On 2016-05-27 09:48, Mark Cave-Ayland wrote: > Here is a tidied up version of my patch to convert the macio controller over > to > using the new byte-aligned DMA helpers. > > The first patch is just a hack and temporarily disables unaligned iovec > truncation in the DMA helper (as discussed in the recent thread) until Paolo > or > someone else can devise a proper solution. Without this, the subsequent switch > over to the DMA helpers will appear to work during a Darwin PPC install but > the > resulting image is corrupt and will fail to boot. > > The second patch is the real one and switches the macio controller over to use > the new byte-aligned DMA helpers. Here I see a speed-up of around 2.5x-3x for > a typical Darwin PPC installation compared to the previous code. > > Aurelien, I'd be grateful if you could test the TRIM path as I know this is > something you've had issues with before and I couldn't quite figure out how to > reproduce your TRIM tests from before.
I have just tested the TRIM path, all works fine with your 2 patches applied. Aurelien -- Aurelien Jarno GPG: 4096R/1DDD8C9B aurel...@aurel32.net http://www.aurel32.net
