Messages in this thread | | | Subject | Re: Regarding tx-nocache-copy in the Sheevaplug | From | Eric Dumazet <> | Date | Thu, 16 Oct 2014 10:48:25 -0700 |
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On Thu, 2014-10-16 at 10:34 -0700, Benjamin Poirier wrote: > On 2014/10/15 15:45, Eric Dumazet wrote:
> > kmap_atomic()/kunmap_atomic() is missing, so we lack > > __cpuc_flush_dcache_area() operations. > > > > You lost me there. > 1) I don't see the link > 2) It seems kmap_atomic and so on are there: > $ grep kmap_atomic System.map-3.16-2-kirkwood > c0014838 T kmap_atomic > c001491c T kmap_atomic_pfn > c00149a4 T kmap_atomic_to_page > > MACH_KIRKWOOD selects CPU_FEROCEON which has > __cpuc_flush_dcache_area -> > cpu_cache.flush_kern_dcache_area -> > feroceon_flush_kern_dcache_area
I meant to put a '?' instead of a '.'
Note that tcp does a copy, using :
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