From: Michael Ellerman <[EMAIL PROTECTED]> Date: Fri, 25 May 2007 15:14:10 +1000
> On Thu, 2007-05-24 at 22:19 -0600, Eric W. Biederman wrote: > > Currently we blacklist known bad msi configurations which means we > > keep getting MSI enabled on chipsets that either do not support MSI, > > or MSI is implemented improperly. Since the normal IRQ routing > > mechanism seems to works even when MSI does not, this is a bad default > > and causes non-functioning systems for no good reason. > > > > So this patch inverts the sense of the MSI bus flag to only enable > > MSI on known good systems. I am seeding that list with the set of > > chipsets with an enabled hypertransport MSI mapping capability. Which > > is as close as I can come to an generic MSI enable. So for actually > > using MSI this patch is a regression, but for just having MSI enabled > > in the kernel by default things should just work with this patch > > applied. > > I guess this is a good idea for random x86 machines. On powerpc I think > we'll just turn it on for every bus, and let the existing per-platform > logic decide. I think I'll turn it on always on sparc64. - 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/
