Messages in this thread |  | | Date | Tue, 8 Jan 2013 17:12:02 -0800 | Subject | Re: [PATCH v7u1 26/31] x86: Don't enable swiotlb if there is not enough ram for it | From | Yinghai Lu <> |
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On Tue, Jan 8, 2013 at 5:07 PM, Yinghai Lu <yinghai@kernel.org> wrote: > On Tue, Jan 8, 2013 at 4:58 PM, Eric W. Biederman <ebiederm@xmission.com> 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.
later could have another patch to shrink size... [unhandled content-type:application/octet-stream] |  |