Re: smp_affinity, MSI-X and 2.6.21.1

2007-05-15 Thread Rick Jones
Andi Kleen wrote: 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. This patch should fix it.

Re: smp_affinity, MSI-X and 2.6.21.1

2007-05-09 Thread Andi Kleen
> 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. This patch should fix it. -Andi Repo

Re: smp_affinity, MSI-X and 2.6.21.1

2007-05-09 Thread David Miller
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 /pro

Re: smp_affinity, MSI-X and 2.6.21.1

2007-05-09 Thread Andi Kleen
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 o

Re: smp_affinity, MSI-X and 2.6.21.1

2007-05-07 Thread Rick Jones
Arjan van de Ven wrote: On Mon, 2007-05-07 at 13:53 -0700, Rick Jones wrote: 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 a

Re: smp_affinity, MSI-X and 2.6.21.1

2007-05-07 Thread Arjan van de Ven
On Mon, 2007-05-07 at 13:53 -0700, Rick Jones wrote: > 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?\ tha

smp_affinity, MSI-X and 2.6.21.1

2007-05-07 Thread Rick Jones
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? rick jones - To unsubscribe from this list: send the line "unsubscri