Re: [PATCH 09/12] irq: implement IRQ expecting
From: Jiri Slaby <hidden>
Date: 2010-06-14 09:22:08
Also in:
lkml
From: Jiri Slaby <hidden>
Date: 2010-06-14 09:22:08
Also in:
lkml
On 06/13/2010 05:31 PM, Tejun Heo wrote:
--- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c
...
@@ -25,9 +26,43 @@ enum { /* IRQ polling common parameters */ IRQ_POLL_SLOW_INTV = 3 * HZ, /* not too slow for ppl, slow enough for machine */ IRQ_POLL_INTV = HZ / 100, /* from the good ol' 100HZ tick */ + IRQ_POLL_QUICK_INTV = HZ / 1000, /* pretty quick but not too taxing */ IRQ_POLL_SLOW_SLACK = HZ, IRQ_POLL_SLACK = HZ / 1000, /* 10% slack */ + IRQ_POLL_QUICK_SLACK = HZ / 10000, /* 10% slack */
Hi. These are zeros on most systems (assuming distros set HZ=100 and 250), what is their purpose then? regards, -- js