On Tue, Sep 29, 2015 at 02:44:02AM +0200, Greg KH wrote: > On Mon, Sep 28, 2015 at 11:43:55PM +0530, Chandra S Gorentla wrote: > > - The message queue is replaced with standard Linux linked list > > - kmem_cache is used for list members > > Why? The list entires are of fixed type and repeatedly allocated and deallocated for messages. > > > - A check for return value of receive method is added > > - GFP_ATOMIC is changed to GFP_KERNEL > > Why? Are you sure that is safe? The allocations are moved out of 'spin_lock_irqsave' and 'spin_unlock_irqrestore'. Hence they are safe. > > > - A few other related minor changes > > Be specific please. OK. I will try to send seperate patches. > > thanks, > > greg k-h
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