RE: [PATCH 4/5] I/OAT: Tighten descriptor setup performance

2007-10-17 Thread Nelson, Shannon
>-Original Message- >From: Andrew Morton [mailto:[EMAIL PROTECTED] > >On Wed, 17 Oct 2007 17:14:33 -0700 >Shannon Nelson <[EMAIL PROTECTED]> wrote: > >> The change to the async_tx interface cost this driver some >performance by >> spreading the descriptor setup across several functions,

Re: [PATCH 4/5] I/OAT: Tighten descriptor setup performance

2007-10-17 Thread Andrew Morton
On Wed, 17 Oct 2007 17:14:33 -0700 Shannon Nelson <[EMAIL PROTECTED]> wrote: > The change to the async_tx interface cost this driver some performance by > spreading the descriptor setup across several functions, including multiple > passes over the new descriptor chain. Here we bring the work bac