Messages in this thread | | | Date | Mon, 8 Apr 2002 23:01:17 -0700 (PDT) | From | Andre Hedrick <> | Subject | Re: Reworked CONFIG_IDE_TASKFILE_IO help text |
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On Mon, 8 Apr 2002, Thomas Zimmerman wrote:
> On 04-Apr 09:50, Adrian Bunk wrote: > > Hi Marcelo, > > > > Configure.help contains the help text below that sounds more like a > > comment to a patch than a helpful help message for a user of a stable > > kernel: > > > > +CONFIG_IDE_TASKFILE_IO > > + This is the "Jewel" of the patch. It will go away and become the new > > + driver core. Since all the chipsets/host side hardware deal w/ their > > + exceptions in "their local code" currently, adoption of a > > + standardized data-transport is the only logical solution. > > + Additionally we packetize the requests and gain rapid performance and > > + a reduction in system latency. Additionally by using a memory struct > > + for the commands we can redirect to a MMIO host hardware in the next > > + generation of controllers, specifically second generation Ultra133 > > + and Serial ATA. > > + > > + Since this is a major transition, it was deemed necessary to make the > > + driver paths buildable in separtate models. Therefore if using this > > + option fails for your arch then we need to address the needs for that > > + arch. > > + > > + If you want to test this functionality, say Y here. > > > > Could anyone provide a more useful help text? > > Maybe this is better? > > CONFIG_IDE_TASKFILE_IO > This option enables a new standardized data-transport driver. It replaces > code currently in each chipset/host driver. This should help reduce > bugs and allow better data protection. This new code also packetizes > requests to enable rapid performance and reduce system latency. It also uses > structures so MMIO hardware can be used in second generation Ultra133 and > Serial ATA chipsets. > > Since this a a major reworking of current code, this will live along side > current drivers for now. If this doesn't work on your arch yell. > > If you want to test this new driver (and have backups), say Y here.
Actually, truth be known ... when I finish the transport layer you will have a clean error recovery path in the driver. More details soon, but do not enable until you have ide-taskfile v0.31 or higher.
Cheers,
Andre Hedrick LAD Storage Consulting Group
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