On Mer, 2005-01-26 at 22:10, Benjamin Herrenschmidt wrote:
On Wed, 2005-01-26 at 10:34 -0600, Brian King wrote: Well, I honestly think that this is unnecessary burden. I think that just dropping writes & returning data from the cache on reads is enough, blocking userspace isn't necessary, but then, I may be wrong ;)
Providing the BARs, cmd register and bridge VGA_EN are cached then I think you are right.
The first 64 bytes of config space are cached, so this should handle the registers you mention above.
-- Brian King eServer Storage I/O IBM Linux Technology Center - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/