fangpeina 11f06eb0f5 drivers/serial: fix deadlock when executing rexec in a user task ...

CPU0                                                  CPU1
task:nsh_main     task:user_app                       rexecd
nsh_consolemain	  system
uart_read         rexec				      ---
got recv.lock     poll			              ---
	          uart_poll       rpmsg_socket_poll   rpmsg_socket_close
wait recvsem      get recv.lock   poll_notify
                  deadlock        routine work

the error accurs in CPU0 when waiting console input

resolve: unlock recv.lock when waiting recvsem

Signed-off-by: fangpeina <fangpeina@xiaomi.com>

2024-09-14 10:27:40 +08:00

..

CMakeLists.txt

drivers/serial:support arm cmsdk drivers

2024-04-26 18:42:35 -03:00

Kconfig

drivers/serial:support arm cmsdk drivers

2024-04-26 18:42:35 -03:00

Kconfig-16550

drivers/serial: Make the 16550 rx trigger level configurable

2024-08-03 10:31:36 +08:00

Kconfig-cmsdk

drivers/serial:support arm cmsdk drivers

2024-04-26 18:42:35 -03:00

Kconfig-lpuart

Add initial support for NXP S32K3 MCU family

2022-07-25 23:47:05 +08:00

Kconfig-pl011

drivers/serial/uart_pl011.c : add the interface about clock and reset control for reducing power consumption.

2024-06-03 21:18:44 +08:00

Kconfig-sci

We have ported NuttX on Renesas RX65N Micro-controller. This port includes following interfaces

2019-10-11 23:36:57 +08:00

Kconfig-uart

drivers/serial/Kconfig: Split serial Rx/Tx DMA.

2019-12-03 07:06:30 -06:00

Kconfig-usart

drivers/serial/Kconfig: Split serial Rx/Tx DMA.

2019-12-03 07:06:30 -06:00

Make.defs

drivers/serial:support arm cmsdk drivers

2024-04-26 18:42:35 -03:00

ptmx.c

pty: use mutex to protect alloc minor

2024-08-25 22:16:53 +08:00

pty.c

nuttx: use sizeof instead of define or number in snprintf

2024-08-25 19:22:15 +08:00

pty.h

Replace nxsem API when used as a lock with nxmutex API

2022-10-17 15:59:46 +09:00

serial_cmsdk.c

drivers/serial:support arm cmsdk drivers

2024-04-26 18:42:35 -03:00

serial_dma.c

drivers/serial: unmodify head and tail pointers

2023-09-19 09:41:07 +08:00

serial_gdbstub.c

serial/gdbstub: Change GDBSTUB_ to GDB_

2024-06-24 23:51:43 +08:00

serial_io.c

tty:support tty c_cc VMIN & VTIME

2023-04-29 13:48:52 +08:00

serial.c

drivers/serial: fix deadlock when executing rexec in a user task

2024-09-14 10:27:40 +08:00

uart_16550.c

serial/uart_16550: remove up_putc spinlock

2024-09-12 18:11:30 +08:00

uart_bth4.c

poll: pollsetup should notify only one fd passd by caller

2023-11-21 09:07:17 +01:00

uart_bth5.c

poll: pollsetup should notify only one fd passd by caller

2023-11-21 09:07:17 +01:00

uart_pl011.c

serial/uart_pl011: default syslog needs to check flow control in up_putc

2024-09-12 17:15:40 +08:00

uart_ram.c

drivers/serial: add ram uart driver

2023-09-19 09:41:07 +08:00

uart_rpmsg.c

fix:uart_rpmsg_dmareceive data copy to nbuffer should start from data + length

2024-08-22 09:23:12 -03:00