i'm sure there's a simple answer to this, but what's the value in
calling mod_timer() to reset a timer to expire at the current value of
jiffies?
$ grep -rw "mod_timer.*jiffies)" *
arch/x86/kernel/pci-calgary_64.c: mod_timer(&tbl->watchdog_timer, jiffies);
drivers/net/arm/am79c961a.c: mod_timer(&priv->timer, jiffies);
drivers/net/e1000e/ethtool.c: mod_timer(&adapter->blink_timer, jiffies);
drivers/net/atl1/atl1_main.c: mod_timer(&adapter->watchdog_timer, jiffies);
drivers/net/sk98lin/skethtool.c: mod_timer(&pAC->BlinkTimer, jiffies);
drivers/net/e1000/e1000_ethtool.c: mod_timer(&adapter->blink_timer, jiffies);
drivers/net/e1000/e1000_ethtool.c: mod_timer(&adapter->blink_timer, jiffies);
drivers/net/ixgbe/ixgbe_main.c: mod_timer(&adapter->watchdog_timer, jiffies);
drivers/net/ixgbe/ixgbe_main.c: mod_timer(&adapter->watchdog_timer, jiffies);
drivers/net/ixgbe/ixgbe_main.c: mod_timer(&adapter->watchdog_timer, jiffies);
drivers/net/s2io.c: mod_timer(&sp->id_timer, jiffies);
drivers/net/ixgb/ixgb_main.c: mod_timer(&adapter->watchdog_timer, jiffies);
drivers/net/ixgb/ixgb_main.c: mod_timer(&adapter->watchdog_timer, jiffies);
drivers/net/ixgb/ixgb_main.c: mod_timer(&adapter->watchdog_timer, jiffies);
drivers/net/ixgb/ixgb_ethtool.c: mod_timer(&adapter->blink_timer, jiffies);
drivers/net/pcnet32.c: mod_timer(&lp->blink_timer, jiffies);
drivers/net/e100.c: mod_timer(&nic->watchdog, jiffies);
drivers/net/e100.c: mod_timer(&nic->blink_timer, jiffies);
drivers/net/e100.c: mod_timer(&nic->watchdog, jiffies);
drivers/net/netxen/netxen_nic_main.c: mod_timer(&adapter->watchdog_timer, jiffies);
net/xfrm/xfrm_state.c: mod_timer(&x->timer, jiffies);
... etc etc ..
as you can see, it happens often enough that there has to be *some*
rationale for it, i just don't know what it is.
rday
--
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry:
Have classroom, will lecture.
http://crashcourse.ca Waterloo, Ontario, CANADA
========================================================================
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