Re: [PATCH] staging: axis-fifo: minimize lock duration in write

[Greg Kroah-Hartman]

On Sun, Mar 01, 2026 at 12:58:36AM +0000, Josh Law wrote:
> Memory allocation and copy from user space with vmemdup_user() is relatively slow and can sleep. Move it outside the lock to minimize the time the mutex is held, reducing contention for concurrent accesses.

Something happened with your line wrapping :(

And are you sure that your change works?  What is wrong with grabbing
the lock this way?

thanks,

greg k-h