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| author |   Joe Korty <joe.korty@ccur.com> | 2008-10-29 14:22:16 -0700 |
|---|---|---|
| committer |   Jeff Garzik <jgarzik@redhat.com> | 2008-11-02 08:30:43 -0500 |
| commit | dccd547e2bf2c01a13c967ae03a705338394fad6 (patch) | |
| tree | d77c9bba24742b4a50bcb27da02e1d128e97af20 /drivers/net/forcedeth.c | |
| parent | ixgbe: add device support for 82598AT (copper 10GbE) adapters (diff) | |
| download | linux-dev-dccd547e2bf2c01a13c967ae03a705338394fad6.tar.xz linux-dev-dccd547e2bf2c01a13c967ae03a705338394fad6.zip | |
forcdeth: increase max_interrupt_work
This eliminates the following often-generated warning from my 64 bit
Opteron SMP test stand:
eth0: too many iterations (6) in nv_nic_irq
According to the web, the problem is that the forcedeth driver has a
too-low value for max_interrupt_work. Grepping the kernel I see that
forcedeth has the second lowest value of all ethernet drivers (ie, 6).
Most are in the 20-40 range. So this patch increases this a bit, from 6
to 15 (at 15 forcedeth becomes the driver with third-lowest
max_interrupt_work value).
My test stand, which used to print out the above warnings repetitively
whenever it was under heavy net load, no longer does so.
Signed-off-by: Joe Korty <joe.korty@ccur.com>
Cc: Ayaz Abdulla <aabdulla@nvidia.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/forcedeth.c')
| -rw-r--r-- | drivers/net/forcedeth.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 74c588efa92e..0b12e48d5f37 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -818,7 +818,7 @@ struct fe_priv { * Maximum number of loops until we assume that a bit in the irq mask * is stuck. Overridable with module param. */ -static int max_interrupt_work = 5; +static int max_interrupt_work = 15; /* * Optimization can be either throuput mode or cpu mode |