On 3/27/2013 2:22 PM, Alexander Motin wrote: > Hi. > > Since FreeBSD 9.0 we are successfully running on the new CAM-based ATA > stack, using only some controller drivers of old ata(4) by having > `options ATA_CAM` enabled in all kernels by default. I have a wish to > drop non-ATA_CAM ata(4) code, unused since that time from the head > branch to allow further ATA code cleanup. > > Does any one here still uses legacy ATA stack (kernel explicitly built > without `options ATA_CAM`) for some reason, for example as workaround > for some regression? Does anybody have good ideas why we should not > drop it now? > Some people have expressed performance concerns about ATA_CAM. I have not validated those concerns. Does anyone know of any?Received on Wed Mar 27 2013 - 21:14:24 UTC
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