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| author | Peter Zijlstra <peterz@infradead.org> | 2025-11-21 11:21:20 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-11-21 11:21:20 +0100 |
| commit | 2ace52718376fdb56aca863da2eebe70d7e2ddb1 (patch) | |
| tree | 494517cf79608fa93840a3c84ee5e6118da5f26f /include/linux/serial_core.h | |
| parent | a53d0cf7f1cb3182ad533ff5cacfa5fd29c419ad (diff) | |
| parent | 11991999a20145b7f8af21202d0cac6b1f90a6e4 (diff) | |
Merge branch 'objtool/core'
Bring in the UDB and objtool data annotations to avoid conflicts while further extending the bug exceptions.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'include/linux/serial_core.h')
| -rw-r--r-- | include/linux/serial_core.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 84b4648ead7e..666430b47899 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -788,6 +788,19 @@ static inline void uart_port_unlock_irqrestore(struct uart_port *up, unsigned lo spin_unlock_irqrestore(&up->lock, flags); } +DEFINE_GUARD(uart_port_lock, struct uart_port *, uart_port_lock(_T), uart_port_unlock(_T)); +DEFINE_GUARD_COND(uart_port_lock, _try, uart_port_trylock(_T)); + +DEFINE_GUARD(uart_port_lock_irq, struct uart_port *, uart_port_lock_irq(_T), + uart_port_unlock_irq(_T)); + +DEFINE_LOCK_GUARD_1(uart_port_lock_irqsave, struct uart_port, + uart_port_lock_irqsave(_T->lock, &_T->flags), + uart_port_unlock_irqrestore(_T->lock, _T->flags), + unsigned long flags); +DEFINE_LOCK_GUARD_1_COND(uart_port_lock_irqsave, _try, + uart_port_trylock_irqsave(_T->lock, &_T->flags)); + static inline int serial_port_in(struct uart_port *up, int offset) { return up->serial_in(up, offset); |