On Wed, Jan 9, 2013 at 5:24 AM, Konrad Rzeszutek Wilk <[email protected]> wrote: > On Tue, Jan 08, 2013 at 05:12:02PM -0800, Yinghai Lu wrote: >> On Tue, Jan 8, 2013 at 5:07 PM, Yinghai Lu <[email protected]> wrote: >> > On Tue, Jan 8, 2013 at 4:58 PM, Eric W. Biederman <[email protected]> >> > wrote: >> > >> >> >> >> So instead we need to say? >> >> >> >> + if (no_iotlb_memory) >> >> + panic("Cannot allocate SWIOTLB buffer"); >> >> + >> >> >> >> Which is just making the panic a little later than it used to be and >> >> seems completely reasonable. >> > >> > yes, looks some driver just use map_single without checking results. >> >> update one. > > Please make it inline. >
please check updated attached. It should address all your request. Thanks Yinghai
swiotlb.patch
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