On Wed, Oct 10, 2012 at 8:20 PM, Oliver Neukum <oliver@xxxxxxxxxx> wrote: > For mice with card readers the HID driver can deadlock > as its post_reset() method allocates memory. GFP_NOIO > must be used in a block layer error handler, which > usbhid can be indirectly part of. IMO, this kind of "fix" should be discussed further, because in theory we can't avoid all GFP_KERNEL allocation in both device reset path and runtime resume path, which may call other kernel component APIs with GFP_KERNEL allocation. So hope to figure out one generic enough solution. Thanks, -- Ming Lei -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
