Mitch Williams wrote: > This patch fixes a kernel bug which is triggered when using the > irqbalance daemon with MSI-X hardware. > > Because both MSI-X interrupt messages and MSI-X table writes are posted, > it's possible for them to cross while in-flight. This results in > interrupts being received long after the kernel thinks they're disabled, > and in interrupts being sent to stale vectors after rebalancing. > > This patch performs a read flush after writes to the MSI-X table for > mask/unmask and rebalancing operations. > > This patch has been validated with (unreleased) network hardware which > uses MSI-X. > > Revised with input from Eric Biederman. > > Signed-off-by: Mitch Williams <[EMAIL PROTECTED]> >
Are you going to post one for 2.6.20 as well? Some people might be interested... - 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/
