired, 0, 1);
K_SEM_STATIC_DEFINE(ip_acquired, 0, 1);

/* Handle connection events from the SimpleLink Event Handlers: */
static void simplelink_wifi_cb(uint32_t event, struct sl_connect_state *conn)
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