On Thu, 27 May 2021, Mathias Nyman wrote: > On 26.5.2021 18.28, Lee Jones wrote: > > On Wed, 26 May 2021, Sergei Shtylyov wrote: > > > >> On 5/26/21 5:44 PM, Lee Jones wrote: > >> > >> [...] > >>>>> Fixes the following W=1 kernel build warning(s): > >>>>> > >>>>> drivers/usb/host/xhci.c: In function ‘xhci_reserve_bandwidth’: > >>>>> drivers/usb/host/xhci.c:2859:1: warning: the frame size of 1032 bytes is larger than 1024 bytes [-Wframe-larger-than=] > >>>>> > >>>>> Cc: Mathias Nyman <mathias.nyman@xxxxxxxxx> > >>>>> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > >>>>> Cc: linux-usb@xxxxxxxxxxxxxxx > >>>>> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx> > >>>>> --- > >>>>> drivers/usb/host/xhci.c | 8 +++++++- > >>>>> 1 file changed, 7 insertions(+), 1 deletion(-) > >>>>> > >>>>> diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c > >>>>> index ac2a7d4288883..40ce4b4eb12ad 100644 > >>>>> --- a/drivers/usb/host/xhci.c > >>>>> +++ b/drivers/usb/host/xhci.c > >>>> [...] > >>>>> @@ -2788,6 +2788,10 @@ static int xhci_reserve_bandwidth(struct xhci_hcd *xhci, > >>>>> return -ENOMEM; > >>>>> } > >>>>> > >>>>> + ep_bw_info = kzalloc(sizeof(*ep_bw_info) * 31, GFP_KERNEL); > > GFP_KERNEL might not be suitable for all cases. > > xhci_reserve_bandwidth() is called from xhci_configure_endpoint(), which again > is called from a lot of places. > For example from xhci_update_hub_device() which can be called with GFP_NOIO mem_flags. What do you suggest as an alternative? -- Lee Jones [李琼斯] Senior Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog
