On Mon, Jan 7, 2013 at 7:50 PM, Yinghai Lu <ying...@kernel.org> wrote: > On Mon, Jan 7, 2013 at 7:13 PM, Eric W. Biederman <ebied...@xmission.com> > wrote: >> I meant we should detect failure to allocate bounce buffers in in >> swiotlb_init() instead of panicing. >> >> I meant swiotlb_map_single() should either panic or simply fail. >> >> If I have read lib/swiotlb.c correctly the only place we allocate a >> bounce buffer is in swiotlb_map_single. If there are more places we can >> allocate bounce buffers those need to be handled as well. > > ok, will give it a try.
please check if you are ok with attached. looks like it need more change of lines. Thanks Yinghai
alloc_low_page_nopanic.patch
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swiotlb.patch
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