Hi, On 18/06/2019 10:33:41+0300, Felipe Balbi wrote: > Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> writes: > > > Gadget drivers may queue request in interrupt context. This would lead to > > a descriptor allocation in that context. In that case we would hit > > BUG_ON(in_interrupt()) in __get_vm_area_node. > > > > Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> > > --- > > drivers/usb/gadget/udc/lpc32xx_udc.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c > > index d8f1c60793ed..b706d9c85a35 100644 > > --- a/drivers/usb/gadget/udc/lpc32xx_udc.c > > +++ b/drivers/usb/gadget/udc/lpc32xx_udc.c > > @@ -938,7 +938,7 @@ static struct lpc32xx_usbd_dd_gad *udc_dd_alloc(struct lpc32xx_udc *udc) > > struct lpc32xx_usbd_dd_gad *dd; > > > > dd = (struct lpc32xx_usbd_dd_gad *) dma_pool_alloc( > > - udc->dd_cache, (GFP_KERNEL | GFP_DMA), &dma); > > + udc->dd_cache, (GFP_ATOMIC | GFP_DMA), &dma); > > doesn't apply: > > checking file drivers/usb/gadget/udc/lpc32xx_udc.c > Hunk #1 FAILED at 938. > You already applied it for v5.2-rc5 -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
