Re: 2.6.9 chrdev_open: serial_core: uart_open

[Russell King]

On Thu, Jul 14, 2005 at 04:50:00PM -0700, karl malbrain wrote:
> chrdev_open issues a lock_kernel() before calling uart_open.
> 
> It would appear that servicing the blocking open request uart_open goes to
> sleep with the kernel locked.  Would this shut down subsequent access to
> opening "/dev/tty"???

No.  lock_kernel() is automatically released when a process sleeps.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core
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