From: Andi Kleen <[EMAIL PROTECTED]> Date: 09 May 2007 12:35:29 +0200
> Rick Jones <[EMAIL PROTECTED]> writes: > > > Folks - > > > > Is it a bug, or a feature that after changing a device's smp_affinity > > via echo "N" >> /proc/irq/M/smp_affinity that the new mask isn't > > visible via cat /proc/irq/M/smp_affinity until after actual interrupts > > are taken? > > Intel chipsets can only safely update affinity during interrupt processing. > You see a side effect of the code implementing this restriction. That's true, but we are talking about software state so in some sense it might be better that the affinity-to-be is reported to the user in this case. Delayed register updates are an implementation detail the user does not need to know about here. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
