Messages in this thread | | | Date | Wed, 05 Mar 2008 07:49:03 -0500 | From | Jeff Garzik <> | Subject | Re: [PATCH RFC] ahci: fix SB600 h/w errata issue |
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Jeff Garzik wrote: > I haven't seen anyone work on the recent SB600 errata, where the > hardware does not like 256-length PRD entries. > > Is this correct, AMD folks? > > It hurts performance on SB600, but it is more important to get a > correct patch eliminating the data corruption/lockups, and then later > on tune for performance. > > We simply limit each command to a maximum of 255 sectors, on SB600. > > Signed-off-by: Jeff Garzik <jgarzik@redhat.com> > --- > drivers/ata/ahci.c | 14 +++++++++++++- > 1 file changed, 13 insertions(+), 1 deletion(-)
Based on Henry's response, I'm going to assume AMD approves of this patch...
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