From: Jakub Kicinski <k...@kernel.org> Date: Mon, 31 Aug 2020 16:50:54 -0700
> On Mon, 31 Aug 2020 16:35:55 -0700 Shannon Nelson wrote: >> diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h >> b/drivers/net/ethernet/pensando/ionic/ionic_dev.h >> index 9e2ac2b8a082..2b2eb5f2a0e5 100644 >> --- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h >> +++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h >> @@ -16,7 +16,7 @@ >> #define IONIC_DEF_TXRX_DESC 4096 >> #define IONIC_LIFS_MAX 1024 >> #define IONIC_WATCHDOG_SECS 5 >> -#define IONIC_ITR_COAL_USEC_DEFAULT 64 >> +#define IONIC_ITR_COAL_USEC_DEFAULT 8 > > 8 us interrupt coalescing does not hurt general operations?! No way. > > It's your customers who'll get hurt here, so your call, but I seriously > doubt this. Unless the unit is not usec? Agreed, 8usec is really really low. You won't get much coalescing during bulk transfers with a value like that, eliminating the gain from coalescing in the first place.
