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Re: [PATCH] mt76: usb: grab rx_page_lock for legacy mode in mt76u_refill_rx

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On Thu, Feb 28, 2019 at 12:37:48PM +0100, Lorenzo Bianconi wrote:
> > On Thu, Feb 28, 2019 at 12:08:45PM +0100, Lorenzo Bianconi wrote:
> > > Grab rx_page_lock in mt76u_refill_rx allocating rx buffer for 'legacy'
> > > mode. Remove gfp from mt76u_refill_rx signature since we need to
> > > use GFP_ATOMIC
> > > 
> > > Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
> > 
> > I'm doing some cleanup/optimization work which amongs other things
> > will remove rx_page_lock. Please drop this patch.
> 
> Oh, ok. IIRC we need rx_page_lock to fix this:
> 481bb0432414f790066205fe77226b7d1877385d. Is it still necessary?
> Moreover maybe we need this patch for 5.1 since net-next is almost close, no?

It is not neccessery now in -next after removing concurrent access to
mt76u_buf_alloc(), can be removed.

Stanislaw



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